Enable html5 canvas in firefox for the forum

Again and again I had problems with posting pictures that I had taken with my smartphone camera. The same applies to bluesky.
@dalto pointed out to me that I should enable html5 canvas for bluesky and the forum.

I use firefox with arkenfox user.js and the browser privacy settings are strict.

I then proceeded as follows:

  • about:config

  • privacy.resistFingerprinting

  • privacy.resistFingerprinting.exemptedDomains: forum.endeavouros and bluesky added

  • Restart and everything works as desired.

If anyone has a better solution for me now, let me know :wink:

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That should work.

However, if you don’t want to completely disable resist fingerprinting, you can add an exception for only canvas data.

When a site wants your canvas data you should see an icon like this:
Screenshot_20250216_104920

If you click that icon, you can allow access to your canvas data for that site.

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I have already looked for this icon but did not find it when I called up the page. Therefore the solution via about:conf

1 Like