JSON Viewer & Validator
developerPopularFormat, minify, and validate JSON data instantly in your browser with real-time error reporting.
Processed locally in your browser. Data is never uploaded.
Offline Ready•Zero Uploads
Paste valid JSON to view tree
Advertisement
How to Use This Tool
- 1Paste your raw JSON string into the editor.
- 2The tool will instantly validate the JSON and highlight any syntax errors.
- 3Click 'Format' to pretty-print or 'Minify' to compress the JSON string.
- 4Copy the result or save it as a .json file.
Quick Examples
Standard JSON
{"name": "Developer", "skills": ["React", "Next.js"]}Frequently Asked Questions
Yes, all parsing and formatting happens locally on your device. Nothing is sent to our servers.