JSON Formatter & Validator
Format, validate, minify, and beautify JSON data instantly
Input JSON
Paste your JSON data below
How to Use JSON Formatter
What is JSON? JSON (JavaScript Object Notation) is a lightweight data interchange format. Learn more about JSON →
1. Format & Beautify JSON
Paste your JSON data into the input field and click "Format / Beautify" to make it readable with proper indentation.
2. Minify JSON
Remove all unnecessary whitespace and newlines by clicking "Minify" to reduce file size.
3. Validate JSON
Check if your JSON is valid by clicking "Validate". Error messages will show exactly what's wrong.
4. Copy or Download
Use the Copy button to copy the result to your clipboard or Download to save it as a .json file.
Why Use Our JSON Formatter?
- 100% client-side processing - your data never leaves your browser
- Instant formatting and validation with clear error messages
- Support for large JSON files
- Syntax error highlighting with line numbers
- One-click copy and download functionality
- Works offline once loaded