The free Thumbnail Zoom Plus add-on for Firefox shows the full image when you hover over a thumbnail or image link.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Pale Moon
- Firefox




Imagus is not available for Mac but there are some alternatives that runs on macOS with similar functionality. The best Mac alternative is Thumbnail Zoom Plus, which is both free and Open Source. If that doesn't suit you, our users have ranked nine alternatives to Imagus and six of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Imagus are Image Max URL, Hover Zoom, Image Preview (Chrome extension) and Hover for Safari.
The free Thumbnail Zoom Plus add-on for Firefox shows the full image when you hover over a thumbnail or image link.




A browser extension and userscript that finds larger or original versions of images for thousands of supported websites

Browse images galleries with ease: move the mouse cursor over thumbnails to view images in their full size without loading a new page. Pictures are automatically resized if they don't fit the window.




Finds links to images and youtube videos in the web page you're on and replaces the link with a lightbox popup.



Hover for Safari allows you to expand any image, link, or GIF just by hovering over it. With extensive support for popular websites, you'll be able to browse media-heavy content with ease. Say goodbye to clicking links and loading a new webpage just to view an image.


Zoom images inline on the current page by holding the right mouse button and scrolling the mouse wheel.