Kindle devices appeal to many people. When everything works, they're great. But Amazon is becoming more and more finicky, both in terms of supported formats and the freedom to manage your own books.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Kindles used to only ...

kindle colorsoft black and white pdf, kindle colorsoft pdf, send to kindle The Amazon Kindle Colorsoft has a massive issue for those who want to read PDFs in full colour. If you use Calibre on the PC ...

If you've recently sideloaded a book (or other document) onto your Kindle device, you may not be able to access it right now.

Your Kindle device can be a more productive way to work on your documents for reading and annotation. Even documents encrypted with DRM technology can be read on the ...