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
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2 assetsCanvas Blocker - Fingerprint Protect Media preview
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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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GERMAN ► 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/ ENGLISH ► Doesn't do what it promises. On the following website you can see that you still leave a recognizable fingerprint, no matter what you set in the options: → https://coveryourtracks.eff.org/
Activating the extension (setting "Random fingerprint") does seem to change the fingerprint on every reload on this site "https://browserleaks.com/canvas". However, on this site "https://fingerprint.com/" it keeps recognizing me. Even in Incognito/Private mode, after closing the browser or tab (and changing public IP-address using VPN). Although I do get the popup from this extension stating that the fingerprint is blocked. So, not sure if this extension is adequate if it only changes the hash in using these very specific steps. Using Brave on Win10, by the way. And fingerprint-setting is set to "Strict"
Fixed Fingerprint - This option isn't useful at all. You do NOT get randomnized Fixed Fingerprint by enabling this option. Your Fingerprint is same for ALL chrome based browser run within the same computer. You can test it using Comodo Dragon (chrome based) or portable version of Chrome.
Doesn't work. Still have a unique fingerprint.
я не могу понят разницы между двумя первыми режимами - по логике - первый должен всегда при запросе отпечатка выдавать разные при каждом запросе, второй должен сделать новый при входе на сайт и все время его выдавать при запросах, третий режим выдает оригинальный отпечаток. Так вот второй режим у меня всегда дает рандомные отпечатки, а почему? либо я не понимаю, что такое "per session"
First of all, Thanks for making a great tool! But, but if you have multi profiles of Chrome and install this extension to these profiles and using "Fixed Fingerprint" mode in setting of extension, the Fingerprint code is the same on all profiles. Finally, The "Fixed Fingerprint" feature work wrong on multi profiles. Please fix this.
It's an awesome extension, just please, let us be able to disable notifcations, they get really annoying.
как проверить что оно работает? Кажись вообще пользы никакой.
Best fingerprint blocker for Chrome. Thank You!
Doesn't work against canvas !! Try on this website : 1) Open a private new tab (0 cookie then) then go on https://fingerprintjs.com/demo 2) Close the windows 3) Reopen a new private tab (0 cookie again) then rego on https://fingerprintjs.com/demo Doesnt work, website knows who you are. Try this with CanvasBlocker on Firefox, it won't recognize you. If you use Brave, you can close your browser and reopen it it will reset the hash so the website wont recognize you.