Supports: TXT, EPUB, FB2, HTML, PDB & PDF, per their downloadable user manual for the EB106. However, the conversion website *which shall not be named* does NOT support the device. Sigh... I will continue to look at my other bookmarks & notes, as I do believe that I had found a work around. Hopefully that was not the only one. If it is, does that mean that I can't download ANY DRM files? If so, this will be a nifty portable MP4 movie player...