Security & Hashing

Generate MD5, SHA-1, SHA-2, SHA-3, CRC32, RIPEMD, Whirlpool and other hashes

Calculate and verify checksums for any file or string of characters.

Generate XXH digests from text, hex bytes, or base64 input.

Generate and compare MurmurHash3 digests from text or bytes.

Generate HMAC signatures online for webhook checks, signed API requests, and cro

Generate bcrypt password hashes for development and QA workflows.

Generate or verify Argon2 hashes with custom settings.

Generate WordPress-compatible password hashes for recovery and testing.

Encrypt text with AES using the mode and key size you need.

Decrypt AES ciphertext with the matching mode and key.

This RSA key generator is designed for practical key-pair creation when you need

Generate BIP39 mnemonic seed phrases for testing and review.

Generate OTP for two-factor authentication, secure logins

Check SSL Certificates and Basic TLS Details Before Users Find the Problem

Generate certificate signing requests online for SSL setup, renewal, and prep.

Decode certificate signing requests online and inspect CSR subject details fast.

This secure cookie tester is built for cookie-attribute inspection rather than

Test Strict-Transport-Security headers for a public URL

A TLS checker is most useful when you need a fast answer to a practical

Check the X-Frame-Options header on a public URL.

Browser-based security.txt generator workflow for quick technical tasks.

Manage special permissions, ACLs. file, directory access

Generate chmod file, directory permissions for Linux and Unix.

Decode JWT header, payload claims, and expiry instantly.