Input JSON (Paste or Drop File)
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Formatted Output
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Tip: Click any key to copy its JSONPath
How to Use the Online JSON Formatter
- Input Data: Paste raw JSON directly into the editor, click Upload JSON, fetch from a remote API via Fetch URL, or drop a
.jsonor.txtfile onto the workspace. - Choose Actions:
- Click Beautify (or press
Ctrl+Enter) to indent and structure your JSON based on your preferred indentation. - Click Sort Keys (A-Z) to alphabetize all object keys for easy side-by-side comparison.
- Click Minify to strip all whitespace and carriage returns for production API payloads.
- Click Auto-Fix (or press
Ctrl+Shift+F) to repair common issues like single quotes, trailing commas, or unquoted keys. - Click To CSV to convert nested JSON arrays into a downloadable, flattened Excel-ready CSV format.
- Toggle to Tree mode to explore nested structures with expandable/collapsible nodes and JSONPath copy.
- Click Beautify (or press
- Export Result: Click Copy Output to copy formatted text to your clipboard or Download to save a clean
formatted.jsonfile.
Key Features of This JSON Utility
๐ 100% Client-Side Privacy
Your JSON string never leaves your computer. All parsing runs within local JavaScript memory, safeguarding sensitive data, passwords, and API tokens.
๐ค Alphabetical Key Sorting
Organize chaotic JSON payloads alphabetically by key names recursively across all nested levels.
๐ฒ Interactive Tree Viewer & JSONPath
Visually inspect deeply nested arrays and objects with collapsible tree nodes, visual type tags, and click-to-copy JSONPaths.
๐ Live Search with Case Toggle
Find keys and values instantly with match counters, Next/Prev selection, and optional case-sensitivity across thousands of lines.
Frequently Asked Questions (FAQs)
Why is JSON formatting important?
Raw JSON from REST APIs or log files is typically minified to save bandwidth. Formatting (beautifying) adds clean indentation and structural nesting, making it readable and quick to debug for developers.
What causes common JSON parsing errors?
The most frequent issues include trailing commas after the final element in an array or object, using single quotes (
') instead of double quotes ("), missing quotes around key names, and unescaped special characters.Does this tool support large JSON payloads?
Yes. Because there is no network transfer or upload lag, the tool handles payloads quickly up to your browser's physical RAM limit with debounced performance guards.
Is this JSON formatter completely free?
Yes, this utility is completely free to use without any registration, daily limits, or software installation.