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JSON Viewer is one our online free tool, JSON Formatter and JSON Beautifier at JSON is a data format that is gaining popularity and used extensively in many AJAX or API powered Web sites and Mobile Applications.

Many websites which offer API's, which will return data in JSON format. Often the JSON provided has white space compressed to reduce the size of the data transferred. This site gives you a quick and easy way to format the JSON so you can read it. JSON Viewer displays your image preview under the json object.

What can you do with JSON Viewer?

  • Beautify/Format your JSON.
  • Parse and Display your JSON in a tree view.
  • Minify/Compress your JSON.
  • Validate your JSON and to fix an error.
  • Hover on image URL, JSON Viewer will display image.
  • Once you have created JSON Data. You can download as a file or save as link and Share.
  • JSON Viewer works well on Windows, MAC, Chrome, and Firefox.
  • JSON Pretty Print / Pretty JSON Tool to Prettify JSON data.

Know more about JSON.



The following example shows a possible JSON representation describing a person.

  "firstName": "John",
  "lastName": "Smith",
  "isAlive": true,
  "age": 27,
  "address": {
    "streetAddress": "21 2nd Street",
    "city": "New York",
    "state": "NY",
    "postalCode": "10021-3100"
  "phoneNumbers": [
      "type": "home",
      "number": "212 555-1234"
      "type": "office",
      "number": "646 555-4567"
      "type": "landline",
      "number": "123 456-7890"
  "children": [],
  "spouse": null