Tool Details
JSON Formatter / Beautifier
LiveDeveloper UtilitiesJSON Formatter / Beautifier is a free, privacy-first browser tool for developers who work with APIs, config files, and data pipelines. Paste raw or minified JSON to instantly format it with configurable indentation (2 spaces, 4 spaces, or tabs), minify it for production, or validate it with clear error messages. Built for speed — no server calls, no data storage, no sign-up required.
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# JSON Formatter / Beautifier
Fast writing and instant preview for production-ready content.Key Features
FAQs
What does JSON Formatter / Beautifier do?
It takes raw, minified, or messy JSON and formats it with proper indentation so it is easy to read. You can also minify JSON for production or validate it to find syntax errors instantly.
Is my JSON data safe when using this tool?
Yes. Everything runs 100% in your browser. No JSON data is ever sent to a server, stored, or logged. Your data stays on your device.
What indentation options are available?
You can choose between 2 spaces, 4 spaces, or tab indentation. The tool remembers your preference for future visits.
Can I use this tool on mobile?
Yes. The JSON Formatter is fully responsive and works on phones, tablets, and desktops with an optimized layout for each screen size.
Does it support large JSON files?
The tool handles large JSON payloads efficiently since all processing happens client-side in your browser. Performance depends on your device but works well for typical API responses and config files.
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