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Hash generator

In browser

Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 digests and verify a checksum

Input

Hashed as UTF-8 bytes.

Optional. Any algorithm whose digest matches is highlighted.

This tool runs entirely in your browser. Nothing you type is sent to the server, so it is safe for tokens, keys and passwords — and it keeps working with the network unplugged.

Fill in the form and run the tool. Results appear here.

MD5 and SHA-1 are included because checksums published years ago still use them, not because they are safe — both are broken for anything that needs collision resistance. Use SHA-256 or better for new work. Everything is computed in your browser, so hashing a secret is safe here.