Free Opener vs Viewnior : Which is Better?

Free Opener

Free Opener opens a large variety of files without any hassle. Developed by EZ Freeware, LLC.

License: Free

Categories: File Management Office & Productivity Photos & Graphics Video & Movies

Apps available for Windows

Viewnior is a fast and simple image viewer for GNU/Linux. Developed by Siyan Panayotov

License: Open Source

Categories: Photos & Graphics

Apps available for Linux Xfce

Feature	Free Opener	Viewnior
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
Fullscreen support
Lightweight
Command Line support
Batch conversion
Batch rename files
Batch Editing
Sorting by tags
Crop images
Multiplatform
Extensible by Plugins/Extensions
Portable
Play as Movie
Image Preview
Built-in editor
Built-in Image converter
Image resizing
Edit PDF
Fill PDF Forms
Animation editor
GIF support
Slide Show
Animation