Replace all images on a webpage with an image specified by a URL.
Currently, it is not hosted on the Firefox Add-ons Store. So to install it you'll need:
- Download this repo as a ZIP and extract it
- Open Firefox and navigate to
about:debugging#/runtime/this-firefox
- Then click on
Load Temporary Add-on...
- Navigate to the extracted folder and select the
manifest.json
It should pop up in your extensions, and you can pin it to your toolbar.
- Click the Image Replacer icon on the Firefox toolbar to open it up
- Type in the URL of the image you want to swap in
- If you want, choose how the image should show up from the dropdown menu
- Hit the "Replace Images" button and you're all set!