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Generate BLAKE2b digests from text or uploaded files with an output length from 1 to 64 bytes.
Runs in your browser — your input is processed on this device and never uploaded.
Secondary information and sharing actions for this public tool.
Generate a BLAKE2b digest for each text value or uploaded file. Choose an output length from 1 to 64 bytes; the default is the standard 64-byte BLAKE2b-512 result. The tool returns raw digest bytes and lowercase hexadecimal text.
BLAKE2b is designed for 64-bit platforms and supports outputs up to 64 bytes. BLAKE2s is designed for smaller or 32-bit platforms and supports outputs up to 32 bytes. The configured output length is part of the BLAKE2 calculation, so use the length required by the system you are matching.
BLAKE2b is a cryptographic hash, not encryption: it cannot be decoded back to the input. Shorter outputs provide less collision and preimage resistance. Plain BLAKE2b is not a password-hashing function; password storage requires a dedicated, salted, configurable password hash.
Drag a file here, or click to upload.
Up to 5 files · 60 MB total
Upload is optional.