Firefox Add-ons
2Versions
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What our analysis found

AudioContext Fingerprint Defender is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites. It comes from a publisher with 22 extensions and was last updated in June 2026.

AudioContext Fingerprint Defender

AudioContext Fingerprint Defender Firefox extension security report

ID: audioctx-fingerprint-defender

Extension Info & Metadata

Status
Active
Version
0.2.0
Size
0.05 MB
Rating
4.7/5
Reviews
27
Users
402
Type
Extension
Updated
Jun 30, 2026
Category
N/A
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
This publisherTrack record
22extensions
All still listed

Publisher Contextual Analysis

Author
ilGur
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
No
Mailbox exists
Yes
Website
Visit
Extensions
22
Active
11
Obsolete
0
Listed
22
Unlisted
0
Users
55,736

Screenshots & videos

Screenshot 1
Screenshot 2

Install growth

Item
Type
Severity
Description
*://*/*
Risk Factor
Critical
This permission grants access to all websites without restriction. Rated High because it can access any web content, monitor all web activity, and potentially steal sensitive data across all sites.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation• 10% increase: About:blank access enables potential sandbox escape vectors
Broad Host Permissions
Risk Factor
High
This extension has broad host permissions allowing it to access many or all websites.
Broad Content Script Access
Risk Factor
High
This extension can inject scripts into any website.
storage
Permission
Medium
This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
About:blank Access
Risk Factor
Medium
This extension can run content scripts in about:blank pages.
contextMenus
Permission
Low
This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.
notifications
Permission
Low
This permission displays system notifications. Rated Low because it can only show user-visible notifications without accessing system data.

1 indicator

1 indicator
0 versions analysed

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About this extension

Defending against AudioContext fingerprinting by reporting a fake value.

Read the publisher’s full description

<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/d675ae8525dc71569bc06d668ba4141e8d1cc084116c94b0dc9dd7113b1034ed/https%3A//mybrowseraddon.com/audiocontext-defender.html" rel="nofollow">AudioContext Fingerprint Defender</a> is a lite addon that let you easily hide your real AudioContext fingerprint by reporting a random fake value and protect your privacy. This addon does NOT block AudioContext or any other web audio API methods, instead, it simply adds a small noise to the actual fingerprint and "renews" it every time you visit a website or reload a page. It is important to note that, this addon does not have any settings or options to adjust. Simply add it to your browser and start surfacing the internet. If you want to test this addon, please visit a website that show your fingerprint (i.e. audiofingerprint.openwpm). Every time you reload the page, you will see a new fake fingerprint. Note 1: depending on your browser and platform, you may need to (Shift+Refresh) a web page to renew AudioContext fingerprint. Note 2: If you also want to protect your browser against other types of fingerprints, please see my other addons: <a href="https://addons.mozilla.org/en-US/firefox/addon/canvas-fingerprint-defender/" rel="nofollow">Canvas Fingerprint Defender</a>, <a href="https://addons.mozilla.org/en-US/firefox/addon/webgl-fingerprint-defender/" rel="nofollow">WebGL Fingerprint Defender</a>. Note 3: In order to report bugs, please visit addon's <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/d675ae8525dc71569bc06d668ba4141e8d1cc084116c94b0dc9dd7113b1034ed/https%3A//mybrowseraddon.com/audiocontext-defender.html" rel="nofollow">homepage</a> and fill the bug report form.

User reviews

Extension files

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URLs
1

URLs

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No IP addresses found

1 indicator

1 indicator
0 versions analysed

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Version
Size
Verdict
Findings
Permhash
0.1.7
Latest
0.04 MBNot scanned—
3a82873e5789ad0e33b0564af16009d5e49b708061da8cbc3577e426d661260a
0.2.0
0.05 MBNot scanned—
3a82873e5789ad0e33b0564af16009d5e49b708061da8cbc3577e426d661260a
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