Json Validator
Json Validator made simple and private in your browser
JSON Formatter Premium
Format, validate, and beautify your JSON with customizable indentation. Minify option for compact output.
Validate
Spaces/Tabs
Minify
Copy & Download
⚡ Real-time formatting. Invalid JSON will show error below.
⚡ JSON is validated in real-time. Use "Format" for pretty print, "Minify" for compact. All processing in your browser.
📖 How to Use Json Formatter
Follow these simple steps to get the best results.
1
Paste your JSON
Copy raw or minified JSON and paste it into the editor.
2
Format
Click Format to pretty-print with proper indentation and syntax highlighting.
3
Copy or download
Copy the formatted JSON or download it as a .json file.
❓ Frequently Asked Questions
Everything you need to know about Json Formatter.
Yes — completely free, forever. No sign-up required.
No. All processing happens locally in your browser. We never see or store your files.
No account or registration needed. Just open the tool and use it.
Yes — fully responsive and touch-friendly on phones and tablets.
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🔒 Privacy & Trust
We're real people who care deeply about creating tools that truly help. Every feature, every improvement comes from listening to users like you. Your happiness is our success.
This tool was created with one simple goal: to make your day a little easier. We know how frustrating 💻 can be, so we designed this to handle it smoothly while you focus on what matters most. Note: All processing happens in your browser. We never store or see your data.