Free Online Developer Tools
Fast, secure, and privacy-friendly. All tools run entirely in your browser.
JSON Formatter
Format, validate and minify JSON data with syntax highlighting
Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to plain text
URL Encode / Decode
Encode or decode URLs and query string parameters
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa
QR Code Generator
Generate QR codes from any text or URL instantly
Markdown Preview
Write Markdown and see the rendered HTML in real-time
Color Converter
Convert between HEX, RGB and HSL color formats
Word Counter
Count characters, words, sentences and paragraphs in text
UUID Generator
Generate random UUIDs (v4) for your applications
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes