JSON Formatter – Format, Beautify & Minify JSON Online

JSON Formatter

Format, beautify, minify and validate JSON online.

Click here or drag & drop a JSON file
Input JSON 0 characters
Formatted JSON 0 characters
0 Input Characters
0 Output Characters
0 Objects
0 Arrays
0 Keys
Tip: JSON Formatter automatically validates the JSON before formatting. Invalid JSON will show an error message with the approximate line and column where the parser detected the problem. All processing happens locally in your browser.

Free Online JSON Formatter and Beautifier

Format, beautify, minify and validate JSON directly in your browser. Paste JSON or load a JSON file, choose an indentation style, and create clean formatted output that you can copy or download.

How to Use the JSON Formatter

  1. Paste JSON into the input box or load a JSON file by clicking or dragging it into the upload area.
  2. Choose 2, 4 or 8 spaces, or a tab, for formatted indentation.
  3. Click Format JSON to beautify it, Minify JSON to compact it, or Validate JSON to check its syntax.
  4. Optionally sort object keys, escape Unicode characters or add a final newline.
  5. Copy the result or download it as a JSON file.

JSON Formatting and Validation Features

The tool parses JSON before formatting and reports invalid JSON with the parser message and an approximate line and column when a character position is available. It can recursively sort object keys, escape non-ASCII Unicode characters, and display counts for objects, arrays and keys. Processing is performed locally in the browser.

Frequently Asked Questions

Can this tool validate JSON?

Yes. Use Validate JSON to check whether the input can be parsed as valid JSON.

Can I minify JSON?

Yes. Minify JSON removes formatting whitespace and creates compact JSON output.

Can I choose the indentation?

Yes. Formatted output can use 2, 4 or 8 spaces, or a tab.

Can I upload and download JSON files?

Yes. You can load a JSON file through the file area and download the current output as formatted.json.

Does the JSON Formatter process data locally?

Yes. The formatting, validation, statistics and file processing in this tool run in your browser.

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