Free Data & developer tools
CSV and JSON conversion, JSON formatting, Base64, QR codes and passwords.
CSV ⇄ JSON ConverterConvert CSV to JSON and JSON to CSV online. Upload a file or paste data, detect delimiters automatically and download the result.JSON FormatterFormat, validate, minify and sort JSON online. Shows the exact position of syntax errors. Free JSON beautifier that runs in your browser.Base64 Encoder / DecoderEncode text or files to Base64 and decode Base64 back to text or a downloadable file. Full UTF-8 support. Free and private.QR Code GeneratorCreate free QR codes for websites, Wi-Fi networks, text, email and phone numbers. Custom colours and size, download as PNG or SVG. No expiry.Password GeneratorGenerate strong, random passwords with your choice of length, numbers and symbols. Uses your browser's cryptographic random generator. Nothing is stored.