Text / JSON

Format JSON

Pretty-print with 2-space indent. Invalid JSON shows the parser error.

Last checked: September 2026. Confirm millimetres, pixels, and KB on the official form. Not a government website.

InputOutput

{
  "name": "Cherry Converter",
  "private": true
}

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FAQ

Comments?Open

Standard JSON has no comments. They will fail to parse.

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Related systems

01 / text

JSON.parse in this tab. Tells you if it is valid and the engine error if not.

02 / text

Parse with DOMParser and indent. Malformed XML is rejected.

03 / text

UTF-8 text to Base64 and back. For images, use Image to Base64.