Mediamatic PRO - Best file & Image manager for OpenCart

DEMO:
https://www.youtube.com/watch?v=LNm6vTJi_0c

Keep all of your media files organized in folders and subfolders, including photos, videos, and music. You can also place media in multiple subfolders, such as images used on different pages.

- Feature rich
- Upload multiple images
- Drag & Drop feature
- Multiple image insert
- Works separately from OpenCart's file manager
- Works Everywhere in system administration
- Compatible with most popular themes and modules
- Based on the most advanced file manager elFinder
- Fast & Responsive

Other features:
Create new folders
Create and organize subfolders
Drag and drop media
Drag and drop folders, change order, and hierarchy
Bulk select images and media files and drag them to any folder
Rename folders
Easily see subfolders within each file
Resize folders menu
Upload multiple files/folders
Search image/folder
Image Resize/Rotate/Crop
Sorting
Full screen option
Move and Copy Images
Drag & Drop files
Quicklook, preview for common file types
Archives create/extract (zip, rar, 7z, tar, gzip, bzip2)
...and many more