Hash & checksums
MD5 Generator
Generate an MD5 hash from text directly in your browser. Useful for checksums, legacy systems, and quick comparisons.
How to use this tool
Type or paste text into the input field.
The MD5 digest is generated locally in your browser.
Use the result only for checksums, legacy compatibility, or non-security comparisons.
MD5 is not safe for passwords
MD5 is cryptographically broken and should not be used for passwords, authentication, signatures, or new security designs.
Attackers can exploit known collision weaknesses, and fast MD5 hashes are easy to brute-force at scale.
Use modern password hashing such as Argon2id, bcrypt, or scrypt for passwords, and SHA-256 or SHA-512 only where a plain digest is appropriate.
Where MD5 still appears
MD5 is still seen in old systems, file checksum workflows, cache keys, and compatibility checks.
It can be useful for quick non-adversarial comparisons when both sides already expect MD5.
For integrity in a hostile setting, use stronger algorithms and authenticated verification.
Examples
Text digest
The exact MD5 output changes if whitespace, capitalization, or encoding changes.
InputLumio
Legacy checksum
Use MD5 only when a legacy system specifically requires it.
FAQ
Can MD5 hashes be decoded?
No. Hashes are one-way digests, but weak or common inputs can often be guessed through dictionaries and brute force.
Is MD5 secure?
No. MD5 is broken for cryptographic security and should not be used for passwords or signatures.
Why do small input changes produce different hashes?
Hash functions are designed so tiny input changes produce very different digest values.
Is the text uploaded?
No. MD5 generation runs locally in your browser.