Developer Tools
7 tools
Handy utilities for developers — format and validate JSON, encode and decode Base64 and more. Everything runs locally in your browser.
JSON Formatter
Beautify, minify and sort JSON with your choice of indentation — instantly, in your browser.
JSON Validator
Check if JSON is valid and find the exact line and column of any syntax error.
Base64 Encoder
Encode text or files to Base64 with full UTF-8 support and an optional URL-safe format.
Base64 Decoder
Decode Base64 back to readable text, or download decoded images, PDFs and other files.
UUID Generator
Generate random version 4 UUIDs (GUIDs) in bulk, with format options.
URL Encoder
Percent-encode text or URLs so they are safe to use in links and query strings.
URL Decoder
Decode percent-encoded URLs and query strings back into readable text.