5 free tools
Developer Tools
Developer tools for quick, everyday tasks. Pretty-print and validate JSON, convert flat JSON arrays to a CSV file, encode or decode Base64, and percent-encode URL components. Everything runs client-side, so API keys and data stay on your machine.
- Developer Tools
Base64 Decode
Decode standard padded Base64 back to readable UTF-8 text, including emoji and Indian scripts. Strict checks…
- Developer Tools
Base64 Encode
Encode any text, including emoji and Hindi or Marathi, to standard padded Base64 using UTF-8. Paste…
- Developer Tools
JSON Formatter
Beautify minified JSON with 1 to 8 spaces of indentation. Validates syntax, then copy the result…
- Developer Tools
JSON to CSV Converter
Convert a JSON array of flat objects to CSV with a header row, then copy it…
- Developer Tools
URL Encoder
Free URL encoder that percent-encodes a query value or path segment with UTF-8. Spaces become %20…