JSON Formatter & Validator
Paste raw or minified JSON to instantly pretty-print it with configurable indentation. Validate syntax and get helpful error messages pinpointing exactly where the problem is.
Ctrl+Enter to format
How to Use the JSON Formatter
- Paste your raw or minified JSON into the input panel on the left.
- Click Format JSON or press Ctrl+Enter to beautify it instantly.
- Review the syntax-highlighted, formatted output on the right.
- Copy to clipboard or download the formatted file.
What is JSON Formatting?
JSON formatting (also called "pretty-printing") adds consistent indentation and line breaks to a compact JSON string, making the data's nested structure immediately visible. A single minified blob becomes a readable, hierarchical document — much easier to scan, debug, or share with colleagues.
Why Use a Client-Side JSON Formatter?
Corporate JSON — API responses, config files, database exports — routinely contains credentials, PII, and proprietary business logic. With Office Quick Tools, your data never leaves the browser. No server processes it, no logs are created, and no third-party ever sees it. Formatting happens entirely using your device's JavaScript engine.
JSON Formatter Features
- Instant formatting with full syntax highlighting
- JSON validation with precise error location detection
- Minify JSON to remove all whitespace
- Configurable indent size: 2 spaces, 4 spaces, or tabs
- One-click copy to clipboard
- Download formatted JSON as a file
- JSON statistics: key count, nesting depth, file size
- 100% browser-based — your data never leaves your device