Frequently Asked Questions
How do I use JSON Formatter?▾
Prettify, validate and minify JSON. Paste your input, and the output is generated instantly in your browser.
Is JSON Formatter free?▾
Yes, JSON Formatter is 100% free with no rate limits or API keys required.
Is JSON Formatter secure?▾
All processing happens locally in your browser — your data is never sent to any server.
Can I use JSON Formatter in production?▾
JSON Formatter is great for development, debugging and quick conversions. For production pipelines, integrate the same logic server-side.
Does JSON Formatter work offline?▾
Yes — JSON Formatter is a fully client-side tool that works without an internet connection once loaded.