Format, validate, and beautify JSON instantly. Syntax highlighting, tree view, and error detection.
Formatted JSON will appear here...Your JSON is properly formatted and valid.
Format minified JSON into readable, indented structure
Compress JSON by removing whitespace for smaller file size
Check if JSON is valid with detailed error messages
Color-coded syntax for keys, values, strings, and numbers
Collapsible tree visualization of JSON structure
Convert JSON to YAML, XML, CSV, or query string
JSON (JavaScript Object Notation) is a lightweight data format used for storing and exchanging data. It's easy for humans to read and write, and easy for machines to parse and generate.
Yes! All JSON processing happens directly in your browser. Your data is never sent to our servers, ensuring complete privacy and security.
Since processing happens in your browser, there's no hard limit. However, very large files (>10MB) may slow down your browser.