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Really helpful to work for papers.. Thanks!

Works great with a lot of papers!
Good Work!

Please provide a link on the homepage for Firefox for Android also, not only for desktop Firefox.

Open Access truly made simple.
This is the best single purpose add-on I really love.
Kudos to Jason and Heather, but also Kudos to all the people worldwide putting the effort in making Open Access happening (making deals, deposit author versions, creating funds, flipping journals, etc. ) Without that combined effort this add-on was not possible.

I fully support the idea of Unpaywall and think the way they implemented it is truly awesome.

Available preprint versions are not yet found. At least not for the articles I tried. But maybe that is a good thing...

Works seamless. A very important work.

I've been using this for the past couple of weeks (initially on Chrome and now on Firefox) and it is simply the single best way out there to quickly find and read legally open versions of paywalled journal articles. The interface is super easy and intuitive and it's now a part of my everyday toolkit.

COI: I volunteer on the Board of Directors for Impactstory, the non-profit that makes this add-on.

Unpaywall does now indeed work on both Firefox and Chrome. Kudos to you.

Bonus points for "for the Open Access nerds: the Unpaywall tab can change colors to indicate Green or Gold OA, too. Enable it in settings."

This add-on has helped me find a lot of research papers I needed for my thesis. Please keep up the good work. I am amazed it has been this useful in so little time but I found a solid 90% of the research papers I needed!