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Generate SHA3-224, SHA3-256, SHA3-384, or SHA3-512 digests from text or uploaded files.
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 FIPS 202 SHA-3 digest for each text value or uploaded file. Choose SHA3-224, SHA3-256, SHA3-384, or SHA3-512. The number is the fixed output size in bits, and the result includes raw digest bytes and lowercase hexadecimal text.
SHA-3 is based on the Keccak design but uses standardized domain-separation padding. SHA3-256 and Keccak-256 therefore produce different digests for the same input. Use the Keccak Hash tool only when a protocol specifically requires original Keccak.
SHA-3 is a one-way cryptographic hash, not encryption. Plain SHA-3 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.