Beautify, validate, and format your JSON data with our free online tool. Get syntax highlighting, error detection, and a clean, readable structure instantly.
Transform messy JSON into a well-structured, readable format with proper indentation and line breaks.
Easily upload JSON files from your device and download formatted results with one click.
Detect syntax errors and validate your JSON structure with detailed error messages for quick debugging.
Reduce JSON file size by removing all unnecessary whitespace for optimal performance in production.
Color-coded JSON elements make your data easier to read and understand at a glance.
All processing happens in your browser - your data never leaves your device.
Our tool makes JSON formatting simple and efficient. Follow these steps to get perfectly formatted JSON in seconds.
Copy-paste your JSON or upload a .json file
Click "Format JSON" to beautify your code
View the formatted JSON with syntax highlighting
Download or copy the result to clipboard
Find answers to common questions about our JSON Formatter tool.
JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write, and easy for machines to parse and generate.
Yes, our JSON Formatter is completely free to use with no limitations. You can format as much JSON as you need without any cost.
No, all processing happens in your browser. Your JSON data never leaves your computer, ensuring complete privacy and security.
You can upload any .json file. The tool will read the contents and display them for formatting. There's no file size limit.
Yes, simply click the "Download" button to save the formatted JSON as a .json file to your device.
Get perfectly formatted JSON in milliseconds with our optimized browser-based processing.
Your data never leaves your browser - no server processing means maximum security.
Upload JSON files directly from your device and download formatted results with one click.
Format JSON on any device - our responsive design works perfectly on smartphones, tablets and desktops.