JSON Formatter & Validator
Paste your JSON to format it with proper indentation, validate its syntax, minify it, or copy the beautified output. Supports large files, syntax highlighting, and error reporting with line numbers.
How to Use the JSON Formatter
Paste your JSON data into the input field and click Format to beautify it with proper indentation, Minify to compress it to a single line, or Validate to check if the syntax is correct.
Choose between 2-space or 4-space indentation for formatted output. If your JSON has syntax errors, the tool will show the error message with details about what went wrong.
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data format used for data exchange between servers and web applications. It is human-readable and easy to parse. JSON is the most common format for REST APIs, configuration files, and data storage.
Privacy
All JSON processing happens locally in your browser using JavaScript's built-in JSON.parse() and JSON.stringify(). Your data never leaves your device.