Tools that are open-source (like uBlock Origin) allow the community to audit their code, making it much harder for developers to hide malicious features.

Most users who want maximum protection with minimum fuss. Availability: Chrome, Firefox, Edge, Safari. 2. AdGuard

Not to be confused with "uBlock," is an open-source, "wide-spectrum" blocker. It is famous for being incredibly light on CPU and memory usage. It doesn't have an "acceptable ads" program, meaning it doesn't take money from advertisers to let their ads through.

If a simple extension asks for access to your webcam or location, steer clear.

Never download an .exe or .dmg file from a random website for a browser extension. Use the Chrome Web Store , Firefox Add-ons , or the Microsoft Store .