Data ToolFree
JSON Formatter & Validator
Professional JSON tool to format, validate, minify, escape, and fix your JSON data. All processing happens in your browser - your data never leaves your device.
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Formatted output will appear here...Features
Format
Beautify JSON with custom indentation
Minify
Compress by removing whitespace
Validate
Check syntax with error location
Auto-Fix
Fix common JSON errors
Escape
Escape for string embedding
Unescape
Convert escaped strings back
Upload
Load JSON from files
Download
Save formatted output
How to use the JSON Formatter?
- 1Paste your JSON code into the input area or upload a `.json` file.
- 2The tool will automatically validate your code and show results.
- 3Use the **Format** button to beautify or **Minify** to compress.
- 4Download the result or copy it to your clipboard.
Frequently Asked Questions
Is my data safe?
Yes. This is a client-side tool. Your JSON data never leaves your browser and is not sent to any server.
Does it support large files?
It can handle JSON files up to several megabytes depending on your browser's memory.
100% Private & Secure
All processing happens in your browser. Your JSON data is never sent to any server.