JSON Formatter
Format and beautify minified or messy JSON. Paste your JSON, choose an indent size, and get a readable result instantly — nothing leaves your browser.
Indent
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How to Use JSON Formatter
- 1
Paste your JSON into the input box.
- 2
Choose an indent size and click Format (or Minify).
- 3
Copy the result with one click.
JSON Formatter Features
- Pretty-print with 2, 4 spaces or tabs.
- One-click minify for production use.
- Clear error messages for invalid JSON.
Why use Tool King?
Fast
No waiting rooms or sign-ups. Most files are ready in seconds.
Private
Files are processed in memory and discarded right after — never stored or shared.
Free
Every tool is free to use, with no hidden limits on the essentials.
Frequently Asked Questions
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