How it works
- Drop files, or switch to Text.
- Choose the algorithms.
- Copy the hashes, or paste a checksum to verify.
Why use it
- MD5 and others.
- Streams big files.
- Verify against a checksum.
- Private.
Questions and answers
Is MD5 secure?
No. Collisions can be created on purpose. Use SHA-256 when security matters.
Why is MD5 still used?
Many older sites and tools publish MD5 checksums.
Related guides
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How long does it take to crack a password?
Password strength is about how many passwords could have been chosen, not how complicated one looks. We worked out how long common kinds of passwords hold out against a modern graphics card, and why the ones people invent fall first.
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MD5 and SHA-256 both turn a file into a short fingerprint, but only one of them can still be trusted when someone might be trying to fool you. We timed seven hash functions and looked at what "broken" really means.