No longer maintained, see https://github.com/diessica/no-seen/issues/7#issuecomment-2389106201. Open for future collaborations on the topic of digital privacy.
A browser extension that blocks "seen" marks, because privacy.
Currently supporting Facebook and Instagram.
Works for Chrome, Firefox, Opera, and any browser that supports WebExtensions.
The extension is available on the following stores: Firefox addons, Opera addons, and Chrome Web Store.
For manual installation, download the latest release, unpack it, and load manually as an unpacked extension in your browser. (See tutorial: Loading an unpacked extension)
You can disable No Seen for a specific website by going to the extension preferences in all browsers except Chrome.
MIT