Image Resizer by Image Resizer
Resize and compress JPEG, PNG, and WebP images privately in Firefox.
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About this extension
Image Resizer lets you resize and compress images directly in Firefox.
Choose one or more JPEG, PNG, or WebP files, set width and height, keep the aspect ratio or change dimensions independently, choose an output format, and download the processed images.
The extension processes images locally in Firefox. It does not upload images to a server, does not require an account, and does not collect analytics or browsing history.
Choose one or more JPEG, PNG, or WebP files, set width and height, keep the aspect ratio or change dimensions independently, choose an output format, and download the processed images.
The extension processes images locally in Firefox. It does not upload images to a server, does not require an account, and does not collect analytics or browsing history.
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Permissions and data
Required permissions:
- Download files and read and modify the browser’s download history
- Access browser tabs
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 29.73 KB
- Last updated
- 6 days ago (Jul 22, 2026)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection