JSON Formatter
Format, validate, and beautify JSON.
✅ 100% Free
🔒 Privacy First
⚡ Instant Results
What is a JSON Formatter?
A JSON formatter indents and validates JSON so it is easier to read.
How to Use This JSON Formatter
- Paste your JSON.
- Click Format to beautify or Minify to compact.
- Copy the result.
How It Works
The tool parses the JSON, reports errors if invalid, and re-serialises it with indentation.
Example Calculation
{"a":1,"b":2} becomes a nicely indented two-line object.
Frequently Asked Questions
Is my JSON uploaded?
No. All processing happens in your browser.
Privacy & Data Processing
All JSON is processed locally in your browser.
Last updated: 2026-09-01