Free JSON Formatter & Validator Online | Microapp
Paste raw or minified JSON to prettify, validate, and format it with proper indentation. Errors are highlighted instantly.
The **JSON Formatter** tool helps developers and data professionals quickly format, validate, and prettify raw or minified JSON data. Easily transform unreadable JSON strings into a structured, indented, and human-readable format, making debugging and data analysis more efficient. This essential utility ensures your JSON is well-formed and easy to work with for APIs, configurations, and data exchange.
How to use this tool
- 1Paste your raw or minified JSON data into the 'JSON Input' text area.
- 2Select your preferred indentation level (2 or 4 spaces) using the buttons provided.
- 3The tool will automatically format and validate your JSON, displaying the prettified output.
- 4If there are any errors, they will be highlighted with specific messages to guide correction.
- 5Use the 'Copy formatted' or 'Copy minified' buttons to quickly grab the processed JSON.
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