Upload to Danbooru by ZipFile

Replacement for bookmarklets with better referrer handling.

Usage

Upload post via context menu:

1. Find a picture on the web
2. Right click on the image
3. Click Upload to Danbooru

Upload post via page action:

1. Navigate to one of the supported sites
2. Navigate to the image view page
3. Click on the Danbooru ("cardboard box") icon in the address bar (multiple images automatically detected)

Note: Although this extension allows you to upload images from any website, you should be careful to not to upload thumbnail/sample from sites not supported by Danbooru. List of the supported sites can be found here.