Canvas Blocker - Fingerprint Protect
Prevent HTML canvas element from generating a unique identification key to protect user's privacy
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.
Add-on stats
By: Bermet
Rating: 5.00
(5)
Creation date: 2020-12-29
Manifest version: 3
Permissions:
- notifications
- storage
- contextMenus
- scripting
Host permissions:
- *://*/*
Size: 60.08K
URLs: Website ,Privacy policy
Ranking
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Add-on 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:
- Random noise
- Random noise (per session) (to have a fixed identity for current page session)
- Fixed noise (to have a fixed but unique identity all the time)
Features:
- Fingerprint defender with as minimum footprint as possible
- Block or disable fingerprint on certain hostnames
- Notify when the canvas fingerprint is detected
- Disable notification for a few hostnames or for all hostnames.
- Works on cross-origin (CORS) and sandboxed iframes (like Disqus and Hangouts)
Notes:
- 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)
User reviews
Works great. No problems but should be updated. Last update was Dec. 2020. Is it still being maintained?
by Blanca, 2022-12-08
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
Add-on safety
Risk impact
Canvas Blocker - Fingerprint Protect requires a few sensitive permissions. Exercise caution before installing.
Risk likelihood
Canvas Blocker - Fingerprint Protect has earned a good reputation and can be trusted.
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