Free Opener opens a large variety of files without any hassle. Developed by EZ Freeware, LLC.
License: Free
MuPDF is a free and open-source software framework written in C that implements a PDF, XPS, and EPUB parsing and rendering engine. It is used primarily to render pages into bitmaps, but also provides support for other operations such as searching and listing the table of contents and hyperlinks. Developed by Artifex Software, Inc.
License: Open Source
Feature | Free Opener | MuPDF |
---|---|---|
File compression | ||
Document reader | ||
File Compression | ||
Compression | ||
Ad-free | ||
Auto update | ||
Built-in themes | ||
Windows Explorer integration | ||
Customizable | ||
Frame Doubling Interpolation | ||
Frame interpolation | ||
Support for subtitles | ||
Built-in player | ||
Support for FTP | ||
Built-in Browser | ||
Built-in Download Manager | ||
Extensions | ||
Windows Explorer extension | ||
Integrated Search | ||
Raw Photo processing | ||
Sign PDF files | ||
Batch processing | ||
Cloud Storage | ||
Integrated Virus scanner | ||
Password management | ||
Facial recognition | ||
Quick enhancement for photos | ||
Editing photos | ||
Image Editing | ||
Lightweight | ||
Cross-platform | ||
Portable | ||
Vim key mapping | ||
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 | ||
PDF OCR | ||
Clean design | ||
Customer support | ||
Built-in viewer | ||
Scan documents | ||
Add/remove pages | ||
Browser integration | ||
Browser extension | ||
Google Drive integration | ||
Night mode/Dark Theme | ||
Create PDF files | ||
Print to PDF | ||
Export annotations | ||
Notetaking | ||
Vi keybindings | ||
Superb keyboard navigation | ||
File transfer | ||
Freehand Writing |