Don't "Accept" image/webp

This extension removes image/webp and/or image/avif from the list of formats Firefox tells sites that it accepts. That discourages many servers from replacing JPEG and PNG images with WebP/AVIF. (But some may send them anyway; they aren't blocked.)

• Overview
• Download
• Source
• Reviews
• Trends
• Toggle Dropdown
  • Source
  • Reviews
  • Trends

Don't "Accept" image/webp is available to install from Firefox Browser Add-ons and for download from this page. It has 23,316 active users The latest version is 0.9, and it was published 6 months ago.

All available versions

You can find the current and older versions of Don't "Accept" image/webp here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

How to install Don't "Accept" image/webp from an XPI file

1. Simply drag-and-drop the XPI into Firefox to install the add-on.

How to install Don't "Accept" image/webp from a ZIP file

1. Download the Don't "Accept" image/webp ZIP file
2. In Firefox browser, go to about:addons to open Add-ons Manager
3. Click on , then select Install Add-on From File
4. Select the Don't "Accept" image/webp ZIP file from step 1. Don't "Accept" image/webp is now installed on your browser.