JSON Formatter
Format and validate JSON instantly — free, no signup
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Scan my site for freeJSON Formatter — Frequently Asked Questions
- What is JSON?
- JSON (JavaScript Object Notation) is a lightweight data interchange format. It is easy for humans to read and write, and for machines to parse.
- How do I format JSON with indentation?
- Paste your JSON in the input field and click Run. The tool adds 2-space indentation automatically.
- Does the JSON formatter also validate?
- Yes. If the JSON is invalid, the tool shows the syntax error with the exact position.
- Is my data secure?
- Yes. All processing happens in your browser. No data is sent to any server.
- Can I format large JSON files?
- Yes. The tool handles JSON of any size, limited only by your browser's memory.