Best for
- Developers checking integrity hashes
- Constructing signatures for APIs
Privacy
Hashes are calculated entirely inside your browser using the Crypto APIs. No text is sent across the network.
Quick tips
- MD5 and SHA-1 are generally considered insecure for passwords, but are still used for checksums.
- SHA-256 is the modern standard for cryptographic integrity.
How to use this tool
- Type or paste the text you want to hash.
- Select MD5, SHA-1, SHA-256, or SHA-512 from the dropdown.
- Click copy to grab the resulting hash string.
Common questions
Is my data sent to a server?
No, all hashing is performed locally in your browser.