Feature | PDF-XChange Viewer | Firefox PDF Viewer (PDF.js) |
---|---|---|
Multiple languages | ||
PDF OCR | ||
Side-by-Side View | ||
Clean design | ||
Customer support | ||
Customizable | ||
Extract annotation | ||
Font identifier | ||
Lightweight | ||
Note extraction | ||
PDF annotation | ||
Portable | ||
Stamps | ||
Low memory usage | ||
Highlighter | ||
Optimal performance | ||
Fill PDF Forms | ||
Edit PDF | ||
Handwriting recognition | ||
Export to PDF | ||
Scan documents | ||
File transfer | ||
Freehand Writing | ||
Document annotations | ||
Sync between devices | ||
Cross-platform | ||
Vim key mapping | ||
Add/remove pages | ||
Bates numbering | ||
Browser integration | ||
Browser extension | ||
Built-in Image converter | ||
Image resizing | ||
Google Chrome extension | ||
Firefox extension | ||
Google Chrome Extensions | ||
Firefox Extensions | ||
Support for Javascript | ||
Opera extension | ||
Google Drive integration | ||
Night mode/Dark Theme | ||
Ad-free |