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I want to open extensions in browser tab as a normal html page so that I can automate it using selenium WebDriver. In firefox this can be done using link like this - moz-extension://f1b30486-cd88-4319-bbb5-d5e387103414/popup.html.

enter image description here

But the problem is that I am not finding a way in Firefox by which I can locate the id for all extensions**. The id used above is obtained when the extension is installed and a page with url moz-extension://f1b30486-cd88-4319-bbb5-d5e387103414/congratulations.html is loaded like a welcome page.

Is there any way in Firefox to get the add-on id or get urls like above for all extensions.

StrikerVillain
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3 Answers3

31

Open about:memory. Click "measure" in Show memory reports. In the Main Process section, scroll down to Other Measurements. There you will find the installed (active) extensions with their names and their ids displayed as baseURL=moz-extension://[random-ids].

This method works for both Firefox and Firefox for Android. Note that only enabled extensions are shown.

serv-inc
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alexis
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19

I tried the other two and they both worked but I really had to search to find which extension was which

I found that using about:debugging was very clear as to which extension was which I̶ ̶a̶l̶s̶o̶ ̶h̶a̶d̶ ̶t̶o̶ ̶c̶l̶i̶c̶k̶ ̶̶T̶h̶i̶s̶ ̶F̶i̶r̶e̶f̶o̶x̶̶ ̶a̶f̶t̶e̶r̶ ̶t̶h̶e̶ ̶p̶a̶g̶e̶ ̶l̶o̶a̶d̶e̶d̶

Just go to about:debugging#/runtime/this-firefoxand it will give you the following

  • Extension Picture next to Extension Name
  • Extension ID
  • Internal UUID
  • Manifest URL
Matt
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8

Just open about:config and then look at this: extensions.webextensions.uuids

Daniel Vygolov
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