Open Safari
Click Safari in the menu bar
Select Settings
Go to the Privacy tab
Click Manage Website Data
Click Remove All
Click Remove Now
Open Google Chrome
Click the three dots in the top-right corner
Select Settings
Click Privacy and security
Click Delete browsing data
Choose Cookies and other site data
Click Delete data
Open Firefox
Click the menu button
Select Settings
Click Privacy & Security
Go to Cookies and Site Data
Click Clear Data
Select Cookies and Site Data
Click Clear
Open Microsoft Edge
Click the three dots in the top-right corner
Select Settings
Click Cookies and site permissions
Click Manage and delete cookies and site data
Click See all cookies and site data
Remove the cookies you want
Open Finder
Click Go
Select Go to Folder
Enter ~/Library/Cookies
Delete cookie files if needed
Restart the browser after deleting cookies