Yahoo & Gmail Ad Blocker

Hide advertising containers in Gmail and Yahoo Mail and reclaim ad space in short Yahoo inbox lists.

Yahoo & Gmail Ad Blocker hides selected advertising containers in the desktop web versions of Yahoo Mail and Gmail. HOW IT WORKS The extension applies lightweight, packaged CSS rules when you open mail.yahoo.com or mail.google.com. It works locally in your browser, with no account setup or additional subscription required to use the extension. PRIVACY No analytics, tracking, external requests, or personal data collection. The extension contains no JavaScript and does not read or transmit your messages. SCOPE AND LIMITATIONS This extension hides supported ad containers. It does not unlock paid mail features, block every ad format, or apply to mobile mail apps. Coverage may vary as Yahoo Mail and Gmail change their layouts. To disable it, use Chrome's Extensions settings. An independent extension, not affiliated with or endorsed by Yahoo or Google.