About JSON Formatter
How to Use
- Paste your JSON data into the input area or click 'Load Demo' to try with sample data.
- The JSON will be automatically formatted and validated in real-time.
- Use the tree view to explore nested structures - click to expand or collapse nodes.
- Click 'Compress' to minify JSON for production use, or switch back to formatted view.
- Use the 'Copy' button to copy the result, or access your recent JSON from 'History'.
Frequently Asked Questions
How does this JSON Formatter validate my JSON?
Our JSON Formatter includes a built-in JSON validator that checks your data in real-time. If there are syntax errors like missing brackets, incorrect quotes, or trailing commas, the tool will immediately highlight them with a clear error message, helping you quickly identify and fix issues.
Can I use this tool as a JSON viewer for large files?
Yes! The tool features an interactive tree view that's perfect for exploring large JSON structures. You can expand and collapse individual nodes, view data types and array sizes, and navigate complex nested data easily. The syntax highlighting makes it much easier to read than a plain text editor.
What is the difference between formatting and compressing JSON?
Formatting (beautifying) adds proper indentation and line breaks to make JSON human-readable - great for debugging and development. Compressing (minifying) removes all unnecessary whitespace to create the smallest possible file size - ideal for API payloads and production use where bandwidth matters.
Is my JSON data safe? Do you store it on your servers?
Your data is completely safe. Our JSON Formatter processes everything 100% client-side in your browser. No data is ever sent to our servers. Your history is stored only in your browser's local storage and can be cleared at any time.
How does the history feature work?
The history feature automatically saves your recent JSON inputs locally in your browser. You can access up to 50 recent entries, search through them, and reload any previous JSON with one click. This is perfect for comparing different versions or quickly accessing frequently used data.