SpotDiff by Duc
Compare two images with a before/after slider directly in the browser popup. Load from local files or URLs. Save last settings.
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Extension Metadata
About this extension
SpotDiff — Compare two images directly in the browser: Concept: Drag two images into a popup, the extension allows you to slide the bar to compare the differences (before/after slider). Features: load local or URL, save settings. Unique: like “before-after image slider” but a lightweight extension. Difficulty: low-medium.
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Permissions and data
Optional permissions:
- Access your data for all web sites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0
- Size
- 12.18 kB
- Last updated
- 5 months ago (4 Nov 2025)
- Related Categories
- Licence
- All Rights Reserved
- Version History
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