For the complete documentation index, see llms.txt.
15 endpoints

Hash & Checksum API

SHA, MD5, HMAC, and digest utilities with stable JSON output. Same bearer token, same credit pool, same JSON envelope as every other endpoint — drop them into apps, sites, workflows, or agents without rebuilding formulas, validation, or docs.

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Checksum
Adler-32 Checksum Calculatoradler32-checksum-calculator
Calculate the Adler-32 checksum of UTF-8 text with A and B component breakdown.
1cr · v2026-04-22
CRC32 Checksum Calculatorcrc32-checksum-calculator
Calculate the IEEE CRC32 checksum of text in hex, decimal, and binary form.
1cr · v2026-04-22
CRC64 Checksum Calculatorcrc64-checksum-calculator
Calculate the CRC64 checksum of text using ECMA-182, WE, or Jones polynomial variants.
1cr · v2026-04-22
FNV-1a Hash Generatorfnv1a-hash-generator
Generate a fast non-cryptographic FNV-1a hash in 32, 64, 128, or 256-bit variants.
1cr · v2026-04-22
MurmurHash3 Generatormurmurhash3-generator
32-bit MurmurHash3 (x86) of the input text, in decimal, hex, and binary, with a configurable seed.
1cr · v2026-04-22
Digest
BLAKE2b Hash Generatorblake2b-hash-generator
Generate a BLAKE2b digest with 256, 384, or 512-bit output.
1cr · v2026-04-22
MD5 Hash Generatormd5-hash-generator
Generate an MD5 hex digest for checksum and legacy compatibility.
1cr · v2026-04-22
SHA1 Hash Generatorsha1-hash-generator
Generate the SHA-1 hash (160-bit) of text.
1cr · v2026-04-22
SHA-224 Hash Generatorsha224-hash-generator
Generate the SHA-224 hash (224-bit) of text.
1cr · v2026-04-22
SHA-256 Hash Generatorsha256-hash-generator
Generate a SHA-256 hex digest of a UTF-8 string.
1cr · v2026-04-22
SHA3-256 Hash Generatorsha3-256-hash-generator
Generate the SHA3-256 hash (256-bit Keccak) of text.
1cr · v2026-04-22
SHA3-384 Hash Generatorsha3-384-hash-generator
Generate the SHA3-384 hash (384-bit Keccak) of text.
1cr · v2026-04-22
SHA3-512 Hash Generatorsha3-512-hash-generator
Generate a SHA3-512 hex digest of a UTF-8 string.
1cr · v2026-04-22
SHA-384 Hash Generatorsha384-hash-generator
Generate a SHA-384 hex digest of a UTF-8 string.
1cr · v2026-04-22
SHA-512 Hash Generatorsha512-hash-generator
Generate a SHA-512 hex digest of a UTF-8 string.
1cr · v2026-04-22