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Hash Generator

SHA-2 and SHA-3, Keccak, BLAKE and legacy checksums of text or files — hashed in your browser, nothing uploaded.
CryptographicSHA-256SHA-384SHA-512SHA3-256SHA3-512Keccak-256BLAKE2b-512BLAKE2s-256BLAKE3Checksum / legacy — not for passwordsMD5SHA-1CRC32ClearText to hash

Pick a file to hash it with every selected algorithm — SHA-2 runs on Web Crypto, MD5/SHA-3/Keccak/BLAKE/CRC32 on hash-wasm, in a worker when your browser allows it.
Expected digest

Paste a digest to verify against — matching rows are marked.

Paste text above (or hash a file) to compute digests.
Nothing in yet

Paste, drop, or type to begin. Everything stays on this device.

Next door in Crypto

- Base64 (/encoding/base64)
- Password generator (/generate/password-generator)
All crypto tools (/crypto)

Canonical HTML: https://nutter.tools/crypto/hash
Markdown version: https://nutter.tools/crypto/hash/index.md
Plain-text version: https://nutter.tools/crypto/hash/index.txt
Agent index: https://nutter.tools/llms.txt