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JSON Formatter & Validator
Format and validate your JSON data with syntax highlighting.
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💡 How to Use
Paste your JSON into the left text area and click 'Format' to produce a neatly indented, readable output. Use the 'Minify' button to strip all whitespace and produce a compact single-line version. Invalid JSON triggers an error message with the problem location highlighted so you can fix it quickly. The tool is ideal for debugging API responses, editing config files, or inspecting nested data structures.
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FAQ
Why do I need JSON formatting?▼
Minified JSON is hard for humans to read. Formatting adds indentation and line breaks, making it easy to understand the data structure and quickly spot errors.
What's the difference between JSON and XML?▼
JSON is a lightweight text format mainly used in web APIs. It's smaller and faster to parse than XML. XML is better suited for document markup.
How do I check if my JSON is valid?▼
Paste your JSON into this tool and it will automatically validate it. If there are errors, a red error message will show the location and cause.