Alternatives to CanvasBlocker
Blocks or fakes the browser APIs most used for fingerprinting. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
CanvasBlocker
Blocks or fakes the browser APIs most used for fingerprinting.
Replacements
Listings that take over the same core job as CanvasBlocker.
JShelter
Wraps browser APIs to reduce JavaScript fingerprinting and tracking.
JShelter wraps a wider set of browser APIs under GPL-3.0 and adds a network boundary shield, but its noise can sometimes make a browser more distinctive.
Chameleon
A Firefox extension that spoofs the browser profile and user agent to make fingerprinting harder.
Chameleon spoofs the user agent and wider browser profile rather than faking individual APIs, stays Firefox focused, and is not open source.
Similar software
Related functionality, not a direct replacement.
arkenfox user.js
Documented Firefox configuration template for privacy and hardening.
AmIUnique
A web page that checks whether your browser has a unique fingerprint and how identifiable you are.
BrowserLeaks
A suite of web tests that show what your browser reveals about you and your device.
NoScript Security Suite
Blocks scripts and active content except on sites you trust.
Privacy Badger
Learns and blocks trackers by watching their behaviour across sites.
uBlock Origin
A free, open-source content blocker for browsers that blocks ads, trackers and malware domains with a small footprint.