PrismKitCrypto & SecurityCRC CalculatorCRC CalculatorRuns in your browserLocalCopy linkMarkdownCompute CRC-8, CRC-16, CRC-32, CRC-32C and Adler-32 checksums of text or raw hex bytes.HMAC GeneratorCompute an HMAC signature from a message and secret key using the hash function of your choice.BcryptHash a string with bcrypt at a work factor you choose, or test a string against an existing bcrypt hash.