Developer Tools
Everyday utilities for developers, entirely in your browser.
Available Utilities
UUID Generator
Generate random UUID v4 identifiers instantly. Runs entirely in your browser — nothing is sent to any server.
UUID Validator
Validate any UUID and inspect its version and variant instantly. Runs entirely in your browser — nothing is sent to any server.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text, Unicode-safe. Runs entirely in your browser — nothing is sent to any server.
URL Encoder / Decoder
Percent-encode or decode text for safe use in URLs and query strings. Runs entirely in your browser — nothing is sent to any server.
Timestamp Converter
Convert between Unix timestamps and human-readable dates, in your local timezone and UTC. Runs entirely in your browser — nothing is sent to any server.