All 375 tools

Word and character counters, case converters, slug and lorem ipsum generators, line sorting, and whitespace cleanup for writing, editing, and the web.

• Add Line Numbers

  Prefix every line of your text with a number. Set where the count starts, choose a separator, pad with leading zeros, and skip blank lines.

• Alternating Case Generator

  Turn text into aLtErNaTiNg caps, the mocking SpongeBob style.

• Case Converter

  Switch text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and more.

• Email Extractor

  Pull every email address out of any text, then deduplicate, sort, lowercase, and copy the clean list.

• Extract URLs

  Pull every link out of a block of text, one per line, deduplicated and ready to copy.

• Find and Replace

  Find and replace across pasted text live, with match case, whole words, and regex modes.

• Line Sorter

  Sort lines alphabetically or in natural order, shuffle them, remove duplicate lines, trim whitespace, and reverse line order.

• Lorem Ipsum Generator

  Generate placeholder lorem ipsum text in paragraphs, sentences, or words, ready to drop into any mockup or design.

• Random Letter Generator

  Draw random letters in uppercase, lowercase, or both, with optional no-repeat batches.

• Random Name Generator

  Generate believable first and last names, with feminine, masculine, and neutral styles and clean, no-repeat batches.

• Reading Time Calculator

  Estimate how long text takes to read, with word count, character count, and minutes.

• Remove Duplicate Lines

  Paste a list and remove duplicate lines. Match case-insensitively, trim whitespace, keep the first or last copy, and optionally sort the result.

• Remove Empty Lines

  Strip blank and whitespace-only lines from text, or collapse them to a single spacer.

• Remove HTML Tags

  Strip HTML tags from markup and keep only the readable text content.

• Remove Line Breaks

  Paste text and strip out the line breaks. Replace each break with a space or nothing, keep paragraph breaks, and trim extra spaces.

• Whitespace Remover

  Clean up messy text by trimming lines, collapsing extra spaces, removing blank lines, and stripping line breaks.

• Repeat Text Generator

  Repeat any text a set number of times, with a separator between copies and optional numbering.

• Reverse Word Order

  Reverse the order of words in each line or across your whole text. Words stay intact; only their order flips.

• Sentence Case Converter

  Convert text to sentence case, capitalizing the first letter of each sentence.

• Slug Generator

  Turn any title or phrase into a clean, URL-friendly slug for permalinks, paths, and filenames.

• Text Diff Checker

  Compare two texts and see every addition and deletion highlighted, by word, line, or character.

• Text Reverser

  Reverse text by characters, words, or lines. Emoji and accented letters stay intact.

• Title Case Converter

  Convert text to proper Title Case, keeping small words like a, an, the, of, and lowercase unless they start or end the line.

• Word Counter

  Count words, characters, sentences, and paragraphs, plus keyword density and a readability grade.

• Word Frequency Counter

  See how often each word appears in your text, ranked by count with percentages.

• Yes or No Generator

  Press one button and get a random yes or no answer, with an optional maybe.

Compress, resize, crop, rotate, convert, and remove image backgrounds. No upload required, right in your browser.

• Background Remover

  Cut the background out of a photo, then keep it transparent or swap in a solid color or your own photo, all in your browser.

• EXIF Remover

  See the hidden metadata your photos carry, GPS location included, then download clean copies with all of it removed.

• Favicon Generator

  Turn one image into the full favicon set: 16 to 512 px PNGs, a real favicon.ico, a web app manifest, and paste-ready link tags.

• HEIC to JPG Converter

  Convert iPhone HEIC and HEIF photos to JPEG, PNG, or WebP, with adjustable quality.

• Image Color Picker

  Hover over an image to preview any pixel, click to save it, and copy HEX, RGB, and HSL values.

• Image Compressor

  Shrink JPEG, PNG, and WebP images right in your browser. Choose a quality level, get a smaller file.

• Image Cropper

  Crop a photo to any size or a fixed aspect ratio, right in your browser.

• Image Format Converter

  Convert images between JPG, PNG, and WebP, with adjustable quality.

• Image Resizer

  Resize a batch of JPEG, PNG, and WebP images by percent, longest edge, fit-in-box, or exact pixels.

• Rotate & Flip Image

  Rotate JPEG, PNG, and WebP images by 90 degrees or mirror them horizontally and vertically.

• Image to Text

  Pull the text out of a screenshot, scan, or photo. OCR that runs entirely in your browser.

• Image Watermark

  Add a text watermark to JPEG, PNG, and WebP images. Nine positions, diagonal tiling, size, opacity, and automatic contrast color.

• SVG to PNG Converter

  Turn an SVG into a PNG at any pixel size, with transparency preserved.

Merge, split, rotate, delete pages, add page numbers, and convert images to PDF. All in your browser, no upload.

• Images to PDF

  Turn JPG, PNG, and WebP images into one PDF, one image per page, in your chosen order.

• Delete PDF Pages

  Remove the pages you do not need by typing ranges like 2-4, 7.

• Merge PDF

  Combine several PDF files into one, and drag to reorder them before you merge.

• Add Page Numbers to PDF

  Stamp page numbers anywhere, with custom text, size, and colour, and an option to skip the cover.

• Reorder PDF Pages

  Move pages into a new order with visual thumbnails and download the result.

• Rotate PDF

  Turn every page or just the ones you choose by 90, 180, or 270 degrees.

• Split PDF

  Pull out page ranges as separate PDFs, or burst a document into one file per page.

• PDF to JPG

  Render every page of a PDF as a JPEG image, at web, sharp, or print resolution.

• PDF to Text

  Pull the text out of a PDF as plain text you can copy or save as a .txt file.

• PDF Watermark

  Stamp a text watermark on every page of a PDF. Diagonal or banner placement, with opacity, size, and color control.

Convert between CSV, JSON, YAML, colors, units, and number bases instantly in your browser.

• Angle Converter

  Convert an angle between degrees, radians, gradians, turns, arcminutes and arcseconds, with a degrees-minutes-seconds breakdown.

• Area Converter

  Convert area between metric and imperial units instantly.

• Binary to Decimal Converter

  Convert a binary number to its decimal value, with hexadecimal and octal readouts.

• Celsius to Fahrenheit Converter

  Convert Celsius to Fahrenheit instantly, and edit either side to convert back.

• CM to Inches Converter

  Convert centimeters to inches with a live, two-way field.

• Color Converter

  Type or pick a color and get HEX, RGB, HSL, HSV, and CMYK side by side, with a live swatch preview.

• Cooking Measurement Converter

  Convert between cups, tablespoons, teaspoons, milliliters, fluid ounces, and grams for common ingredients.

• CSV to HTML Table

  Paste CSV or TSV and get a clean HTML table with safely escaped cells. The delimiter is detected automatically, with header, border, class, and pretty or minified controls.

• CSV to JSON

  Paste CSV and get a clean JSON array of objects, with header detection and automatic number and boolean typing.

• CSV to Markdown Table

  Paste CSV or TSV and get a clean GitHub-flavored Markdown table. The delimiter is detected automatically, with header and column-alignment controls.

• CSV to SQL Insert

  Paste CSV or TSV and get ready-to-run SQL INSERT statements, with header-based columns, smart value quoting, and an optional CREATE TABLE.

• CSV to TSV Converter

  Convert CSV to tab-separated values, or switch direction to turn TSV back into CSV. Quoted fields, embedded commas, and ragged rows are all handled.

• Data Storage Converter

  Convert between bits, bytes, kilobytes, megabytes, gigabytes, and binary units like KiB, MiB, and GiB.

• Decimal to Binary Converter

  Convert a decimal number to binary, with hexadecimal and octal readouts and a grouped bit view.

• Decimal to Hex Converter

  Convert a decimal number to hexadecimal and hex back to decimal, with binary and octal shown for reference.

• Energy Converter

  Convert energy between joules, calories, watt-hours, BTU, and more.

• Frequency Converter

  Convert between hertz, kHz, MHz, GHz, THz, rpm, and bpm at once.

• Hex to Decimal Converter

  Convert a hexadecimal number to decimal, with binary and octal readouts.

• HTML to Markdown

  Convert HTML into clean Markdown live as you type, with control over heading, bullet, and code styles, right in your browser.

• INI to JSON Converter

  Paste an INI or config file and get clean JSON instantly. Sections nest, comments are stripped, and quoted values stay exact.

• JSON to CSV

  Flatten a JSON array of objects into clean CSV, with nested keys expanded to dotted columns and your choice of delimiter.

• JSON to TOML Converter

  Convert a JSON object into TOML with nested tables, arrays of tables, and your choice of indentation, all in your browser.

• JSON to XML Converter

  Turn a JSON document into pretty-printed, well-formed XML, with control over the root element, array item names, and whether values become elements or attributes.

• JSON to YAML

  Convert JSON to YAML and YAML back to JSON, in both directions, with your choice of indentation.

• Markdown to HTML

  Convert markdown to clean HTML with a live preview and a raw code view, right in your browser.

• Miles to Kilometers Converter

  Convert miles to kilometers instantly, and edit either side.

• Morse Code Translator

  Convert text to and from International Morse code, and play it back at an adjustable speed and pitch.

• NDJSON / JSON Lines to JSON

  Paste newline-delimited JSON and get one clean JSON array, or flatten an array back to one object per line.

• Number Base Converter

  Convert a number between binary, octal, decimal, and hexadecimal, all four shown at once.

• Number to Words Converter

  Write any number in words, so 1234 becomes one thousand two hundred thirty-four, with ordinal and dollars-and-cents forms.

• Power Converter

  Convert watts, kilowatts, horsepower, and BTU per hour in one place.

• Pressure Converter

  Convert between pascals, bar, psi, atmospheres and more. Type once and every unit updates.

• Roman Numeral Converter

  Convert a number to Roman numerals or read a Roman numeral back to a number, both directions live.

• Speed Converter

  Convert any speed between mph, km/h, m/s, knots, ft/s and mach at once.

• Text to Binary

  Convert text to its binary, hex, or decimal byte representation and back, live.

• Text to Hex Converter

  Convert text to hexadecimal and hex back to text, with your choice of separator, live.

• TOML to JSON Converter

  Paste a TOML config and get clean JSON instantly, with duplicate-key detection and errors that point at the line.

• TSV to CSV Converter

  Paste tab-separated text and get clean, correctly quoted CSV, with a choice of comma or semicolon delimiter.

• Unit Converter

  Convert length, weight, temperature, and data sizes between units, live as you type.

• Volume Converter

  Convert between liters, milliliters, gallons, quarts, pints, cups, fluid ounces, and cubic units in one place.

• Words to Number Converter

  Convert a number written in English words into its numeric value.

• XML to JSON

  Paste XML and get JSON instantly, with attributes kept or ignored, indent control, and errors that point at the line.

• YAML to JSON

  Paste YAML and get JSON instantly, indented or minified, with parse errors that point at the line.

Unix timestamps, time zones, durations, date differences, cron expressions, and age, all client-side.

• Age Calculator

  Work out an exact age in years, months, and days from a birthdate, with a countdown to the next birthday.

• Business Days Calculator

  Count the working days between two dates, minus weekends and any holidays you list.

• Countdown Timer

  Count down a set duration or to a specific date and time, with an alarm, a desktop alert, a live tab-title countdown, and a fullscreen presentation view.

• Cron Expression Parser

  Translate a cron expression into plain English and preview its next scheduled run times.

• Date Difference Calculator

  Count the days, weeks, months, and years between any two dates, including or excluding the end date.

• Duration Calculator

  Add or subtract two durations and read the total in seconds, minutes, hours, days, and weeks.

• Pomodoro Timer

  Run focus and break sessions with a big countdown, saved lengths, optional auto-start, and an alert when each block ends.

• Time Zone Converter

  See one moment in time across multiple time zones at once, with offsets and day shifts.

• Unix Timestamp Converter

  Convert Unix epoch timestamps in seconds or milliseconds to a readable date, and back again.

• Week Number

  The current ISO week number, plus the week number for any date you pick.

Percentage, BMI, loan payment, compound interest, tip, and discount calculators that update as you type. Free and instant in your browser.

• 401(k) Calculator

  Project your 401(k) balance at retirement from your contributions, employer match, and expected return, year by year.

• Amortization Schedule Calculator

  Build a full payment-by-payment schedule for any fixed-rate loan, with the payoff date and the interest you save by paying extra.

• APY Calculator

  Turn a nominal rate and compounding frequency into the true annual percentage yield, project a balance, or reverse solve the rate.

• Area Calculator

  Pick a shape, enter its dimensions, and get the area and perimeter at once.

• Auto Loan Calculator

  Estimate the monthly payment, total interest, and total cost of a car loan from the price, down payment, trade-in, sales tax, and rate.

• Average Calculator

  Paste a list of numbers and get the mean, median, mode, range, and standard deviation instantly, updated as you type.

• Blood Alcohol Content Calculator

  Estimate your blood alcohol content from your sex, body weight, how much you drank, and how long ago you started. An estimate, never a measurement.

• BMI Calculator

  Work out body mass index from height and weight, in metric or imperial, with the WHO adult category and a healthy weight range for your height.

• BMR Calculator

  Estimate your basal metabolic rate from sex, age, height, and weight, comparing the Mifflin-St Jeor and Harris-Benedict equations, with an optional daily calorie estimate.

• Body Fat Calculator

  Estimate your body fat percentage from tape measurements using the U.S. Navy method, then see your fat mass and lean mass. Metric or imperial, updated as you type.

• Break-Even Calculator

  Enter your fixed costs, price per unit, and variable cost to see the break-even units, break-even revenue, and contribution margin, updating as you type.

• BTU Calculator

  Estimate the cooling capacity a room needs in BTU per hour from its size, ceiling height, sun exposure, insulation, and use, then read the matching tonnage and a suggested air conditioner size.

• CAGR Calculator

  Work out the compound annual growth rate from a beginning value, an ending value, and the number of years, with total growth shown alongside.

• Calories Burned Calculator

  Estimate the calories you burn from any activity using its MET value, your body weight, and how long you moved.

• Circle Calculator

  Enter any one of radius, diameter, circumference, or area and get the other three at once.

• Coffee to Water Ratio Calculator

  Turn a brew ratio into an exact recipe. Enter a ratio and one amount to get the coffee, water, cups, and tablespoons of grounds.

• Compound Interest Calculator

  Project how a balance grows with compound interest and monthly contributions, year by year.

• Concrete Calculator

  Work out how much concrete a slab, footing, column, or round pour needs, with the volume in cubic yards or cubic meters and how many 40, 60, or 80 lb bags to buy.

• Credit Card Payoff Calculator

  See how long a credit card balance takes to clear, what it costs in interest, and the payment needed to hit a target date.

• Debt Snowball Calculator

  List your debts, add whatever extra you can pay each month, and get your debt-free date, total interest, and the exact order your balances clear.

• Debt-to-Income Ratio Calculator

  See your debt-to-income ratio the way a lender does, with the front-end housing ratio and a rating band, updated as you type.

• Discount Calculator

  Work out the sale price, total savings, and overall percent off for stacked percentage or fixed-amount discounts, or reverse it to find the discount between two prices.

• Distance Between Two Points Calculator

  Enter two points in 2D or 3D and get the straight-line distance, the midpoint, and the change on each axis at once.

• Dog Age Calculator

  Convert your dog's age into human-equivalent years by breed size, and see whether they count as a puppy, adult, or senior.

• Down Payment Calculator

  Enter a home price and a percent or cash amount to see the down payment, loan amount, and loan-to-value ratio.

• Due Date Calculator

  Estimate a pregnancy due date from the last period and cycle length, with the current week, trimester, and milestone dates.

• Electricity Cost Calculator

  Work out what any device costs to run from its wattage, the hours it runs, and your price per kWh.

• Exponent Calculator

  Raise any base to a power and get the result, its expanded form, scientific notation, and roots, updated as you type.

• Factorial Calculator

  Enter a non-negative whole number and get its factorial computed exactly, with the digit count, scientific notation, and trailing zeros, updated as you type.

• Fraction Calculator

  Add, subtract, multiply, or divide two fractions and read the result as a simplified fraction, a decimal, and a mixed number, live as you type.

• Fuel Cost Calculator

  Enter a trip distance, your fuel efficiency in mpg or L/100km, and the price of fuel to get the total cost, the fuel you need, and the cost per mile or kilometre.

• Future Value Calculator

  Project what a present value plus regular contributions grows to, with adjustable compounding and contribution timing.

• Gas Mileage Calculator

  Enter the distance you drove and the fuel you used, or two odometer readings, and get your fuel economy as MPG, L/100km, and km/L, plus the cost per mile or kilometre when you add a fuel price.

• GCD and LCM Calculator

  Enter two or more whole numbers to find their greatest common divisor and least common multiple, with the prime factorization of each, updated as you type.

• Golden Ratio Calculator

  Split any length by the golden ratio. Enter the whole, the longer part, or the shorter part, and get the other two plus the ratio.

• GPA Calculator

  Turn letter grades and credit hours into a weighted grade point average on the 4.0 scale, with total credits and quality points, updating as you type.

• Heart Rate Zone Calculator

  Turn your age or maximum heart rate into five training zones in beats per minute, using percentage of max or the Karvonen heart rate reserve method.

• Hourly to Salary Calculator

  Turn an hourly wage into annual, monthly, biweekly, weekly, and daily pay, updated as you type.

• Home Affordability Calculator

  See how much house you can afford. Enter your income, monthly debts, and down payment to get the maximum home price, loan amount, and monthly payment your budget supports.

• Ideal Weight Calculator

  Estimate ideal body weight from height and sex with four classic formulas, and see the healthy weight range for your height.

• Inflation Calculator

  See how inflation erodes the value of money over time, or what a past amount is worth today.

• Loan Calculator

  Work out the monthly payment, total interest, and full amortization schedule for any fixed-rate loan.

• Loan Payoff Calculator

  See how many months until a balance is paid off, and how much interest and time an extra monthly payment saves.

• Logarithm Calculator

  Enter a number and any base to find log base b of x, with the natural log, log base 10, and log base 2 shown alongside, plus an antilog mode for the inverse.

• Macro Calculator

  Turn a daily calorie target into carb, protein, and fat grams with balanced, low-carb, high-protein, keto, or fully custom splits.

• Markup Calculator

  Turn a cost and markup into a selling price, or a cost and price into the markup, with profit and margin worked out both ways.

• Mortgage Calculator

  Work out your monthly mortgage payment, with property tax and home insurance folded in, plus the total interest and total cost over the life of the loan.

• Mulch Calculator

  Work out how much mulch a garden bed needs from its length and width or a total area and the depth you want, in cubic yards, cubic feet, and bags, with an optional cost.

• Net Worth Calculator

  Add up what you own and what you owe to see your net worth, with a category-by-category percentage breakdown, updated as you type.

• One Rep Max Calculator

  Estimate your one-rep max from a weight and rep count using three standard strength formulas, with a table of training weights for 1 to 10 reps.

• Overtime Pay Calculator

  Add up regular, overtime, and double-time hours into total pay and your effective hourly rate, updated as you type.

• Ovulation Calculator

  Estimate your ovulation date, fertile window, next period, and due date from the first day of your last period, cycle length, and luteal phase.

• Paint Calculator

  Work out how much wall paint a room needs from its size or wall area, the number of coats, and the coverage on your paint can, with doors and windows deducted.

• Paycheck Take-Home Calculator

  Estimate the net pay that lands in your account after federal income tax, Social Security, Medicare, and a flat state rate.

• Percentage Calculator

  Find X% of a number, what percent one number is of another, and the percentage change between two values, live as you type.

• Percentage Change Calculator

  Enter an old value and a new value to see the percent change, whether it is an increase or a decrease, the absolute difference, and the multiplier, live as you type.

• Percentile Calculator

  Paste a list of numbers to get any percentile, the quartiles Q1, Q2, and Q3, and the percentile rank of a single value.

• Permutation and Combination Calculator

  Enter n and r to get the number of permutations and combinations, plus the factorials behind them.

• Probability Calculator

  Enter the chance of two independent events and get the probability that both, either, or neither happen, plus a probability to odds converter.

• Profit Margin Calculator

  Enter your cost and selling price to see gross profit, profit margin, and markup at once, updating as you type.

• Protein Intake Calculator

  Estimate how much protein to eat each day from your body weight and goal, with a recommended range and a per-meal split.

• Pythagorean Theorem Calculator

  Enter any two sides of a right triangle to solve for the third, plus the area, perimeter, and both acute angles.

• Quadratic Formula Calculator

  Enter the coefficients a, b, and c to solve ax² + bx + c = 0, with real or complex roots, the discriminant, the nature of the roots, and the parabola vertex.

• Ratio Calculator

  Reduce a ratio to lowest terms, or solve a proportion for the one value you are missing.

• Recipe Scaler Calculator

  Enter the servings a recipe makes and the servings you want, and every ingredient is recalculated for you. Mixed fractions like 1 1/2 are read correctly and results round to friendly amounts.

• Refinance Calculator

  Compare your current mortgage against a new rate and term to see the new monthly payment, how much you save each month, when the closing costs pay for themselves, and the effect on total interest.

• Retirement Calculator

  Project your savings balance at retirement, split into what you put in and what growth adds.

• ROI Calculator

  Work out return on investment, net gain, and annualized return from what you put in and what it is worth.

• Roof Pitch Calculator

  Convert between roof pitch, angle, slope factor, and grade from a single entry.

• Running Pace Calculator

  Enter any two of distance, time, and pace to solve for the third, in kilometres or miles, with predicted finish times for 5K, 10K, half, and full marathon.

• Salary to Hourly Calculator

  Convert a yearly salary into an hourly rate, and see the matching daily, weekly, biweekly, and monthly pay. Adjust your hours, days, and weeks and every figure updates instantly.

• Sales Tax Calculator

  Add sales tax to a net amount, or remove it from a tax-inclusive total. Enter the amount and rate and the tax and total update as you type.

• Sample Size Calculator

  Enter a confidence level, margin of error, and expected proportion to get the sample size your survey needs, with and without a finite population correction.

• Savings Goal Calculator

  Find how long it takes to reach a savings target, or the monthly amount you need to hit it by a deadline.

• Scientific Calculator

  Type a full expression with trigonometry, logarithms, powers, roots, and factorials, and see the result update live as you go.

• Simple Interest Calculator

  Work out simple interest and the final amount from a principal, an annual rate, and a length of time in years or months.

• Sleep Cycle Calculator

  Find the best times to go to bed or wake up, timed to complete 90-minute sleep cycles so you rise between cycles instead of mid-cycle.

• Slope Calculator

  Enter two points to get the slope, the incline angle, the y-intercept, the line equation, and the distance between them.

• Square Footage Calculator

  Add up the area of rooms and spaces in any shape, mix feet, inches, yards, meters, and centimeters in one list, and get the total in square feet and square meters with an optional material cost.

• Square Root Calculator

  Enter a number to get its square root, cube root, an optional nth root, and its square, plus whether it is a perfect square.

• Standard Deviation Calculator

  Paste a list of numbers to get the standard deviation, variance, mean, count, and sum, with the method shown.

• Student Loan Calculator

  Find the monthly payment, total interest, and payoff date on a student loan, and see how much paying extra each month saves.

• TDEE Calculator

  Estimate your total daily energy expenditure from age, sex, height, weight, and activity level, then read calorie targets for cutting or bulking.

• Tile Calculator

  Work out how many floor or wall tiles you need from the room area, the tile size, the grout gap, and a waste allowance, then see how many boxes that is to buy.

• Tip Calculator

  Work out the tip, the total, and each person's share from any bill, with preset or custom percentages, optional tax, and a round-up.

• Triangle Calculator

  Enter two legs of a right triangle for the hypotenuse, area, perimeter, and angles, or a base and height for the area.

• Unit Price Calculator

  Compare two or more products by their price per unit, see which is the better deal, and find out how much you save. Updated as you type.

• VAT Calculator

  Add VAT to a net price, or remove it from a gross price. Enter the amount and rate and the net, VAT, and gross update as you type.

• Volume Calculator

  Pick a shape, enter its dimensions, and get the volume, surface area, and conversions to liters and gallons at once.

• Water Intake Calculator

  Estimate how much water to drink each day from your body weight, daily exercise, and climate, with the total in liters, US ounces, and 8-oz cups.

• Weighted Average Calculator

  Enter values and their weights to get the weighted mean, with the total weight and the plain average shown for comparison. Updates as you type.

• Z-Score Calculator

  Enter a value, mean, and standard deviation to get its z-score, percentile, cumulative probability, and two-tailed p-value.

Emoji search, character inspection, accent removal, fancy text, escapes, and invisible-character cleanup.

• Arrow Symbols

  Browse and copy arrow symbols in every direction and style, then build a string of them.

• Bold Text Generator

  Turn plain text into bold, bold italic, and bold serif Unicode styles you can copy.

• Bubble Text Generator

  Turn plain text into circled bubble letters, outline and filled, ready to copy.

• Currency Symbols

  Browse and copy world currency symbols by name, from dollar and euro to rupee and won.

• Cursive Text Generator

  Turn plain text into flowing cursive and bold script Unicode you can copy anywhere.

• Emoji Picker & Search

  Search a curated emoji list and click any emoji to copy it.

• Fancy Text Generator

  Turn plain text into bold, italic, script, and other Unicode styles to copy.

• Fullwidth Text Generator

  Turn plain text into wide aesthetic fullwidth characters you can copy and paste.

• Heart Symbols

  Browse and copy every heart symbol and emoji, then build a string of your favorites.

• Invisible Character Remover

  Detect and strip zero-width and other hidden characters from text.

• Italic Text Generator

  Turn plain text into slanted italic and bold italic Unicode you can copy anywhere.

• Mirror Text Generator

  Flip text into its mirror image using reversed Unicode letters, or plainly reverse the character order.

• Accent & Diacritic Remover

  Strip accents and diacritics from text to get clean, plain ASCII letters.

• Small Caps Generator

  Turn plain text into Unicode small capital letters to copy and paste anywhere.

• Star Symbols

  Browse and copy star symbols, sparkles, and asterisks, then build a string of them.

• Strikethrough Text Generator

  Type text and get Unicode strikethrough styles to copy into bios, posts, and chat.

• Subscript Generator

  Turn letters, numbers, and signs into subscript Unicode for formulas like H2O.

• Superscript and Subscript Generator

  Turn text into Unicode superscript and subscript characters for footnotes, math, and chemistry.

• Tiny Text Generator

  Turn plain text into miniature raised or lowered Unicode letters you can copy.

• Underline Text Generator

  Add a continuous underline or double underline to text you can copy anywhere.

• Unicode Escape & Unescape

  Convert text to and from \uXXXX escape sequences and HTML entities.

• Unicode Character Inspector

  See the code point, category, and UTF-8 and UTF-16 bytes of every character.

• Upside Down Text Generator

  Flip your text upside down with Unicode look-alikes you can copy and paste anywhere.

• Zalgo Text Generator

  Turn plain text into cursed, glitchy zalgo by stacking Unicode combining marks.

JSON formatter, Base64, JWT decoder, hash generator, UUID, and URL encoding for everyday dev work.

• API Key Generator

  Generate cryptographically random API keys and tokens in hex, base62, or base64url, with control over length, an optional prefix, and bulk output.

• ASCII Table Reference

  The full ASCII character set with decimal, hex, octal, binary, and HTML codes. Search by code, character, or name.

• Atbash Cipher

  Mirror the alphabet so A swaps with Z, B with Y, and so on. Atbash is its own inverse, so one field both encodes and decodes as you type.

• Base32 Encoder and Decoder

  Encode text to standard Base32 and decode Base32 back to text, following RFC 4648.

• Base58 Encoder and Decoder

  Encode text or hex to Base58 and decode Base58 back to bytes, with the Bitcoin, Ripple, and Flickr alphabets and optional Base58Check.

• Base64 Encode & Decode

  Encode text, files, and images to Base64, decode it back, and get a ready-to-use data URI.

• Basic Auth Header Generator

  Turn a username and password into an HTTP Basic Authorization header, with the raw token and a ready-to-copy curl or fetch snippet.

• Caesar Cipher

  Encode and decode Caesar cipher text with any shift, then brute force all 25 keys to crack it.

• Coin Flip

  Flip a virtual coin and watch the heads, tails, and streak tallies build up.

• Common Port Numbers Reference

  Search well-known TCP and UDP port numbers and copy the one you need.

• CRC32 Checksum Calculator

  Compute the IEEE 802.3 CRC-32 of text or a file, as 8-digit hex and an unsigned decimal integer.

• Credit Card Number Validator

  Check whether a card number passes the Luhn checksum and detect its network. Format checks only; nothing is charged, stored, or sent anywhere.

• Crontab Expression Generator

  Assemble a cron schedule field by field with visual pickers, then read it in plain English and preview the next run times.

• CSS Beautifier & Minifier

  Beautify minified CSS into readable rules, or strip comments and whitespace, with indent control and a size readout.

• CSS Minifier

  Strip comments and whitespace from CSS to shrink it, or beautify a minified stylesheet back into readable rules, with a size saved readout.

• CUID Generator

  Generate collision-resistant CUIDs in bulk, in the standard or a shorter slug form.

• Data URI Generator

  Turn any file, image, or SVG into a ready-to-paste data URI, with CSS and img snippets.

• Dice Roller

  Roll d4 to d100 dice with any count and a modifier, and see each die, the subtotal, and the total.

• .dockerignore Generator

  Build a .dockerignore from stack presets for Node, Python, Go, and more. Merge the patterns, drop duplicates, add your own lines, then copy or download the file.

• .editorconfig Generator

  Build a valid .editorconfig for your project. Set the indent style, size, line endings, charset, and whitespace rules, add per file overrides, then copy or download the file.

• File Hash & Checksum Tool

  Compute a file MD5, SHA-1, SHA-256, and SHA-512 checksum, and verify it against an expected value.

• .gitignore Generator

  Build a clean .gitignore for your project from ready-made templates. Pick the languages, frameworks, build tools, editors, and operating systems you use, merge and dedupe overlapping patterns, add your own rules, then copy or download the file.

• Hash Generator

  Hash text or any file to MD5, SHA-1, SHA-256, and SHA-512, and verify a checksum.

• HMAC Generator

  Compute an HMAC of a message with your secret key using SHA-256, SHA-1, SHA-384, or SHA-512, in hex and Base64.

• .htaccess Redirect Generator

  Turn a list of old and new URLs into Apache redirect rules. Set each row to exact or pattern matching, force HTTPS, canonicalize www, then copy a ready .htaccess block wrapped in <IfModule mod_rewrite.c>.

• HTML Entity Encoder

  Encode text to HTML entities and decode entities back to plain text, both directions.

• HTML Formatter & Beautifier

  Beautify messy or minified HTML with indent, line wrap, and line break control.

• HTML Minifier

  Shrink HTML by removing comments and collapsing whitespace, while leaving preformatted text, inline scripts, and inline styles untouched. See the size saved.

• HTML to JSX Converter

  Paste an HTML snippet and get valid JSX. Class becomes className, for becomes htmlFor, inline styles become style objects, and void tags self-close.

• HTTP Status Codes Reference

  Search every HTTP status code, see what it means, and copy it with a click.

• IP Subnet Calculator

  Enter an IPv4 address in CIDR notation and see the network, broadcast, mask, host range, and host count.

• JSON Diff Checker

  Compare two JSON documents and see every added, removed, and changed value listed by its path.

• JSON Escape and Unescape

  Convert text to and from JSON string literals, with correct quote, backslash, and newline escaping.

• JSON Formatter & Validator

  Pretty-print, minify, or explore JSON as a collapsible tree, with syntax errors shown inline.

• JSON Minifier

  Minify JSON to the smallest single line, with original vs minified byte size and the percentage saved.

• JSON Path Finder

  List every value in a JSON document with its exact access path, then filter to find the one you need.

• JSON Schema Generator

  Paste a JSON sample and get a JSON Schema, with property types, array items, required fields, and string formats inferred for you.

• JSON Key Sorter

  Alphabetise the keys of any JSON document at every level of nesting, then pretty-print the result.

• JSON to Go Struct

  Paste JSON and get typed Go structs, with nested types, slices, json tags, pointers, and omitempty handled for you.

• JSON to TypeScript

  Paste JSON and get typed TypeScript interfaces, with nested objects, arrays, optional fields, and null handled for you.

• JWT Decoder

  Decode a JSON Web Token and optionally verify its signature, right in your browser.

• JWT Generator (Signer)

  Build and sign a JSON Web Token from a header, payload, and secret, right in your browser.

• MAC Address Generator

  Generate random 48-bit MAC addresses in colon, hyphen, Cisco dot, or plain format, with an optional vendor prefix, locally administered and unicast control, and bulk output.

• Markdown Table Generator

  Build a Markdown table in a visual grid. Set rows and columns, type cell values, pick per-column alignment, and copy the generated Markdown.

• MD5 Hash Generator

  Compute the MD5 checksum of text or a file. Copy it as hex or Base64.

• Meta Tag Generator

  Build the search and social meta tags for any web page. Fill in the title, description, canonical URL, Open Graph, and Twitter fields, then copy a ready block of HTML with a live search snippet and social card preview.

• MIME Type Lookup

  Type a file extension to get its MIME type, or paste a MIME type to see which extensions use it.

• Mock Data Generator

  Build a schema and generate fake records as JSON, CSV, SQL inserts, or NDJSON. Add a seed to get the same data every time.

• Nano ID Generator

  Generate short, URL-safe unique IDs with adjustable length, count, and alphabet.

• MongoDB ObjectID Generator

  Generate valid MongoDB ObjectIDs in bulk and decode any ID back to its creation time.

• Passphrase Generator

  Create a memorable, strong passphrase from random common words, with control over word count, separator, capitals, and an optional number.

• Password Generator

  Create strong random passwords or memorable passphrases, with control over length, characters, word count, and bulk output.

• Password Strength Checker

  See how strong a password is, with an entropy estimate in bits, an approximate offline crack time, a 5-level meter, and specific tips to make it harder to guess.

• Punycode Converter

  Encode internationalized domains to xn-- ASCII and decode them back to Unicode.

• Query String Parser

  Paste a URL or query string, edit every parameter in a decoded table, and copy the rebuilt query string and full URL.

• Random Number Generator

  Draw random whole or decimal numbers from any range, with no-repeat batches and sorting.

• Random String Generator

  Generate random strings for IDs, keys, tokens, and test data, with control over length, character sets, and how many you make at once.

• Regex Cheatsheet

  Searchable regex syntax reference with plain meanings, examples, and copyable common patterns.

• Regex Tester

  Test regular expressions live against sample text, with match highlighting, capture groups, find and replace, and all six flags.

• robots.txt Generator

  Build a valid robots.txt with grouped crawler rules, crawl-delay, and a sitemap line.

• ROT13 Encoder

  Apply the classic ROT13 cipher or any ROT-N shift from 1 to 25. Letters rotate, everything else stays put, and you get the encoded and decoded text at once.

• SHA-1 Hash Generator

  Hash any text or file to its SHA-1 digest as you type, then copy it as lowercase hex, uppercase hex, or Base64.

• SHA-256 Hash Generator

  Turn any text into its SHA-256 hash as you type, with SHA-1 and SHA-512 alongside and a one-tap uppercase switch.

• SHA-512 Hash Generator

  Hash any text or file with SHA-512 as you go, switch to SHA-384, and copy the digest as lowercase hex, uppercase hex, or Base64.

• XML Sitemap Generator

  Turn a list of page URLs into a valid sitemap.xml. Add lastmod, changefreq, and priority, then copy or download the file.

• SQL Formatter & Beautifier

  Beautify SQL queries with dialect-aware formatting, keyword casing, and indent control.

• SQL Minifier

  Collapse a SQL query onto a single line and strip comments, while keeping strings, quoted identifiers, and semicolons intact, with a character count saved readout.

• String Escape / Unescape

  Escape or unescape a string using the rules of JavaScript, JSON, Java, Python, SQL, CSV, and shell.

• ULID Generator

  Generate lexicographically sortable ULIDs in bulk, in upper or lowercase.

• URL Encode & Decode

  Percent-encode text for URLs and decode it back, both directions.

• URL Parser

  Paste a URL and see every part broken out, with a decoded table of its query parameters.

• UTM Builder

  Build campaign tracking links with properly encoded UTM parameters.

• UUID Generator

  Generate version 4 and version 7 UUIDs in bulk, with case and format options.

• UUID v5 Generator

  Generate deterministic name-based UUIDs from a namespace and a name. Supports version 5 and version 3, single values or whole batches.

• Vigenere Cipher

  Encode and decode Vigenere cipher text with a keyword, preserving case and punctuation, and watch the running key line up with each letter.

• XML Formatter & Validator

  Pretty-print, minify, and validate XML, with the parse error shown inline.

• XML Minifier

  Remove the whitespace between tags to shrink an XML document, with a size saved readout. Attribute values, CDATA, and preserved content are left untouched.

• YAML Formatter & Validator

  Validate a YAML document and reformat it in a clean, canonical form, with sorted keys, quote and indent control, and errors that point at the exact line.

QR codes, color palettes, CSS gradients, box shadows, contrast checks, and aspect ratios for designers.

• Analogous Color Generator

  Turn any base color into a three swatch analogous palette by rotating its hue.

• Aspect Ratio Calculator

  Solve the missing width or height for any aspect ratio, from 16:9 to a custom shape.

• CSS Box Shadow Generator

  Dial in a CSS box-shadow with live preview and copy the exact code.

• CMYK to RGB Converter

  Convert CMYK ink percentages to RGB and hex with a live swatch, plus a reverse RGB to CMYK view. Copy any format.

• Color Blindness Simulator

  See how an image looks under common types of color vision deficiency.

• Color Mixer

  Blend two hex colors at any ratio and copy the mixed hex and RGB.

• Color Name Finder

  Enter any color and get the nearest CSS named color, with swatches to compare and the next closest names.

• Color Palette Generator

  Build a color palette from a base color or an image, then copy the hex values.

• Color Shades Generator

  Build a tint and shade scale from one base color and copy the numbered steps.

• Color Tints Generator

  Build a tint ramp by mixing any base color toward white in even steps.

• Color Wheel

  An interactive HSL color wheel. Click or drag to pick a color and see its harmonies marked live on the wheel.

• Complementary Color Calculator

  Enter a color and get its exact opposite on the color wheel, with copyable codes.

• Conic Gradient Generator

  Build a CSS conic gradient visually and copy the background code.

• Contrast Checker

  Check the WCAG contrast ratio between two colors and see which AA and AAA levels pass.

• CSS Animation Generator

  Build keyframe animations with a live preview and copy the CSS.

• CSS Border Radius Generator

  Round each corner with sliders and a live preview, then copy the exact CSS. Link all corners together or set elliptical radii.

• CSS Button Generator

  Style a button with live controls and copy the base, hover, and focus CSS.

• CSS Clamp Calculator

  Generate a responsive CSS clamp() for fluid type and spacing that scales smoothly between a min and a max size.

• CSS Clip Path Generator

  Drag points over a live preview to build a clip-path shape and copy the CSS.

• CSS Filter Generator

  Dial in a CSS filter with sliders, watch it on a live sample, and copy the exact code.

• CSS Flexbox Generator

  Build a flex container with toggles and sliders, watch the numbered boxes rearrange live, then copy the CSS. Set direction, alignment, wrapping, and gap.

• CSS Grid Generator

  Set the number of columns and rows and the gap, watch the numbered grid update live, then copy the container CSS.

• CSS Loader Generator

  Design a lightweight CSS loading spinner, ring, dots, or bars, with a live preview, then copy the self-contained animation.

• CSS Pattern Generator

  Build tiling background patterns with pure CSS gradients. Pick stripes, dots, a grid, checkerboard, or diagonal lines, set two colors and the scale, then copy the background code.

• CSS Scrollbar Generator

  Design a custom scrollbar and copy cross-browser CSS.

• CSS Text Shadow Generator

  Dial in a CSS text-shadow with a live preview and copy the exact code.

• CSS Transform Generator

  Compose translate, rotate, scale, skew, and perspective into one CSS transform, previewed live.

• CSS Transition Generator

  Set the property, duration, delay, and timing function, hover a live preview to feel the motion, and copy the transition CSS.

• CSS Triangle Generator

  Build a pure CSS triangle in any direction with a live preview, then copy the exact code.

• Cubic Bezier Generator

  Shape a CSS easing curve by dragging two handles, race it against a second curve in motion, and copy the code.

• Glassmorphism Generator

  Build a frosted glass panel with a live preview and copy the CSS.

• CSS Gradient Generator

  Design linear, radial, and conic CSS gradients with custom color stops, per-stop transparency, and copy the code.

• Gradient Text Generator

  Fill headings and words with a color gradient and copy the CSS.

• HEX to CMYK Converter

  Paste a hex color code and read its cyan, magenta, yellow, and black ink percentages instantly, with a live swatch.

• Hex to HSL Converter

  Turn a hex code into HSL, HSLA, and RGB with a live swatch and one-click copy for every format.

• HEX to OKLCH Converter

  Paste a hex color and get the CSS oklch() value with lightness, chroma, and hue.

• Hex to RGB Converter

  Turn a hex code into RGB, RGBA, and HSL with a live swatch and one-click copy for every format.

• HSL to Hex Converter

  Set hue, saturation, and lightness and get the matching hex, RGB, and HSL values, with a live swatch preview.

• HSL to RGB Converter

  Turn hue, saturation, and lightness into RGB and HEX. Slide or paste, copy the result.

• HSV to RGB Converter

  Set hue, saturation, and value and get the matching RGB, hex, and HSL, with a live swatch preview.

• HWB Color Converter

  Convert HEX, RGB, or HWB colors to the CSS hwb() format with live sliders and a swatch.

• Placeholder Image Generator

  Generate a placeholder image at any size or preset, with custom colors, a label, and PNG, JPEG, WebP, or SVG export.

• Mesh Gradient Generator

  Drag color points around a canvas to build a smooth mesh gradient and copy the CSS.

• Monochromatic Color Generator

  Build a single-hue color ramp from any base color. Even lightness steps, hex codes, and CSS variables.

• Neon Text Generator

  Build a glowing neon text effect and copy the CSS.

• Neumorphism Generator

  Design soft neumorphic surfaces and copy the CSS box-shadow.

• Pastel Color Generator

  Generate soft pastel color palettes with hex codes. Pick a hue range, set the count, and copy any swatch.

• QR Code Generator

  Turn a URL, WiFi login, contact card, email, or map location into a scannable QR code and download it as a PNG or SVG.

• CSS Radial Gradient Generator

  Build a CSS radial gradient with a circle or ellipse shape, a draggable center, and as many color stops as you need, then copy the background code.

• Random Color Generator

  Generate a set of random colors as hex and rgb swatches, then copy any one or the whole set.

• RGB to CMYK Converter

  Turn RGB screen colors into CMYK ink percentages for print, with a live swatch.

• RGB to Hex Converter

  Enter red, green, and blue values with an optional alpha and copy the matching HEX, 8-digit HEX, and HSL, next to a live swatch.

• RGB to HSL Converter

  Enter red, green, and blue values with an optional alpha and copy the matching HSL, HSLA, and HEX, next to a live swatch.

• RGB to HSV Converter

  Turn red, green, and blue channel values into hue, saturation, and value. Move the sliders or paste a color and the HSV result updates live.

• RGB to LAB Converter

  Convert RGB colors to CIELAB L, a and b values, with a CSS lab() string and an optional XYZ readout.

• Split Complementary Color Generator

  Turn any color into a split complementary palette with an adjustable split angle.

• SVG Blob Generator

  Design smooth, organic SVG blob shapes with sliders for complexity, randomness, size, and color, then copy the markup or download the file.

• SVG Pattern Generator

  Build a repeating SVG background from dots, lines, crosses, waves, or triangles, then copy the tile, the full SVG, or a CSS data URI.

• SVG Wave Generator

  Design smooth SVG wave dividers for the top or bottom of a section, then copy the markup or download the file.

• Tetradic Color Generator

  Turn one base color into a four color tetradic scheme. Pick rectangle or square spacing and copy the palette as CSS variables.

• Triadic Color Generator

  Enter a base color and get its two triadic partners, spaced 120 degrees apart on the color wheel.

• Type Scale Generator

  Build a modular type scale from a base size and a ratio, with px and rem values, CSS custom properties, and live heading previews.

Compress, trim, convert, mute, and turn videos into GIFs or audio. Runs in your browser with no upload.

• Convert to MP4

  Turn a MOV, WebM, MKV, or AVI video into a web-friendly MP4 without leaving your browser.

• Extract Audio

  Pull the soundtrack out of an MP4, MOV, or WebM and save it as MP3, WAV, or M4A.

• Mute Video

  Remove the audio track from a video and download a silent copy, right in your browser.

• Screen Recorder

  Record your screen, a window, or a browser tab, play it back, and download it. Nothing leaves the page.

• Compress Video

  Shrink an MP4, MOV, or WebM down to a smaller file without leaving your browser.

• Video Merger

  Join two or more video clips into one MP4, in the order you choose. Mixed formats and orientations line up automatically.

• Rotate Video

  Turn an MP4, MOV, or WebM clip by 90, 180, or 270 degrees, add a mirror flip, and download the fixed video, right in your browser.

• Change Video Speed

  Speed up or slow down an MP4, MOV, or WebM and download the new clip, right in your browser.

• Video to GIF

  Turn an MP4, MOV, or WebM clip into a sharp animated GIF without leaving your browser.

• Trim Video

  Cut a clip from a video by setting a start and end time, right in your browser.

Convert, trim, join, record, and re-time audio. MP3, WAV, M4A, and OGG, processed in your browser with no upload.

• Audio Converter

  Convert MP3, WAV, M4A, OGG, and FLAC files to the format you need, right in your browser.

• Audio Joiner

  Join two or more MP3, WAV, M4A, or OGG files into one continuous track, in the order you choose.

• Change Audio Speed

  Speed up or slow down an MP3, WAV, M4A, or OGG file with the pitch preserved, right in your browser.

• Audio Trimmer

  Cut a section out of an audio file by setting a start and end time, right in your browser.

• BPM Counter

  Tap along to a song to find its tempo in beats per minute. Click or press any key, right in your browser.

• Text to Speech

  Type or paste text and listen to it read aloud with your browser's built-in voices. Pick a voice, set the rate and pitch, and pause anytime.

• Voice Recorder

  Record from your microphone, play the take back, and download it. Nothing leaves the page.