Defending against WebGL fingerprinting by reporting a fake value.

Latest Version

Version

0.1.7

Update

April 25, 2023

Size

41.71KiB

Developer

WebGL Fingerprint Defender Extension

WebGL Fingerprint Defender is a browser extension that let you easily hide your real WebGL fingerprint by reporting a random fake value.

According to many tech blogs, completely blocking WebGL API is not a good idea, therefore reporting a fake fingerprint could be the best solution to better protect your privacy. This add-on simply adds a small noise to the actual fingerprint and renews it every time you visit a website or reload a page.

With the browser's WebGL API, in general, two types of fingerprints can be generated. One with WebGL constants and the other with an image that is rendered with the WebGL API. This add-on can spoof both values at the same time.

To disable this add-on, please visit the extensions page in your browser and then click on the disable button. Please note that this add-on does not have any toolbar icon/button.

This extension is made in collaboration with the author of \"Canvas Fingerprint Defender\":
https://chrome.google.com/webstore/detail/canvas-fingerprint-defend/lanfdkkpgfjfdikkncbnojekcppdebfp

If you have a feature request or found a bug to report, please fill out the bug report form on the add-on's homepage (https://mybrowseraddon.com/webgl-defender.html).

Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "version": "0.1.7", "manifest_version": 3, "offline_enabled": true, "name": "WebGL Fingerprint Defender", "permissions": ["storage", "contextMenus", "notifications"], "homepage_url": "https://mybrowseraddon.com/webgl-defender.html", "description": "Defending against WebGL fingerprinting by reporting a fake value.", "commands": { "_execute_action": {} }, "background": { "service_worker": "background.js" }, "action": { "default_popup": "data/popup/popup.html", "default_title": "WebGL Fingerprint Defender", "default_icon": { "16": "data/icons/16.png", "32": "data/icons/32.png", "48": "data/icons/48.png", "64": "data/icons/64.png" } }, "content_scripts": [ { "world": "MAIN", "all_frames": true, "matches": ["*://*/*"], "match_about_blank": true, "run_at": "document_start", "match_origin_as_fallback": true, "js": ["data/content_script/page_context/inject.js"] }, { "world": "ISOLATED", "all_frames": true, "matches": ["*://*/*"], "match_about_blank": true, "run_at": "document_start", "match_origin_as_fallback": true, "js": ["data/content_script/inject.js"] } ], "icons": { "16": "data/icons/16.png", "32": "data/icons/32.png", "48": "data/icons/48.png", "64": "data/icons/64.png", "128": "data/icons/128.png" }}

Download CRX(41.71KiB)

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User reviews

Error Breen (ID: 000000499f1e6509) Voted 5 ★ - Updated 06/30/2023 It works perfectly for latest chrome, but can't work for Chrome 89 and above version. Since my browser can't upgrade to the new version due to some reasons, so I need this. Thanks for your nice extension !

Rainbow Warrior Princess (ID: 0000003180444f95) Voted 4 ★ - Updated 06/13/2023 Sometimes when reloading the page: Is fingerprint spoofed by persistent noise: false https://webbrowsertools.com/webgl-fingerprint

Dick Gangi (ID: 00000015ef35140c) Voted 1 ★ - Updated 04/15/2023 Absolutely useless. Even while it says my fingerprint is randomized, I'm on browserleaks seeing that it's not

Giang Nguyen (ID: 000000a053671bfe) Voted 2 ★ - Updated 02/03/2023 need fix, it not working, I'm using https://coveryourtracks.eff.org/

Antonio Macias (ID: 0000005979d8f62d) Voted 5 ★ - Updated 12/15/2022 aun recuerdoo cuando era indispensable coontar con estaa app para la utenticidad y seguridad de tus cuentas !!

Get source code (.Zip)

Drop .crx file here or click
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WebGL Fingerprint Defender