Developer Tools
JSON, Base64, URL and diff utilities for builders. All of these tools are free and run privately in your browser - use them for quick everyday jobs without installing software or creating an account.
Developer Tools
JSON Formatter & Validator
Format, validate, minify and inspect JSON with readable error messages.
Developer Tools
URL Encoder / Decoder
Encode and decode URL components safely with encodeURIComponent.
Developer Tools
Base64 Encoder / Decoder
Encode text to Base64 and decode Base64 back to UTF-8 text with validation.