Free Developer Tools Online

Format, encode, minify and test code with 16 free developer tools — fast, private and free, right in your browser.

{}JSON Formatter and ValidatorFormat and validate JSON in one click.Use Tool → 🗜️HTML MinifierMinify HTML to shrink file size fast.Use Tool → ✂️CSS MinifierMinify CSS and remove extra spaces.Use Tool → ⚡JavaScript MinifierMinify JavaScript for faster loading.Use Tool → 🔐Base64 Encoder and DecoderEncode and decode Base64 text and files.Use Tool → 🔗URL Encoder and DecoderEncode and decode URLs safely.Use Tool → </>HTML Encoder and DecoderEncode and decode HTML entities.Use Tool → .*Regex TesterTest regular expressions with live matches.Use Tool → 🔓JWT DecoderDecode a JWT to see its header and payload.Use Tool → 📊CSV to JSON ConverterConvert a CSV file to JSON instantly.Use Tool → 🔁JSON to CSV ConverterConvert JSON data to a CSV file.Use Tool → 📄XML FormatterFormat and beautify XML documents.Use Tool → 🗄️SQL FormatterFormat SQL queries for easy reading.Use Tool → 🕰️Cron Expression GeneratorBuild cron expressions for scheduled jobs.Use Tool → 🕒Timestamp ConverterConvert Unix timestamps to dates and back.Use Tool → 🕵️User Agent CheckerSee your browser’s user agent string.Use Tool →