Canvas Fingerprint Defender
Privacy & Security
Defending against Canvas fingerprinting by reporting a fake value.
Users
200K
Rating
3.7
Reviews
74
7D Growth
+100K|100%
Cooling signalUnknownHigh-risk permissions
Canvas Blocker - Fingerprint Protect
Prevent HTML canvas element from generating a unique identification key to protect user's privacy
Users60KCurrent public install base
Rating3.9Store average score
Reviews58Public review volume
Manifest versionV3Extension platform version
7-day growth-10KNet users gained this week
7-day growth rate-14.3%Relative weekly velocity
Preview
2 assetsCanvas Blocker - Fingerprint Protect Media preview
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7-day rating change
Start
3.88
Latest
3.88
7-day rating change
0.00
2026年7月13日2026年7月19日
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1-day growthFlat
00%7-day growthDeclining
-10K-14.3%30-day growthFlat
00%Technical snapshot
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Version0.2.3
ManifestV3
Size58.68KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
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This browser extension safeguards user privacy by preventing malicious scripts from using the HTML canvas element for user fingerprinting. It introduces slight changes to the data generated by the canvas element when specific methods are invoked, rendering it unusable for fingerprinting. In comparison to similar extensions, this one is lighter and employs a more efficient method to obstruct fingerprinting across all frame elements (top and subframes). The extension operates in three modes:
1. Random noise
2. Random noise (per page) to maintain a consistent identity within the current page session
3. Fixed noise to sustain a constant yet unique identity continuously
Key Features:
1. Minimal footprint fingerprint defender
Reviews
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Store average score3.9Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.6Average computed only from synced review bodies below
Reviews with text43Synced review bodies
Total ratings / reviews58Chrome Web Store public rating/review count
Store average score: 3.9. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Hält nicht, was es verspricht. Auf der folgenden Webseite kann man sehen, dass man trotzdem einen wieder erkennbaren Fingerabdruck hinterlässt, egal, was man in den Optionen einstellt: https://coveryourtracks.eff.org/ ------------------------------------------------------------------------------- Does not deliver what it promises. On the following website, you can see that you still leave a recognizable fingerprint, regardless of what you set in the options: https://coveryourtracks.eff.org/
No more fingerprinting on every single webpage that isn't dead html coding from 2008
I was using https://coveryourtracks.eff.org/ to test how unique my browser's fingerprinting was, and when I first installed this extension, nothing appeared to change, so I uninstalled it, checking the box that it didn't behave as expected. I then installed the Canvas Fingerprint Defender extension, which works pretty well. I then re-installed Canvas Blocker and disabled Canvas Fingerprint Defender and coveryourtracks gave the desired results, giving even fewer bits of fingerprinting than either extension alone. It could just be an artifact of how coveryourtracks reports things, but it is looking like Canvas Fingerprint Defender anonymizes something, which remains better-anonymized even after disabling it, which then allows Canvas Blocker to better defeat coveryourtracks? Whatever the metrics and tests, it shouldn't really matter how unique it is reported to be, since Canvas Blocker should be generating new randomized values every time, meaning that even if it is unique, they still can't track you due to it always changing. The two extensions do slightly different things, and are both quite good at what they do.
excelente...
Просто работает
отлично работает,оно меняет сигнатуру canvas fingreprint'а при каждой перезагрузке страницы,а если отключить то у тебя на всех сайтах одна и та же сигнатура, можно отследить ну вы поняли.
只有 GitHub 仓库的版本有效，这个不起作用
One of few that really works and generates a new signature at every detection trying.
Ótima extensão!
good