JSON Tools
Free online JSON tools: JSON formatter & beautifier, JSON compare & diff, and JSON validator. Format, compare, and validate JSON instantly in your browser.
3 Tools available
JSON Compare
Compare two JSON objects side-by-side and highlight the differences. Supports tree view and raw diff.
Free Tool
JSON Formatter
Beautify or minify JSON instantly. Format messy JSON into readable, indented output.
Free Tool
JSON Validator
Validate JSON syntax instantly. Get clear error messages for invalid JSON.
Free Tool
Frequently Asked Questions
Are these tools free?
Yes. All tools on PayloadTools are completely free to use with no registration required.
Is my data private?
All processing happens entirely in your browser. Your data never leaves your machine and is never sent to any server.
Do I need to install anything?
No. All tools run directly in your web browser. No installation, plugin, or extension is required.