Hash and Checksum

Enter text to get its Adler-32 checksum in hexadecimal, decimal, and binary, plus the A and B parts.

Generate and verify Argon2 password hashes with configurable parameters. Supports Argon2i, Argon2d, and Argon2id variants.

Generate bcrypt password hashes with a configurable cost factor (rounds 4-15) and verify a plain-text password against an existing hash. Includes a hash anatomy breakdown, security meter, cost-vs-speed estimator and variant explainer.

Paste text and choose an output size. Get a BLAKE2b hash at 256, 384, or 512 bits.

Paste text and choose its character encoding to calculate CRC32. Copy the checksum in uppercase or lowercase hex, decimal or 32-bit binary.

Calculate CRC64 checksum of text or files with multiple polynomial variants (ECMA-182, ISO, XZ). Get results in hexadecimal, decimal, and binary formats for data integrity verification.

Hash one string or multiple lines of text with FNV-1a. Choose a 32-, 64-, 128-, 256-, 512- or 1024-bit variant and output in hex, decimal or binary.

Generate MD5 hash from text or files instantly. Supports multiple output formats including hex and Base64. Verify hashes and check file integrity online.

Generate MurmurHash3 hash values for any text. Get 32-bit and 128-bit hashes in decimal, hexadecimal, and binary formats with customizable seed values.

Enter text or a file. Get the RIPEMD-160 hash in more than one format, and compare it with a hash you paste in.

Educational RSA encryption simulator. Input two prime numbers to generate public and private keys, then encrypt and decrypt a message step by step. Visualize key generation, modular arithmetic, and the Extended Euclidean Algorithm.

Generate SHA1 hash online with real-time preview, file upload, and hash comparison. Calculate 160-bit cryptographic fingerprints instantly.

Enter text and choose your input and output formats. Get a 56-character SHA-224 hash and optionally compare it against an existing digest.

Enter text or upload a file and optionally paste an expected hash. Get the 64-character SHA-256 digest and verify if it matches.

Enter text and an optional expected hash. Get the SHA3-256 digest and whether the two hashes match.

Generate SHA3-384 cryptographic hashes instantly. Supports text and file input, uppercase/lowercase output, real-time hash preview, and copy functionality. Part of the SHA-3 Keccak family.

Enter text or a file, plus an optional hash to check. Get the SHA3-512 digest in more than one format.

Generate SHA384 cryptographic hashes from text with multiple output formats, hash comparison, and instant copy. Free online SHA-384 hash calculator for data integrity verification.

Generate SHA-512 hash from any text or string. Features visual hash representation, multiple output formats, and hash comparison.

Enter text or choose a file to generate a 512-bit Whirlpool hash.