Why an extension
The extension brings three questions to a donation page: symptom or source, what would happen anyway, and how anyone would know if it worked. It offers a pause to think about the system behind a gift, including the debated effects described in the Story Bias.
Privacy by construction
The extension reads the page title to suggest a lookup, and the lookup opens only when you click. The name travels after #q= in the address, which stays in your browser instead of entering the page request. It makes no background network requests, has no analytics and stores one thing: the sites where you chose to hide the card. Its permissions are activeTab, which lets the popup read the active tab when you click the icon, and storage. Read the privacy notice or inspect the source.
What it isn’t
It doesn’t rate charities or fundraisers. The card can be dismissed, and it does not alter the donation form or handle money.