Alternatives to Hover Free for all platforms with any license

Imagus

The extension is intended to complement image features that (I think) is missing from Opera by default or give features that are just simply useful. Hover zoom ...

Free Mac Windows Linux Chrome Safari ... Maxthon Opera Firefox
Google Chrome Extensions Firefox Extensions Opera extension Safari extension Add a feature

31 Like
Thumbnail Zoom Plus

The free Thumbnail Zoom Plus add-on for Firefox shows the full image when you hover over a thumbnail or image link. Supported sites include Amazon, Bing, Facebook...
- Discontinued The extension is not compatible with Firefox 57. It still works on XUL-based Firefox forks like https://alternativeto.net/software/waterfox/ and https://alternativeto.net/software/palemoon/
Free Open Source Mac Windows Linux Pale Moon Firefox
Firefox Extensions Legacy Firefox Addon Add a feature

12 Like
ezLinkPreview

Browse more efficiently: Preview links and images without leaving your current tab. Mouseover any link and click the 'ez' icon (or press ALT and mouseover link)...

Free Mac Windows Linux Chrome
Preview links Google Chrome Extensions Add a feature

3 Like
Hover Zoom

Enlarge thumbnails on mouse over. Works on many sites (Facebook, Twitter, Flickr, Reddit, Amazon, Tumblr, etc).
- Warning As written at http://www.reddit.com/r/technology/comments/1t4ubn/hoverzoom_for_chrome_is_infected_with_malware/ , it seems to contain malware. Be careful!
Free Mac Windows Linux Chrome OS Chrome
Google Chrome Extensions Add a feature

6 Like
Zoom

A browser extension that zoom in the current open webpage with a slide.

Free Open Source Mac Windows Linux Chrome OS Chrome ... Safari Opera Firefox
Google Chrome Extensions Firefox Extensions Opera extension Safari extension Add a feature

2 Like
ImagePreviewer

Opis This extension shows a popup with an image preview when hovering over link that points to an image file or a page with an image. This extension uses...

Free Mac Windows Linux Opera
High-resolution images Opera extension Image Preview Add a feature

2 Like
Image Preview (Chrome extension)

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

Free Open Source Mac Windows Linux Chrome
Google Chrome Extensions Add a feature

2 Like
ImgTip

Shows image popup when hovering link that points to an image file or to image preview page. Indirect image links are supported Facebook, DeviantArt...

Free Open Source Mac Windows Linux Opera
Opera extension Add a feature

1 Like
Thumbnail Zoom

Shows a full size image when you hover over thumbnails on popular websites like Facebook, Twitter or Amazon. The addon shows a floating panel with the full size of a...
- Discontinued Not compatible with Firefox Quantum. URL also unavailable.
Free Open Source Mac Windows Linux Firefox
Firefox Extensions Add a feature

0 Like
Image Preview (Firefox addon)

Preview image when mouse over image link.
- Discontinued The extension is not compatible with Firefox 57. Last version, 0.0.11.1, released in January 2015, still works on XUL-based Firefox forks like https://alternativeto.net/software/waterfox/ and https://alternativeto.net/software/palemoon/
Free Open Source Mac Windows Linux Pale Moon Firefox
Firefox Extensions Legacy Firefox Addon Add a feature

0 Like
ImageZoomer

Zoom images inline on the current page by holding the right mouse button and scrolling the mouse wheel. How to use: * Hold the right mouse button on an image...

Free Mac Windows Linux Chrome
Google Chrome Extensions Add a feature

0 Like
iFrame - Link Viewer

Preview any link in a pop-up frame without leaving current page, eliminating the need to go back to navigate to other links. Very useful for exploring Google search...

Free Mac Windows Linux Web Opera
Opera extension Add a feature

0 Like