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MD5 Hash Generator

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

Source

Hashed live as you type. Nothing leaves your browser.

Output format

Case

Line endings

Folds carriage returns to line feeds so hashes match across Windows and Unix.

MD5 hash

Enter some text and its MD5 hash will appear here.

How to generate an MD5 hash online

  1. Add your input

    Type or paste text into the box, or switch to the file source and drop in a file.

  2. Pick an output format

    Choose lowercase hex, uppercase hex, or Base64, and turn on line-ending normalization if you need cross-platform matching.

  3. Copy the digest

    The MD5 hash appears instantly, so click copy to put it on your clipboard.

Why use this tool

Text or file input

Hash a string you type or paste, or drop in a file to checksum its raw bytes. Both share one output.

Hex and Base64 output

Get the digest as lowercase hex, uppercase hex, or Base64 and copy whichever format your tooling expects.

Handles large files

Files are read in small pieces with a live progress bar, so big archives hash without freezing the tab or spiking memory.

Line-ending normalization

Optionally fold carriage returns to line feeds so text hashes match across Windows and Unix systems.

Runs entirely in your browser

Everything happens on your device. Your text and files are never uploaded.

About this tool

This MD5 hash generator turns any text or file into its 128-bit MD5 digest, the short fingerprint used to verify that a download arrived intact or that two files are byte-for-byte identical. Type or paste into the text box and the hash updates as you go, or drop a file to checksum its raw bytes. The empty input hashes to the well-known value d41d8cd98f00b204e9800998ecf8427e, so you can confirm the tool is computing correctly at a glance.

Switch the output between lowercase hex, uppercase hex, and Base64 to match whatever a script, a config file, or a docs page expects, then copy any representation with one click. Large files are read in small pieces with a live progress bar, so hashing a multi-gigabyte archive will not freeze the tab or exhaust memory. If you need matching hashes across Windows and Unix machines, turn on line-ending normalization so a stray carriage return does not change the result. For other digests, see the hash generator or the dedicated SHA-256 hash generator.

MD5 is fast and ideal for integrity checks and deduplication, but it is not collision-resistant and should never be used to store passwords or protect against a determined attacker. For those jobs, reach for a SHA-2 digest instead. Everything here runs on your device, so your text and files are never uploaded and even sensitive documents stay private.

Frequently asked questions

What is an MD5 hash?
MD5 is a function that turns any input into a fixed 128-bit fingerprint, usually written as 32 hexadecimal characters. The same input always produces the same hash, which makes it useful for verifying that a file downloaded or copied without corruption.
Can I hash a file, not just text?
Yes. Switch the source to File and drop in or browse for any file. Its raw bytes are hashed, so the result matches command-line tools like md5sum and the checksums published next to downloads.
Why does empty input show a hash?
The MD5 of an empty input is always d41d8cd98f00b204e9800998ecf8427e. Showing it confirms the tool is working, and it is the same value returned for an empty file.
Is MD5 safe for passwords?
No. MD5 is fast and has known collision weaknesses, so it should not be used to store passwords or for security-critical signatures. Use it for integrity checks and deduplication, and choose a SHA-2 digest when you need security.
Is my data uploaded anywhere?
No. Everything runs in your browser and nothing is sent to a server. Your text and files never leave your device, even very large ones.

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