Canvas Blocker - Fingerprint Protect

Canvas Blocker - Fingerprint Protect

Prevent HTML canvas element from generating a unique identification key to protect user's privacy

Canvas Blocker - Fingerprint Protect
What is Canvas Blocker - Fingerprint Protect?
Canvas Blocker - Fingerprint Protect is a lightweight, efficient Edge extension designed to protect users from browser fingerprinting schemes through HTML canvas elements. It introduces slight data alterations to obscure unique identification, particularly with malicious scripts attempt for fingerprinting. The add-on offers multiple operation modes, detects potential canvas fingerprinting, and has customizable blocking options per hostname. Moreover, it supports cross-origin and sandboxed iframes.
Stats
By: Bermet
Version: 0.2.0 (Last updated: 2023-11-02)
Creation date: 2020-12-29
Risk impact: Moderate risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Permissions:
  • notifications
  • storage
  • contextMenus
  • scripting
Host permissions:
  • *://*/*
Size: 60.08K
Stats date:

Other platforms

Canvas Blocker - Fingerprint Protect
Canvas Blocker - Fingerprint Protect (v0.2.0)
3.91 (34) 20,000
Not available on Firefox
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Summary

This extension protects user privacy by prevents the HTML canvas element from being used by malicious scripts for fingerprinting the user. This extension adds a slight noise to the data generated by the canvas element when certain methods are being called. This way the canvas element cannot be used for fingerprinting purposes. Compared to other similar extensions, this one is lighter and uses a more effective method to block fingerprinting from all frame elements (top and subframes). The extension supports three modes of operation:

  1. Random noise
  2. Random noise (per session) (to have a fixed identity for current page session)
  3. Fixed noise (to have a fixed but unique identity all the time)

Features:

  1. Fingerprint defender with as minimum footprint as possible
  2. Block or disable fingerprint on certain hostnames
  3. Notify when the canvas fingerprint is detected
  4. Disable notification for a few hostnames or for all hostnames.
  5. Works on cross-origin (CORS) and sandboxed iframes (like Disqus and Hangouts)

Notes:

  1. There is no on and off button as the extension is not meant to be disabled. If there is a use case of the on and off button please report on the FAQs page (review section)
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User reviews
Works as expected
by Violet, 2022-07-09

I'm not sure if it's useful, but I respect everyone that devotes to protect our privacy!
by 博文, 2021-04-08

Works great. No problems but should be updated. Last update was Dec. 2020. Is it still being maintained?
by Blanca, 2022-12-08
View all user reviews
Safety
Risk impact

Canvas Blocker - Fingerprint Protect may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.

Risk likelihood

Canvas Blocker - Fingerprint Protect is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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