Reviewer Firefox user 19141042 is delusional. This formerly useful extension is now completely broken and doesn't work on any sites including Amazon.

Works on all sites, except xenforo lightbox galleries. If possible, please implement this.
Advantages: centers images (thus can be used to overlap with other hovering addons in case some file types on a site are not working with one or the other, for full coverage), plays sound of webm, has action keys for immediate saving images (unfortunately a bit hidden in the advanced settings: "Enable saving media with action key"), has action keys to flip and rotate image (and thus is doing functions for which separate add ons are not necessary), has a good block list feature, good interface, one can lock images, start them zoomed to the max, etc.

It suddenly disappeared from my extension list and I can't re-install it neither.

It keeps saying 'Installation aborted because the add-on appears to be corrupt'.

Hover Zoom+ has worked well for most sites I've visited (and thankfully still does), but I've recently encountered an issue where it doesn't zoom on anything while browsing Twitch. I can mouse over a stream, and it'll act like it's trying to do something, but then it just infinite-loops without actually zooming in on anything, and I don't know if it's something Twitch did recently or what.

UPDATE: It seems to be working properly on Twitch again. Struggles a little bit to get going from time to time, but it does indeed work now.

doesnt work anymore. dev thinks everyone knows how to code to fix it rather than just fixing it themselves. will change to 5 if its fixed, because its good when it works. but it doesnt. it stops after a few minutes.

The latest update (March 21st, 2025) essentially broke the add-on. Hovering over any picture on any website no longer shows the zoomed in image. The hotkeys do not work and neither does adding the websites to the whitelist. You're better off running an older version until this gets fixed.

list of exceptions are gone, deleted. :(

just use Imagus

Simply love it. Used on chrome, now in FF. Thanks for awesome addon.

I want to be able to restrict which webpages this extension is allowed to work on, but it will only work if you give it access to all pages

Hover Zoom+ used to work on many sites in Firefox. I mainly used it to preview Flickr images. But now (October 2024) it doesn't work at all anywhere. Just a heads-up, folks. This extension is broken.