無料オンラインJPEからRBへのコンバーター

JPE is an extension used as an optional alternative for JPEG images. It is usually used by digital cameras. For example, some Sony cameras are able to save a high quality JPG image along with the low-res copy in JPE for sending via email.

Was developed for the first mass-produced e-book reader – Rocket eBook. The format is written in Ruby. RB files are containers holding the entire content for a Rocket eBook device. It has DRM protection capability which is not used in the books published at present due to the format’s lack of popularity.