Open Chrome
Click the three-dot menu
Select Settings
Click Privacy and security
Click Site settings
Click Notifications
Turn off Sites can ask to send notifications
Remove allowed sites from the Allow list
Remove blocked sites from the Block list if needed
On Android, open Chrome
Tap the three-dot menu
Tap Settings
Tap Site settings
Tap Notifications
Turn off notifications or remove site permissions
On iPhone or iPad, open Settings
Tap Notifications
Tap Chrome
Turn off Allow Notifications
On Windows or Mac, open system notification settings
Find Chrome
Turn off Chrome notifications