The extension does not record your browsing history, capture your passwords or bank account numbers, or secretly collect or change data you submit on a web form. It's important to know that just because AdBlock can see everything on a web page, it doesn't mean it actually does anything with it. Over 100 million users trust it to block ads while they surf the web and its Chromes most.
This could include sensitive information like passwords, phone numbers, and credit cards." Although the exact wording depends on which browser you use, the warnings all sound a little scary. It will look something like this: "AdBlock can read, modify, and transmit content from all web pages.
When you install AdBlock for the first time, AdBlock will request some permissions to operate within your browser.