Fraud Blocker is a free Chrome add-on developed by tomasbortoli. It falls under the category of Browsers and is specifically listed as an Add-ons & Tools subcategory.

The main purpose of Fraud Blocker is to protect users from online fraudulent sites. It achieves this by blocking access to sites that are confirmed to be fraudulent according to its database. Additionally, the add-on provides a warning through an on-page toolbar when accessing a site that has been reported by users but has not yet been confirmed as fraudulent by the developers.

One of the unique features of Fraud Blocker is that it allows users to actively participate in the system by reporting fraudulent sites. This feedback-based system ensures that the add-on stays up to date and provides the best protection possible.

Overall, Fraud Blocker is a valuable tool for Chrome users who want to safeguard themselves from online fraud.