Online JSON Formatter & Validator Tool
All-in-One Utility Hub
📋 Free JSON Formatter & Validator | Beautify and Minify JSON Online
Beautify, Validate & Minify JSON Instantly — Free Online Developer Tool
Indent:
Beautified JSONValid
Minified JSON
Validation ResultValid
📖 How to Use the JSON Formatter — Complete Guide
Beautify, Minify & Validate JSON Instantly — Free Online JSON Tool by All-in-One Utility Hub. This comprehensive tool helps you format messy JSON into readable code, compress JSON for production, and check for syntax errors.
✨ Beautify
- Click the "Beautify" tab.
- Paste your compressed JSON.
- Choose indentation: 2 spaces, 4 spaces, or tab.
- The formatted JSON appears instantly.
🗜️ Minify
- Click the "Minify" tab.
- Paste your formatted JSON.
- The compressed JSON appears — all whitespace removed.
✅ Validate
- Click the "Validate" tab.
- Paste any JSON code.
- The tool checks syntax and shows Valid ✅ or Invalid ❌ with error details.
Beautify
Format JSON with proper indentation.
Minify
Remove all unnecessary whitespace.
Validate
Check for syntax errors.
Download with Custom Name
Prompt asks for file name before saving.
💡 Tip: Use 2-space indentation for a compact view, or tabs for maximum readability.
❓ FAQ
How do I format JSON?+
Paste JSON in the Beautify tab and select your indentation preference.
How do I minify JSON?+
Use the Minify tab to compress JSON into a single line.
How do I check if JSON is valid?+
Use the Validate tab; it will show errors if the JSON is malformed.
Can I download with a custom name?+
Yes! Click Download and enter your desired file name when prompted.
Is this tool free?+
100% free, part of All-in-One Utility Hub.