Feature | STDU Viewer | Document Viewer |
---|---|---|
Portable | ||
Support for regular expressions | ||
Tabbed interface | ||
Lightweight | ||
Low memory usage | ||
Highlighter | ||
Optimal performance | ||
PDF annotation | ||
Fill PDF Forms | ||
Edit PDF | ||
Handwriting recognition | ||
Multiple languages | ||
Export to PDF | ||
Document annotations | ||
Sync between devices | ||
iPhone/iPod sync | ||
Night mode/Dark Theme | ||
PDF OCR | ||
Clean design | ||
Customer support | ||
Cross-platform | ||
Vim key mapping | ||
Built-in Image converter | ||
Supports BPG image format | ||
Customizable | ||
Batch conversion | ||
Built-in e-Book converter | ||
Built-in viewer | ||
Annotations and Flashcard Review | ||
Ebook cloud sync | ||
Sync across Devices | ||
Indexed search |