Developer Utility Tools
Free online developer utilities and tools for everyday coding tasks. Privacy-first, lightning-fast, and completely free.
Why Choose Our Tools?
Built for developers, by developers
Lightning Fast
All tools run directly in your browser with zero latency. No server uploads, no waiting times.
100% Private
Your data never leaves your device. No tracking, no analytics, no data collection whatsoever.
Forever Free
No sign-up required. No premium plans. All features available to everyone, always.
Featured Tools
Handpicked utilities to boost your productivity
JSON Formatter
Format, validate, minify, and beautify JSON with error detection
UUID Generator
Generate RFC 4122 compliant UUIDs in multiple versions (v1, v3, v4, v5, v7, NIL) for databases, APIs, and distributed systems
UUID Validator
Validate RFC 4122 compliant UUIDs instantly, check format correctness, determine version, and verify basic structural integrity
Base64 Encoder/Decoder
Encode and decode Base64 strings for data transmission, encoding binary data, and working with APIs that require Base64 format
URL Encoder/Decoder
Encode and decode URLs with percent encoding for safe transmission of special characters in web addresses and query parameters
Regex Tester
Test and debug regular expressions with real-time pattern matching, capture groups, and detailed match highlighting for any text input