๐
JSON Formatter
Privacy FirstValidate, format, and minify JSON data.
No output yet
Paste JSON on the left, then click Format or Minify.
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language Standard. JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages.
These properties make JSON an ideal data-interchange language for web applications, APIs, and configuration files. It has become the de facto standard for data exchange on the web, largely replacing XML due to its smaller footprint and better performance.
How to Use This Tool
- Paste your raw or messy JSON data into the Input JSON editor on the left.
- Click the Format button to beautify the code with proper indentation and syntax highlighting.
- Alternatively, use the Minify button to remove all whitespace for production use.
- Check the Status indicator to ensure your JSON is valid; if there is an error, the tool will highlight the exact line.
- Click Copy to save the formatted result to your clipboard or Clear to start over.
Common Use Cases
- API Debugging: Quickly format unreadable JSON responses from REST APIs to inspect data structures.
- Config Validation: Ensure your
package.json,tsconfig.json, or other configuration files are syntactically correct. - Data Preparation: Minify JSON data before embedding it in code or sending it over a network to save bandwidth.
- Learning & Documentation: Use the beautified output to create clear examples for technical documentation or tutorials.
Pro Tips
- Use the Validate button if you only want to check for syntax errors without changing the formatting of your input.
- Pay attention to the Max Depth statistic to identify overly complex or deeply nested structures that might cause performance issues.
- Always use double quotes for keys and string values, as single quotes are invalid in standard JSON.