Can I reverse an MD5 hash?

Not mathematically. What the “MD5 decrypt” sites actually do is look your hash up in a huge table of hashes of common passwords and short strings. Anything short or predictable will be in that table; anything long and unusual will not. This is exactly why MD5 is the wrong place to store passwords.

What should I use instead for passwords?

bcrypt, scrypt or Argon2. All three are deliberately slow and salted, so an attacker who steals the database cannot test billions of guesses per second and cannot attack every account at once. SHA-256 is faster than MD5, not safer for this purpose — speed is the problem, not the algorithm's age.

Why doesn't my hash match the one on the download page?

Almost always because you are hashing different bytes. This page hashes text exactly as typed; a published checksum is of the file's raw bytes, including line endings. A file saved with Windows CRLF line endings will not match one saved with Unix LF, even though they look identical on screen.

MD5 Generator

Generate an MD5 checksum of any text in the browser. MD5 produces 128 bits written as 32 hexadecimal characters, and it is still everywhere — file manifests, cache keys, ETags, legacy database columns and old integrations that were written before anyone knew better. This page will produce those values for you honestly, and tell you plainly where MD5 should no longer be used.

Your text

Hash each line separately

Useful for building a lookup table from a list.

Uppercase output

Show the input beside each hash

Only applies when hashing line by line.

Result

Nothing is uploaded — this tool runs inside your browser, so your files never leave your device.

Help us improve

Why use this tool

Hashes the whole input, or every line separately for lists
Optional uppercase output and side-by-side input for checking
Matches md5sum and every other correct MD5 implementation
Runs in your browser — the text never leaves your device

How it works

1Paste the text you want an MD5 of.
2Switch on line-by-line hashing if you pasted more than one value.
3Copy the result, or download the list as a text file.

MD5 Generator — frequently asked questions

For detecting accidental corruption — a truncated download, a botched copy — yes, and it is fast. For anything an attacker can influence, no. MD5 has been broken since 2004: two different files can be constructed deliberately to share one hash, which means an MD5 match no longer proves two things are identical when somebody wanted them to collide.

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