Hash Generator - MD5, SHA, CRC, MurmurHash & More
Adler32 Generator
Calculate Adler-32 checksums used in zlib and gzip compression. Fast checksum generation for data integrity. Free online tool - works in browser.
Bcrypt Generator
Generate bcrypt password hashes with customizable cost factor. Verify hashes against passwords. Free, private, works offline.
Crc16 Generator
Calculate CRC16 checksums for MODBUS, USB, X.25 and more. Multiple CRC-16 variants supported. Free online CRC16 generator - works in browser.
Crc32 Generator
Calculate CRC32 checksums from text or files. Fast error-detection for data integrity. Browser-based, supports multiple CRC variants.
Crc64 Generator
Calculate CRC64 checksums used in Redis, PostgreSQL and XZ compression. Multiple CRC-64 variants. Free online CRC64 generator - works in browser.
Crc8 Generator
Calculate CRC8 checksums for Arduino, 1-Wire sensors, Dallas DS18B20. Multiple variants: MAXIM, DVB-S2, CDMA2000, ITU. Free online CRC-8 tool.
Djb2 Generator
Generate djb2 hashes for string hashing. Simple, fast algorithm by Daniel J. Bernstein. Perfect for hash tables. Free online djb2 calculator.
Checksum Verify
Calculate and verify file checksums with MD5, SHA-1, SHA-256, SHA-512. Compare against expected hashes with instant match indicators. Browser-based, private.
Fnv Generator
Generate FNV-1 and FNV-1a hashes (32-bit and 64-bit). Fast non-cryptographic hash for hash tables. Free online FNV hash calculator.
Hmac Generator
Generate HMAC signatures with SHA-256, SHA-384, SHA-512. Create keyed message authentication codes for API security. Browser-based, private.
Lrc Calculator
Calculate LRC checksums for ISO 7811 magnetic stripes, serial protocols, and Modbus ASCII. Free online Longitudinal Redundancy Check tool.
Md2 Generator
Generate MD2 hashes for legacy system compatibility. The oldest MD hash by Ron Rivest (1989). Free online MD2 calculator - works in browser.
Md4 Generator
Generate MD4 hashes from text or files. Legacy hash algorithm used in NTLM authentication. Free online MD4 calculator - works in browser.
Md5 Generator
Create MD5 checksums to verify file downloads and detect corruption. Legacy hash function for non-security uses. Processes files locally in browser.
Murmurhash Generator
Generate MurmurHash2 and MurmurHash3 hashes. Fast non-cryptographic hashing for databases, caches, and hash tables. Free online tool.
Ripemd160 Generator
Generate RIPEMD-160 hashes from text or files. Essential for Bitcoin addresses and PGP fingerprints. Browser-based, private, no server upload.
Sha1 Generator
Generate SHA-1 hashes from text or files in your browser. Create 160-bit checksums for legacy compatibility. Fast, private, no uploads to servers.
Sha256 Generator
Generate SHA-256 hashes from text or files in your browser. Secure 256-bit checksums using Web Crypto API. Fast, private, no server uploads required.
Sha3 Generator
Generate SHA3-256, SHA3-512, SHA3-384, SHA3-224 hashes from text or files. Modern Keccak-based cryptographic checksums. Browser-based, private.
Sha384 Generator
Generate SHA-384 hashes from text or files. 384-bit cryptographic hash for security applications. Browser-based, private, works offline.
Sha512 Generator
Generate SHA-512 hashes from text or files in your browser. Create secure 512-bit checksums using Web Crypto API. Fast, private, works offline.
Tiger Generator
Generate Tiger hashes used in eDonkey, Direct Connect, and TTH. 192-bit cryptographic hash optimized for 64-bit processors. Free online calculator.
Whirlpool Generator
Generate Whirlpool hashes for maximum security. 512-bit cryptographic hash adopted by ISO/IEC. Free online Whirlpool calculator - works in browser.
Xor Checksum
Calculate XOR checksums for serial protocols, embedded systems, and Arduino. The simplest error detection method. Free online XOR calculator.
Xxhash Generator
Calculate xxHash checksums - one of the fastest hash algorithms. Generate xxHash32 and xxHash64 hashes for data integrity. Free online tool.
Cryptographic Hashes
SHA family: SHA-1 (160-bit, deprecated), SHA-256/384/512 (secure, recommended). Used for file integrity, digital signatures, and password storage.
MD5: 128-bit, cryptographically broken but still used for non-security checksums.
Legacy: MD2, MD4, Tiger, Whirlpool for compatibility with older systems.
CRC Checksums
CRC8: MAXIM (Dallas 1-Wire sensors), SMBus, DVB-S2. Perfect for Arduino and embedded.
CRC16: Modbus, XMODEM, USB, IBM. Industrial protocols and file transfers.
CRC32: ZIP files, Ethernet, PNG. The most widely used checksum.
CRC64: ECMA, XZ compression. Large file verification.
Fast Non-Cryptographic Hashes
MurmurHash: Fast hash for hash tables, used in Redis, Kafka, Cassandra.
xxHash: Extremely fast, 64-bit output. Gaming and real-time applications.
FNV: Simple algorithm for hash tables. FNV-1a variant preferred.
djb2: Dan Bernstein's classic string hash. Minimal code, decent distribution.
Simple Checksums
Adler-32: Fast checksum used in zlib compression.
XOR checksum: Single-byte checksum for NMEA GPS and serial protocols.
LRC: Longitudinal Redundancy Check for magnetic stripe cards.