Detect zoomable images in web pages and download them with dezoomify.

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  • Dezoomify
  • Dezoomify
  • Dezoomify
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What is Dezoomify?
"Dezoomify" is a Firefox add-on that detects zoomable images in various web pages and lets you download them using an underlying technology called dezoomify. The add-on works by intercepting network requests made by websites, then finding zoomable images by matching request addresses against known patterns. Just open a zoomable image, click the magnifying glass icon in the address bar, and download. It supports a variety of popular websites and zoomable image technologies.
Users: 2,278 ▲ 33
Rating: 4.57 (14)
Version: 1.0.1 (Last updated: 2021-08-12)
Creation date: 2020-01-03
Weekly download count: 50
Firefox on Android: Yes
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • activeTab
  • webRequest
  • contextMenus
  • <all_urls>
Size: 3.76M
URLs: Website
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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This browser extension detects zoomable images in web pages and allows you to download them with dezoomify.

Just install the extension, open a zoomable image in your browser, click the magnifying glass icon in the address bar, and you'll be able to download the image.

This add-on works by intercepting network requests made by websites. It then searches for zoomable images in them by matching the requested addresses against a set of known patterns. When a zoomable image is found, it adds a small button in your address bar that allows you to download the image with dezoomify.

For more information about dezoomify, see:

We also have a video tutorial demonstrating the use of the extension:

This addon is a free software. See its source code at:

The list of supported websites includes but is not limited to :

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User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Saves time and hassle by automating the process of extracting full resolution images
  • Useful for accessing out-of-copyright archival imagery
  • Works well for high resolution image extraction
  • Misses chunks when downloading images, resulting in black squares in completed images
  • May not work perfectly for all websites
Most mentioned
  • Very useful and practical
  • Saves a lot of hassle and time
  • Useful for accessing out-of-copyright archival imagery
Recent reviews
As I desperately needed this photo to extract the Intel 1103 DRAM die photo at a high resolution so I can teach my students, this extension was a godsend when a website is silly enough to not provide a direct download link.

by Ollie, 2024-02-05
View all user reviews
Risk impact

Dezoomify is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Dezoomify if you trust the publisher.

Risk likelihood

Dezoomify has earned a fairly good reputation and likely can be trusted.

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