Security Tools

Generate secure hashes, passwords, and tokens for your apps.

Generate a secure one-way SHA-256 cryptographic hash.

Generate a legacy SHA-1 hash of any string for checksums.

Instantly generate an MD5 checksum of any text string.

Generate secure HMAC signatures using SHA-256 and a secret key.

Generate cryptographically secure, random passwords locally.

Analyze your password's complexity and entropy securely.

Generate cryptographically secure Version 4 UUIDs instantly.

Decode JSON Web Tokens to inspect their claims securely.

Create and sign custom JSON Web Tokens (JWT) using HS256.

Hash passwords using the standard Bcrypt algorithm securely.

Generate thousands of Universally Unique Identifiers (UUIDs) instantly in your browser.

Compute high-entropy 512-bit secure SHA hashes of text strings.

Compute strong, 384-bit secure SHA cryptographic signatures of text strings.

Encrypt and decrypt text parameters using robust AES-256 standard entirely in browser memory.

Interactive visual slider to shift alphabets and encrypt message parameters.

Generate Universally Unique Lexicographically Sortable Identifiers offline.