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Hash, encode, and check data in your browser

Checksums, encodings, text tweaks, and a few validators. Open a tool, paste your input, take the result.

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Categories

Browse by the type of work.

Validator

Validate emails, JSON, URLs, and more.

Faker

Generate mock data for testing.

Utility

General productivity helpers.

Encryption

Hashing, signing, and encryption helpers.

Text

Process or create text content.

Encoding

Encode/decode data streams.

Compression

Compress and decompress files and byte streams.

Popular tools

The ones people open a lot.

HMAC Verifier· encryption

Verify an HMAC authentication code without exposing the secret key to the server.

HMAC Generator· encryption

Generate an HMAC authentication code for text or a file using a hexadecimal secret key.

Top tags

Jump into related tools.

hash (17)cryptographic-hash (13)encoding (10)compress (7)decompress (7)encode (5)binary-to-text (4)checksum (4)sha2 (4)text-transform (4)base-encoding (3)blake (3)error-detection (3)formatter (3)legacy-hash (3)sha3 (3)argon2 (2)authentication (2)

Recently updated

Tools we changed lately.

HMAC Verifier· encryption

Verify an HMAC authentication code without exposing the secret key to the server.

HMAC Generator· encryption

Generate an HMAC authentication code for text or a file using a hexadecimal secret key.

BLAKE3 Hash Generator· encryption

Generate BLAKE3 hashes from text or uploaded files, 256-bit by default and any length up to 1,048,576 bytes, with optional keyed hashing.

BLAKE3 Hash Generator· encryption

Generate BLAKE3 hashes from text or uploaded files, 256-bit by default and any length up to 1,048,576 bytes, with optional keyed hashing.

Encryption

BLAKE2b Hash Generator· encryption

Generate BLAKE2b digests at 128, 256, 384 or 512 bits, or any length from 1 to 64 bytes, from text or uploaded files. It runs inside your browser.

BLAKE2s Hash Generator· encryption

Generate BLAKE2s digests at 128, 160 or 256 bits, or any length from 1 to 32 bytes, from text or uploaded files. It runs inside your browser.

Adler-32 Checksum Generator· encryption

Generate Adler-32 checksums from text or uploaded files. Adler-32 is built for speed rather than security, and it runs inside your own browser.

FNV-1 and FNV-1a Hash Generator· encryption

Generate FNV-1 or FNV-1a 32-bit and 64-bit non-cryptographic hashes from text or uploaded files. It all runs inside your browser, on your device.

CRC-32 Checksum Generator· encryption

Generate CRC-32 checksums from text or uploaded files using ISO-HDLC, CRC-32C, BZIP2, MPEG-2, cksum and six more named variants, in your browser.

CRC-64 Checksum Generator· encryption

Generate CRC-64 checksums from text or uploaded files using the XZ, ECMA-182, Go-ISO, MS, NVMe, Redis or WE variant. It all runs in your browser.

Encryption

BLAKE2b Hash Generator· encryption

Generate BLAKE2b digests at 128, 256, 384 or 512 bits, or any length from 1 to 64 bytes, from text or uploaded files. It runs inside your browser.

BLAKE2s Hash Generator· encryption

Generate BLAKE2s digests at 128, 160 or 256 bits, or any length from 1 to 32 bytes, from text or uploaded files. It runs inside your browser.

Adler-32 Checksum Generator· encryption

Generate Adler-32 checksums from text or uploaded files. Adler-32 is built for speed rather than security, and it runs inside your own browser.