Developer Tools

Generate fake credit card numbers for testing

Create short, shareable links from long URLs

Encode and decode text using Base64 encoding

Minify and optimize CSS code to reduce file size

Quickly find your public IP address

Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512)

Compare JSON data and see the differences

Format and validate JSON data

Decode and verify JSON Web Tokens (JWT)

Generate secure, random passwords with customizable options

Test and debug regular expressions

Encode and decode URLs with special characters and query parameters