JSON Prettifier

Format and beautify your raw JSON instantly with the JSON Prettifier Tool. Choose indentation style, sort keys, validate structure, and remove trailing commas. Supports file input, live output preview, character count, and easy export for clean, readable JSON.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .json
Total characters: 0
Options
Sort keys alphabetically
Remove trailing commas
Validate input

How to Use:

  1. Paste your JSON into the Input JSON box.
  2. Or import a .json or .txt file using Choose File.
  3. Adjust options such as:
    • Indentation (2 spaces, 4 spaces, tab)
    • Sort keys alphabetically
    • Remove trailing commas
    • Validate input JSON
  4. The Prettified Output updates instantly as you type or toggle options.
  5. Use Copy Output or Export to File to save the result.
  6. Click Clear All to reset everything.

What the JSON Prettifier Tool can do:

  • Prettifies JSON using your selected indentation (spaces or tab).
  • Validates and safely parses the input (or shows an error if invalid).
  • Sorts object keys alphabetically for easier reading.
  • Removes unnecessary trailing commas from arrays and objects.
  • Offers live preview with visual flash and total character count.
  • Supports importing files, exporting results, copying, and clearing all data.

Example:

Input:

{"z":9,"a":1,"list":[3,2,1],}

Options Selected:

  • 2 spaces indent
  • Sort keys
  • Remove trailing commas
  • Validate input

Output:

{
  "a": 1,
  "list": [
    3,
    2,
    1
  ],
  "z": 9
}

Common Use Cases:

The JSON Prettifier Tool is useful for developers working with APIs, debugging configuration files, or formatting minified JSON for readability. It’s perfect for cleaning up responses or validating structure before integration or sharing.

Useful Tools & Suggestions:

After prettifying your JSON, JSON Minifier is a natural follow-up if you’re preparing the data for production same info, less bulk. And if you’re converting that data for use elsewhere, JSON to CSV Converter makes it easy to drop the structure into spreadsheets or tables.

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