screenshotCanvas Fingerprint Defender  |  Download Defending against canvas fingerprinting by reporting a fake value.

Some of the important features of the Canvas Fingerprint Defender addon are listed below. This is followed by an overview of this addon. This summary contains few words about the addon, its function, and its features. Next is FAQ, this section is useful to get information about how this addon works in your browser. If you couldn't find a specific answer, please fill the bug report form on this page or the contact form on the homepage to let us know about your question. Following the FAQ, is the bug report form. It is designed to collect user feedbacks and bugs about this addon. Users can suggest improvements or feature requests through this form too. The next section is for submitting comments about this addon which uses the Facebook comments plugin. The last section is dedicated to reports submitted through the GitHub website. We hope the information provided on this page, could help you get all the basics you need about this addon and enable you to have a better experience with Canvas Fingerprint Defender.

In short, Canvas Fingerprint Defender let you easily hide your real canvas fingerprint by reporting a fake value while you are browsing. Please check the YouTube tutorial below to get an idea of how this addon works in your browser. If you want to contribute to the developement of this addon, please fork it on GitHub, and push your changes to a named branch. Moreover, you can review all the comments made on GitHub commits.

4 Reasons to Use Canvas Fingerprint Defender

  • Protects you against canvas fingerprinting.

  • Instead of blocking the fingerprint, it simply reports a random fake value.

  • Renews the reported fingerprint every time you reload a page.

  • Available for all browsers and platforms (Window, Linux and Mac).

YouTube Tutorial

This video gives you an idea of how the extension works in your browser.

Matched Content

Frequently Asked Questions

  • 1. What is Canvas Fingerprint Defender?

    Canvas Fingerprint Defender is a multi-browser addon that let you easily hide your real canvas fingerprint by reporting a random fake value. According to many tech blogs, completely blocking canvas fingerprint is not a good idea, therefore reporting a fake fingerprint could be the best solution to better protect your privacy. This addon 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.

  • 2. What is Canvas Fingerprinting?

    Canvas fingerprinting is a digital fingerprinting technique for tracking users and also allows websites to easily identify visitors using HTML5 canvas element. In order to get more info about canvas fingerprinting please read this page in Wikipedia.

  • 3. How can I download the source code for Canvas Fingerprint Defender?

    To download the source code for this extension from Chrome Web Store, it is recommended to use Extension Source Downloader. With this addon, you can download the source code as a ZIP or CRX format to your machine. If you want to download the source code from the Firefox addons store, please open the firefox download link (if available) in the Firefox browser and then right-click on the - Add to Firefox - button and select - Save Link As... - item. Choose the destination folder on your machine and then save the file in XPI format. You can then rename the XPI format to a RAR or ZIP file. Some extensions may have a GitHub repo address, which you can use to download the source code as well. But, it may not be the latest version of the addon. Therefore, downloading the source code from the official web stores is the best option as it always gives you the latest version of the addon.

  • 4. How can I work with this addon?

    As mentioned above, simply add this addon to your browser and start surfing the net. Your fingerprint will always be a random value and every time a page is reloaded, a new fake value will also be generated. In order to test this addon, please visit a website that shows your fingerprint (i.e. browserleaks). Once you see your fingerprint, please reload the page and you will see a new random value. While this addon is active, you are protected against canvas fingerprinting.

  • 5. How does Canvas Fingerprint Defender work?

    This addon has a very simple logic. If a website wants to generate a fingerprint with HTML canvas element for your machine, this addon interferes and adds a small random noise to the actual fingerprint. This way, no one can knows your real fingerprint while you are browsing internet and every visit a fake random fingerprint is reported. Please note that, this addon only protects you against canvas fingerprinting and NOT other kinds of digital fingerprinting techniques.

  • 6. How can I disable this addon?

    In order to disable this addon, please visit extensions page in your browser and click on the disable button. Please note that, this addon does not any toolbar button or options page.

  • 7. Does this addon has any options or settings to adjust?

    No, as mentioned above this addon does not need any adjustments. Simply add it to your browser and start using it.

  • 8. Is this addon available for mobile browsers?

    Yes, this addon is available for both desktop and mobile machines in all operating systems (Windows, Linux and Mac).

  • 9. Are there any other kinds of fingerprints other than canvas?

    Yes, there are many other types of digital fingerprints that can generated as you browser internet. For example, AudioContext or WebGL fingerprints. This addon only protects you against Canvas Fingerprinting. In future, support for other types of digital fingerprints will be added.

  • 10. Where can I find the privacy policy for Canvas Fingerprint Defender?

    Please read the privacy policy for this extension here.


Reporting Bugs

Your feedback goes a long way towards making this addon even better. With this feedback and bug report form, you can report bugs or suggest features/enhancements for the functionality or performance of this addon. Please note that this form will be sent to the developer(s) of this addon. You will not get an immediate or personal response at the moment. However, the developer(s) may contact you through the email address provided in this form for further clarifications or to request additional information regarding the reported bug(s).

If you want to rate or write a review for this addon in the official webstore, please press the - Rate this addon - button below.

Please enter the name of the extension (addon).

Please enter the current version of the extension.

Please be as specific as possible. Basically, describe what happened, what you were doing when it happened, and why you think it is a problem.

Describe the step-by-step process required to reproduce the issue you are reporting. Be specific when describing these steps by providing as much detail as possible.

Please try to leave a link to a screenshot for the specific bug or error report.

Please enter your operating system.

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Reviews | Discussions

Please note: keep these reviews/discussions clean, and avoid the usage of derogatory or inappropriate language or terminology in references to individuals or groups based on race, national or ethnic origin, color, religion, age, gender, etc. Do not submit bugs in your reviews, use the above bug-report section instead. Also, never post any personal information in these reviews.