ตัวแปลงไฟล์ออนไลน์ฟรี PEF เป็น DJVU

This format is used to create RAW photos on Pentax cameras. It stores the full set of data obtained by the camera's sensors during a shoot. It allows you to fine-tune lighting, shadow, and exposure parameters while retaining all the details and the original quality of the photo.

DjVu is a computer file format designed primarily to store scanned documents, especially those containing a combination of text, line drawings, indexed color images, and photographs. It uses technologies such as image layer separation of text and background/images, progressive loading, arithmetic coding, and lossy compression for bitonal images.