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Viewing images
View several types of image files, including JPG, GIF, HDR, TIFF, PSD, PICT, PNG, BMP, RAW, and SGI. Then rotate, resize, crop, and convert them.

Viewing PDF files
Read, search, and add notes to PDF files.

Annotating
Add your own notes, highlight text to remember, and circle sections you don't want others to miss.