AudioContext Fingerprint Defender

AudioContext Fingerprint Defender

Defending against AudioContext fingerprinting by reporting a fake value.

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What is AudioContext Fingerprint Defender?

AudioContext Fingerprint Defender is an Edge add-on designed for enhanced privacy. It operates by creating a temporary, false audiocontext fingerprint every time you browse or reload a web page, thus safeguarding your online identity. Despite introducing slight noise to the true fingerprint, it does not block any web audio API functionalities. It has a simple set-and forget operation - no need for configurations. Simply add it onto your browser and enjoy seamless, anonymous internet browsing.

Stats date:
Users: 1,468
Version: 0.1.8 (Last updated: 2023-04-22)
Creation date: 2020-12-28
Manifest version: 3
  • storage
  • contextMenus
  • notifications
Size: 38.25K
Risk impact: Moderate risk impact
Risk likelihood: Moderate risk likelihood

Other platforms

AudioContext Fingerprint Defender
AudioContext Fingerprint Defender (v0.1.8)
3.67 (12) 13,560
Not available on Firefox

AudioContext Fingerprint Defender is an extension that let you easily hide your real audiocontext fingerprint by reporting a random fake value and protecting 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 shows your fingerprint (i.e. audiofingerprint.openwpm). Every time you reload the page, you will see a new fake fingerprint.

Note: depending on your browser and platform, you may need to (Shift+Refresh) a web page to renew the AudioContext fingerprint.

To report bugs, please visit the addon's homepage ( and fill out the bug report form.

Risk impact

AudioContext Fingerprint Defender 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

AudioContext Fingerprint Defender is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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Promo images
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