I can't take the ridiculous notifications any more. Half the sites I visit make it pop up ding ding ding ding.

This used to be an essential part of my toolkit for privacy on the web, but now generating new canvas noise doesn't change the signature on the test at BrowserLeaks, so I guess it no longer works.

https://browserleaks.com/canvas

By contrast, Firefox's own anti-fingerprinting protection (available since Firefox 120) does work when enabled, although it takes a browser restart to get a new signature on the test.

it doesn't let you disable its tremendously abrasive notifications

When i found out that fsf.com tries to fingerprint me, i know there is something going on in this add on. Take too much memory, target overreach, bunch of ui for psychological effect

Does not work, https://www.deviceinfo.me/, shows canvas as allowed, not spoofed or blocked.

Didn't work for me, maybe there is something else blocking it (umatrix, privacy badger), but with this installed and without, the test site show the same fingerprint

While the idea is nice theoretically, practically this addon isn't all that useful. Apps using canvas for legitimate reasons (i.e. WhatsApp web file upload, draw.io file export) will often have coloured tint (or sometimes it will just break the app completely) on them, which not only affects the web experience, but will also make you trackable. The addon does have a white-list function, but I haven't been able to get it to work. There's also an annoying notification that pops up on every webpage that tries to read your canvas hash and you can't actually disable it.

It claimed to be a better solution than "Canvas fingerprint blocking tactics" in its artical. But indeed, it is very easy to be detected. By drawing a large gray (#666) block and read its content, browsers without this extension installed will report all pixels are gray. But with this extension, You would get a green / red / blue or some other colored pixels. And by testing the changing of colors, website may simply know a user is using this extension. As the result, this extension won't be better than a canvas fingerprint blocking tool as it claimed. While there are more users using tools to block a fingerprint (as a built-in of Tor browser), using this extension would be even a worse idea.

good

Not working with gmail on Firefox Linux 57.0.3 (64-bit). Gmail loads about 3/4's of the way on load bar and stops. With Canvas Defender disabled, gmail loads ok.

Was a real PIA troubleshooting all my extensions to see which one was making gmail unusable. You would think the dev would at a minimum test compatibility with gmail.

In use without issue since v1.0.6 (5 Stars!), 1.1.0 breaks google and several web sites so far. Need to whitelist mail.google.com, drive.google.com, etc. (merely google.com doesn't work). And bankofamerica.com as one example. It's too tedious to figure out a site needs it and then entering it manually. Reverting to 1.0.9. Thank you.

got error:

Current canvas noise hash
#
Last changed: (Scheduled change: )

did not show # and canvas.