Unseenly extension is for hiding the seen feature in Facebook chat. Currently this extension will work on www.facebook.com, m.facebook.com and messenger.com All you have to do is just install the extension and you are good to go. You can easily toggle the extension ON and OFF by clicking the unseenly icon from your extensions list. This is completely free, secure and free from malware and no unwanted pop-ups.
You can Follow the below Step By Step procedure to install the Unseenly Chrome Extension to your Chrome Web browser.
It is the Unseenly Chrome extension download link you can download and install Chrome Browser.
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