Hash Generator Developer
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text.
Hash Generator is a free online tool that generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text. It runs entirely in your web browser using WebCrypto, so files are processed on your own device and never uploaded to a server. There is no sign-up, no file size limit imposed by the site, no watermark and no paid tier.
- Price
- Free — no account, no quota, no watermark
- Category
- Developer
- Where it runs
- In your browser, on your device
- Files uploaded
- None
- Technology
- WebCrypto
- Settings
- None — it just works
- Works offline
- Yes, after the first visit
About Hash Generator
MD5 and SHA-1 are fine for checksums and cache keys but are broken for security — use SHA-256 or better when the result needs to resist tampering.
How to use it
- Paste the text you want to run through hash generator.
- There is nothing to configure — the result updates as you type.
Under the hood
| Runs on | WebCrypto — computes the digest natively |
Questions
Which algorithm should I use?
SHA-256 for anything where the result needs to resist tampering. MD5 and SHA-1 are broken for security — collisions can be constructed deliberately — but remain perfectly fine as checksums, cache keys and change detectors.
Can I use this to hash passwords?
No. Plain hashes are far too fast, which is what makes them easy to brute-force. Passwords need a deliberately slow, salted algorithm: bcrypt, scrypt or Argon2, run on your server.
Why does the same text sometimes give a different hash elsewhere?
Almost always a trailing newline, or a different text encoding. This tool hashes exactly the UTF-8 bytes of what you typed — no newline is added.