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View a JSON file or server response with formatting

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To display a minified JSON file or a minified JSON server response in a more readable format, select the Pretty-print checkbox.

When you open a JSON file or view a JSON HTTP server response in Microsoft Edge, the content is initially displayed as-is:

  • If the JSON content has been minified, with its entire content on a single line with empty spaces removed, the JSON is initially displayed in a dense format, wrapped to the window.

  • If the JSON was formatted with line breaks and indentation, the JSON is displayed as formatted.

To format a minified JSON file or server response:

  1. Open a .json file that's minified, such as 128KB-min.json, or go to a URL that returns a minified JSON response.

    To open a local JSON file, press Ctrl+O on Windows and Linux, or Command+O on macOS, and then select a JSON file.

    The minified JSON is initially displayed in a dense format, wrapped to the window:

    A .json file that's minified, initially opened in Edge

  2. Select the Pretty-print checkbox:

    A .json file that's minified, viewed with Pretty-print selected

    The JSON file or response is displayed in a readable format, with indentation and line wrapping based on the JSON object content.

Selecting or clearing the Pretty-print checkbox doesn't change the JSON file itself; only how it is displayed.

See also