JSON Formatter
Format, beautify, and inspect JSON with custom indentation.
Operating Manual
3-STEP WORKFLOWPaste your raw JSON into the input editor.
Click Format JSON to beautify and validate the syntax.
Copy the clean JSON or download as a .json file.
About This Tool
INFORMATIONClean up unformatted JSON payloads with 2-space, 4-space, or tab indentation and instant syntax highlighting.
This tool processes your input locally in your web browser. Your files, texts, and data never leave your device, ensuring total privacy and instant results with zero wait times.
Frequently Asked Questions
Does it highlight syntax errors if the JSON is invalid?
Yes, if invalid, the exact line and character error position will be indicated.
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