JSON Formatter
Format and validate JSON
Raw Input0 chars
FAQ
- Is Toollo's JSON formatter free to use?
- Yes, Toollo's JSON formatter and validator is completely free, requires no signup, and runs entirely in your browser. Your JSON data is never sent to any server.
- Can I validate and format JSON at the same time?
- Yes, Toollo automatically validates your JSON as you paste it, highlights syntax errors with line numbers, and formats it with proper indentation. It also offers a collapsible tree view for easy navigation.
- Is my JSON data private when using the formatter?
- Absolutely. All formatting and validation happens locally in your browser. No data is transmitted to any server, making it safe to paste API keys, config files, or any sensitive JSON.