Free Online Developer Tools
Fast, private utilities that run entirely in your browser. No signup, no tracking, no BS.
Popular Tools
Everything runs client-side. Your data never leaves your browser.
JSON Formatter
Format, validate, and beautify JSON with syntax highlighting
DataUUID Generator
Generate random UUIDs (v4) instantly
GeneratorBase64 Encoder/Decoder
Encode and decode Base64 strings
EncodingHash Generator
Generate MD5, SHA-1, SHA-256 hashes
SecurityURL Encoder/Decoder
Encode and decode URLs and query strings
EncodingWord Counter
Count words, characters, sentences, and paragraphs
TextTimestamp Converter
Convert Unix timestamps to human-readable dates
Date/TimeColor Converter
Convert between HEX, RGB, and HSL color formats
DesignLorem Ipsum Generator
Generate placeholder text for designs
TextRegex Tester
Test and debug regular expressions
DeveloperLightning Fast
All tools run locally in your browser. No server round-trips.
Private by Design
Your data never leaves your device. No tracking, no analytics on your input.
100% Free
No signup, no premium tiers, no limits. Just tools that work.