CanvasBlocker

Firefox extension that protects against canvas-based browser fingerprinting.

Browser extensionfreeGlobal

CanvasBlocker is a Firefox extension that protects specifically against canvas-based browser fingerprinting, a tracking technique that works even when cookies are blocked. It's for privacy-conscious Firefox users who want protection against this particular fingerprinting method.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of CanvasBlocker - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

Claim CanvasBlocker to unlock →

Try Matchbox with your own problem

Describe what is not working - we’ll show you whether CanvasBlocker (or something else) actually fits.

Try a problem