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Functionality & UI
2025年10月13日

Automatically Enlarge Images on Mouse Hover — HoverZoom+

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Links for Chrome and Edge desktop versions

There are many occasions when you want to inspect image details while browsing. In particular, it can be frustrating when copying images from sources like Google Image Search reduces their quality. HoverZoom+ is a Chrome extension designed to address this issue — simply hovering the mouse over images on supported sites automatically enlarges them.

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Features and Functionality of HoverZoom+

FeatureDetails
Automatic enlargement of images on supported sitesImages are automatically enlarged to their original size simply by placing the mouse over them.
In-browser display of enlarged imagesEnlarged images are displayed so they fit within the browser window for comfortable viewing.

Use Cases for Efficient Image Enlargement and Saving

Users / SituationsUse Cases
Users who want to inspect image detailsAccurately enlarge images from search results or websites to check details.
Users troubled by image quality degradationResolve issues where image quality drops (e.g., in Google Image Search) and quickly display the original size.
Those who want to streamline image savingReduce the burden of download operations like right-clicking and make saving images easier.
Users who want per-site control of functionalitySwitch extension settings finely based on the tab's URL.

Usage Tips

  • Install HoverZoom+ from the Chrome Web Store.
  • After installation, hovering the mouse over images will automatically enlarge them.
  • In the settings screen you can freely toggle the feature on or off and adjust site-specific behavior.
  • For more information and the latest version, see the HoverZoom+ page on the Chrome Web Store.

User Feedback

  • Thank you! I was struggling with image quality dropping when copying and pasting from Google Images, but this has helped.
  • One of the best extensions! It's easy to change how features are enabled in the settings, making it user-friendly.
  • I've used it for a long time and was disappointed when it was disabled. There is no good alternative; it's the most intuitive and easy to use.
  • This extension greatly reduces the time spent on image searches. It's convenient to view images in detail without clicking.

Impressions from Use

There was originally a "HoverZoom" without the plus, but spyware was reportedly discovered, and volunteers have rebuilt it as an open-source project. It does not work on every site; support appears to be based on popular sites. Personally, the features I wanted were implemented successfully, so I am satisfied.

Security and Privacy Considerations

HoverZoom+ complies with the GitHub Privacy Policy and does not collect tracking statistics on user behavior. Data transmission and secondary use are also strictly restricted by design, ensuring privacy protection.

Additionally, the extension's permissions are kept to a minimum to reduce security risks during installation. These measures are key reasons it is regarded as a safe, spyware‑free Chrome extension.

Achieve Efficient Image Viewing with HoverZoom+

HoverZoom+ is an open-source Chrome extension that balances privacy protection and lightweight operation and is suitable for those seeking image enlargement, hover-zoom, and improved image display.

It can be a strong option for those troubled by image quality degradation or who want to streamline image saving. For details, please see the HoverZoom+ page on the Chrome Web Store.


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