Pretty Js

Pretty Js

Pretty print your Javascript and JSON. Format your code for easier reading. Convert between XML and JSON.

Pretty Js promo image
What is Pretty Js?

'Pretty Js' is a versatile Microsoft Edge add-on designed to help in sufficing your JavaScript and JSON formatting needs. It not only allows neat formatting of your code but also performs instant code conversion when pasted in the text area. Explore the convenience of JSON/XML converting; copy, paste, and replace JSON easily; and have your work remembered for ongoing tasks. It also comes handy for debugging web services, prototyping, and testing. Free and upgraded to manifest v3.

Rating: 5.00 (2)
Version: 1.0.12 (Last updated: 2022-11-18)
Creation date: 2021-06-23
Risk impact: Low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 3
  • clipboardRead
  • contextMenus
Size: 1.82M
Stats date:

Other platforms

Pretty Js
Pretty Js (v1.0.12)
4.75 (8) 7,643
Not available on Firefox
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A simple tool to quickly and easily format your JavaScript and JSON. See your code formatted as you type! Or have your code instantly converted when you paste into the text area. Also lets you convert between JSON and XML.

This tool is useful if you :

  • want a quick way to format JSON that is, for example, returned as a single line by a Web service call.
  • have a JSON structure that's just badly formatted,
  • just want to prototype a JSON structure and have it formatted as you type rather than worry about formatting it yourself.
  • want to see the formatted JSON while debugging a web service call
  • need your JSON as XML or want to convert some XML to JSON


  • available as an icon on your Edge toolbar
  • remembers the current state so when you reopen the tool you can carry on where you left off- you won't lose any of your work when you close the tool
  • convenient buttons for copy and pasting to and from the clipboard
  • provides a useful button for replacing the JSON in your work area with the formatted version - useful when prototyping a JSON structure
  • formats Javascript
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Risk impact

Pretty Js is relatively safe to use as it requires very minimum permissions.

Risk likelihood

Pretty Js has earned a fairly good reputation and likely can be trusted.

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