
Image URL Overlay by David Cordero
Image URL Overlay is a lightweight Firefox extension that displays an overlay on every image on a webpage, showing its source URL
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You'll need Firefox to use this extension
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About this extension
Image URL Overlay is a lightweight Firefox extension that displays an overlay on every image on a webpage, showing its source URL.
It supports responsive images (<picture>, srcset) and ensures the overlay always fits within the image boundaries. Ideal for developers, designers, and content auditors who need to quickly inspect image sources.
It supports responsive images (<picture>, srcset) and ensures the overlay always fits within the image boundaries. Ideal for developers, designers, and content auditors who need to quickly inspect image sources.
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Permissions and dataLearn more
Required permissions:
- Access your data for all web sites
More information
- Add-on Links
- Version
- 1.0.4
- Size
- 4.3 MB
- Last updated
- 3 months ago (28 Apr 2025)
- Related Categories
- Licence
- MIT Licence
- Version History
- Add to collection
Release notes for 1.0.4
Small fixes and improvements
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