Ultra Zoom, compared
If you came up with Hover Zoom, Imagus, or Thumbnail Zoom Plus, Ultra Zoom keeps the workflow you know — hover preview, gallery navigation, theater mode, reverse image search — and adds active development, native Manifest V3 builds, on-device AI upscaling, and zero telemetry. Pick the comparison that fits where you’re coming from.
Direct alternatives
- vs. Hover Zoom — The original — and the privacy scandal that started the migration.
- vs. Hover Zoom Plus — The community fork. Useful, but light on active development.
- vs. Imagus — Sieve rules, gallery navigation, theater mode — kept and improved.
- vs. Thumbnail Zoom Plus — The classic Firefox extension that broke when legacy add-ons retired.
- vs. Mage — Yet another Hover Zoom fork — minus the active maintenance.
- vs. Magic Actions — YouTube enhancements, broadened to every video and image host.
Adjacent tools
- vs. Zoom Page WE — Page-level zoom is a different problem — when do you need each?
- vs. Image Search Options — Reverse image search, built into the hover-zoom workflow.
- vs. Chrome built-in zoom — Why hover-zoom hits the source image and Ctrl+= can’t.
- vs. Firefox built-in zoom — The Firefox-native image zoom story, and what hover-zoom adds.
Vertical & roundups
- vs. MLS photo viewers — Bright MLS, Stellar, CRMLS, MRED — full-resolution previews on every listing.
- vs. AI image upscalers — Upscayl, waifu2x, Let’s Enhance — and on-device upscaling in your browser.
- Best Hover Zoom alternatives — A roundup of every option, ranked by privacy, maintenance, and parity.
- Best Imagus alternatives — Sieve-rule users moving on — what works, what doesn’t, what to expect.
Try it free
The core extension is free forever, with the entire site catalogue. Pro is a 7-day free trial when you’re ready — see plans.