PrismKit

JSON & data

Encode & convert

Text & writing

Web & design

Dev & ops

Security

Hashing

Hash Text File Hasher

HMAC Generator CRC Calculator

Bcrypt

Key Derivation (PBKDF2 / HKDF)

Encryption

Text Encryption

RSA Encrypt and Sign Shamir Secret Sharing

String Obfuscator Ansible Vault Encrypt / Decrypt Jasypt Encrypt / Decrypt

Keys & certificates

RSA Key Pair Generator

EC Key Pair Generator CSR Generator Self-Signed Certificate Generator Certificate Decoder

PDF Signature Checker Certificate Format Converter

Passwords & secrets

Token Generator Passphrase Generator

Password Strength Analyser

Htpasswd Generator

Django Secret Key Generator

WPA-PSK Generator

OTP Generator BIP39 Mnemonic Generator

Tokens

JWT Parser

JWT Generator SAML Decoder

Validators

Luhn Validator Credit Card Validator

IBAN Validator ISBN Validator

VAT Number Validator

Classic ciphers

Caesar Cipher

Vigenère Cipher Classic Ciphers XOR Cipher

Payments & IDs

EMV TLV Decoder Bech32 / Bech32m Converter

Generate & media

Calculators & reference

English

Changelog Attributions

PrismKit

Crypto & Security

HMAC Generator

HMAC Generator

Runs in your browserLocal

Markdown

Compute an HMAC signature from a message and secret key using the hash function of your choice.

File Hasher

Compute the MD5, SHA-1, SHA-256, SHA-384 and SHA-512 checksums of a file and verify it against an expected hash.

CRC Calculator

Compute CRC-8, CRC-16, CRC-32, CRC-32C and Adler-32 checksums of text or raw hex bytes.