Developer Tools

Free online tools for developers. Generate keys, UUIDs, passwords, encode/decode data, and more.

All Tools

Key Generator

Generate secure random keys

UUID Generator

UUID v4 and v7

Password Generator

Strong passwords with strength meter

Base64

Encode and decode Base64

Hash Generator

MD5, SHA-256, SHA-512

URL Encoder

Encode and decode URLs

JSON Formatter

Format and validate JSON

JWT Decoder

Decode and inspect JWT tokens

Timestamp

Unix timestamp converter