In addition to books bought from the firm, users can read DRM-free or watermarked ebooks as well as documents uploaded by users to their txtr cloud library.
The service, which works on Chrome, Firefox, Safari and Internet Explorer for PC or Mac, is powered by software developed by the Readium Foundation.
Users can adjust the font size, the margins and choose between a one- or two-page-layout as well as access the table of content and go to specific chapters within their book.
Ulf Stahrenberg, COO of txtr, says: “As a key contributing member to the Readium Foundation, we are committed to bringing an open and qualitative e-reading experience to users across all platforms.
“We are currently working on the integration of the Readium SDK in our Android and Windows 8 ebook apps.”