Browser extension into pages. Researchers have identified 50,870 Google Chrome extensions and 34,407 programs that injected ads. Thirty-eight percent of extensions and 17 percent of programs were catalogued as malicious software, the rest being potentially unwanted adware. Browser extension A browser extension is a plug-in that extends the functionality of a web browser. Some extensions are authored using web technologies such as HTML, JavaScript, and CSS. Others are developed using machine code and application programming interfaces (APIs) provided by web browsers, such as NPAPI and PPAPI. Browser extensions can change the user interface of the web browser without directly affecting viewable content
Brave (web browser) Brave (web browser) Brave is a free and open-source web browser developed by Brave Software Inc. based on the Chromium web browser . The browser blocks ads and website trackers. In a future version of the browser, the company intends to adopt a pay-to-surf business model. As of 2018, Brave supports Windows, macOS, Linux, Android, and iOS. The current version features 20 search engines by default, including their partner DuckDuckGo. Brave Software has announced that it is developing a feature allowing users to opt in to receiving ads sold by the company in place of ads blocked by the browser.