Developer Tools
2 free tools · Fast, private tools for developers. Your data never leaves the browser.
JSON Formatter
Format, validate and minify JSON instantly. Errors point to the exact line and column.
Base64 Encode / Decode
Encode text or files to Base64, or decode Base64 back to readable text. UTF-8 and URL-safe supported.
Safe for sensitive data
Format and validate JSON or encode and decode Base64 without sending your data to a server. Because everything runs locally in your browser, it's safe to use with API responses, tokens and configuration files.
Frequently asked questions
Is the JSON formatter safe for API keys?
Yes. Parsing and formatting happen entirely in your browser; nothing is uploaded or logged.