JSON Formatter — Beautify, Validate & Minify JSON
Format, beautify, validate, and minify JSON data instantly. Paste your JSON and click Format for readable indented output or Minify for compact output.
How to Format JSON
Paste Your JSON
Copy and paste any JSON string into the input textarea. The tool accepts raw JSON, minified JSON, or poorly formatted JSON.
Format or Minify
Click Format to beautify with 2-space indentation, or click Minify to compress into a single line. The tool also validates your JSON and shows errors if invalid.
Copy the Result
The output is displayed in a read-only textarea. Select all, copy, and paste into your code editor, API tool, or configuration file.
Why Use a JSON Formatter?
JSON is the universal format for data exchange on the web, used by REST APIs, configuration files, databases, and cloud services. Writing or debugging JSON by hand can be error-prone, especially after minification. A formatter helps you spot missing commas, unbalanced braces, and incorrect nesting at a glance. Formatting with proper indentation turns a wall of text into a clear hierarchy of objects and arrays, making it much easier to understand the data structure. Minification, on the other hand, is useful when you need to reduce file size for storage or transmission — minified JSON strips all unnecessary whitespace and newlines. This tool validates your JSON before formatting, so you get immediate feedback if your data has syntax errors like trailing commas, missing quotes, or invalid escape sequences. Developers working with API responses, configuration management, or data processing pipelines will find this tool indispensable for daily debugging and data preparation tasks.