JSON Formatter & Validator
Format, validate, and visualize JSON data with advanced features. Support for tree view, error highlighting, and bulk operations.
Drop your JSON file here
or click to browse files
Why Choose Our JSON Formatter?
Advanced features and privacy-first approach make our JSON formatter the best choice for developers and data professionals.
Advanced error detection with precise line and column information for quick debugging.
Visualize JSON structure with expandable/collapsible tree navigation.
Control indentation, key sorting, comment removal, and output format.
All processing happens in your browser - your data never leaves your device.
Instant formatting and validation with real-time feedback as you type.
Download formatted JSON or copy to clipboard with one click.
How We Compare
See how our JSON formatter stacks up against popular alternatives.
Feature | Toolspy | JSONLint | JSON Viewer | Code Beautify |
---|---|---|---|---|
File Size Limit | 50MB | 1MB | 10MB | 5MB |
Tree Visualization | ✅ Interactive tree | ❌ Text only | ✅ Basic tree | ✅ Basic tree |
Error Detection | ✅ Line/column details | ✅ Basic errors | ✅ Basic errors | ✅ Basic errors |
Batch Processing | ✅ Multiple files | ❌ Single file | ❌ Single file | ❌ Single file |
Custom Formatting | ✅ Advanced options | ✅ Basic options | ✅ Limited options | ✅ Basic options |
Privacy Protection | ✅ Client-side only | ⚠️ Server processing | ⚠️ Server processing | ⚠️ Server processing |
Download Options | ✅ Multiple formats | ✅ JSON only | ✅ JSON only | ✅ JSON only |
Comments Support | ✅ Auto-remove option | ❌ Not supported | ❌ Not supported | ❌ Not supported |
Perfect For Every Use Case
From API development to data analysis, our JSON formatter handles all your needs.
Frequently Asked Questions
Everything you need to know about our JSON formatter and validator.
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