Canvas Defender icon
Canvas Defender icon

Canvas Defender

As you browse the internet, sites you visit can attempt to take screenshots of your computer as a pixel-by-pixel unique digital "fingerprint" of you & and your devices. This is called canvas fingerprinting.

Canvas Defender screenshot 1

Cost / License

  • Free
  • Proprietary

Platforms

  • Mac  As browser extension.
  • Windows  As browser extension.
  • Linux  As browser extension.
  • Firefox
Canvas Defender screenshot 1
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Web Browsers, Security & Privacy

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Our users have written 1 comments and reviews about Canvas Defender, and it has gotten 3 likes

Canvas Defender was added to AlternativeTo by John Fastman on and this page was last updated . Canvas Defender is sometimes referred to as CanvasDefender. 

Comments and Reviews

   
Top Positive Comment
TBayAreaPat
0

I'm not finding this for Chrome, but here's a Firefox link [https://addons.mozilla.org/en-US/firefox/addon/no-canvas-fingerprinting/](https://addons.mozilla.org/en-US/firefox/addon/no-canvas-fingerprinting/) The extension called All Fingerprint Defender told me a site used Canvas finger printing. I tried this extension and was able to see the site again.

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What is Canvas Defender?

As you browse the internet, sites you visit can attempt to take screenshots of your computer as a pixel-by-pixel unique digital "fingerprint" of you & and your devices. This is called canvas fingerprinting. This can risk your privacy, even if you're browsing anonymously, e.g. from behind a VPN or using the Tor network.

Canvas defender is a Firefox addon that tries to defeat such tracking by adding random noise to your the screen capture. This has no effect on your online experience. This addon is different to others, in that it does not attempt to block the fingerprinting altogether, but rather to confuse it.

Instead of completely blocking canvas fingerprinting, Canvas Defender add-on creates a unique and persistent noise that hides your real canvas fingerprint. This add-on protects you while browsing both in normal and private mode.