screenshotSeen Blocker for Facebook™ | Download Read your Facebook messages without notifying the sender.

Some of the important features about Seen Blocker for Facebook™ addon are listed below. This is followed by an overview about this addon. This summary contains few words about the addon, its function and 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 in this page or the contact form in 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. Next section is for submitting comments about this addon which uses facebook comments plugin. The last section is dedicated to reports submitted through the GitHub website. We hope the information provided in this page, could help you get all the basics you need about this addon and enable you to have a better experience with Seen Blocker for Facebook™.

Seen Blocker for Facebook™ allows you read your Facebook messages without letting Facebook from reporting your seen status to the sender by blocking the request. As a result your friends will not see the 'Seen' label when you read their messages. The extension can simply be activated from the toolbar button and it will preserve its last activation status across sessions. Please check the YouTube Tutorial at the bottom of this page 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.

3 Reasons to Use Seen Blocker for Facebook™

  • Disables sending read reports to your friends

  • Allows seen notification from friends

  • Can be easily toggled on and off from the toolbar button


  • Social media and specially Facebook has come to play an inarguably crucial role in our lives today. Social media platforms like Facebook play a central role in our work, education, and entertainment; in addition to keeping us in touch with family and friends around the world. Staying up to date with the latest happenings on social media is also important, and it is important not to miss any messages which may be of vital importance. However, the evolution of social media has also brought about a new etiquette and standard of expected behavior that users must adhere to. If you want to stay updated with your social media feed, but don't want to be bothered with replying, it is imperative you use a tool like Facebook™ Seen Blocker to hide your status.

    Facebook™ Seen Blocker is an innovative add-on designed to protect your privacy and online activity. Specially designed for use with Facebook, this add-on allows you to access and read messages without divulging your "seen" status to the sender. This means that while the extension is active, your friends on Facebook won't know when you have read their messages. The extension can be activated from a convenient toolbar button with a single click. It will also maintain the last activation status across multiple Facebook sessions. While it will disable sending the "seen" or "read" status to people who send you messages, the extension will still allow you to see the latest notifications and updates from friends. Once you are feeling up to it, you can easily turn Facebook™ Seen Blocker off from the toolbar button and chat with your friends normally. This add-on can also incorporate your changes via GitHub, so if you have any suggestions, move them to a named branch. You can also Fork it on GitHub, in order to promote its amazing functionality and simple but useful interface.

Frequently Asked Questions

  • 1. What is Facebook™ Seen Blocker?

    Facebook™ Seen Blocker is a light-weight browser extension that prevents seen notification being sent by Facebook and hence your friends won't be able to verify you have read their chats. The extension however lets you see the seen notification of your friends during chats.

  • 2. What's new in this version?

    See our version history page at the Firefox add-ons site for details about this update.

  • 3. How does Facebook™ Seen Blocker work?

    The logic behind this extension is very simple. You can read How Can I Turn Off "Seen By" Messages in Facebook Chat? published at for more info about how the extension works.

  • 4. How can I activate the extension?

    Once this extension is installed, there's nothing really much you need to do. Just click on the toolbar button. When the color turns to green, it will block specific web requests to disable read receipts from Facebook.

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    Submitting Bugs

    Your feedback goes a long way towards making this addon even better. With this Bug report form, you can submit bugs or suggest enhancements for the functionality or performance of this addon. Please note, this bug report 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 requesting additional information regarding the reported bug(s).

    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.

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    Comments | Reviews

    • Please note: keep these reviews 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.

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