Read with Instapaper Web extension for Firefox
Read webpages distraction free or save them for later with Instapaper. Requires a free account with Instapaper.
This extension gives you quick access to parsing web pages with Instapaper, or saving them aside so you can read them later.
The extension is available for Firefox for computers and Firefox for Android. The extension is free and open source software. You can get the source code and report issues on GitHub.