Open Finder
Click Go in the menu bar
Select Go to Folder
Type `~/Library/Caches`
Press Return
Open each folder and delete the files inside
Empty the Trash
Open Finder
Click Go in the menu bar
Select Go to Folder
Type `/Library/Caches`
Press Return
Delete files inside folders you want to clear
Empty the Trash
Open Safari
Click Safari in the menu bar
Select Settings
Click Privacy
Click Manage Website Data
Click Remove All
Open Chrome
Click the three dots
Select Settings
Click Privacy and security
Click Clear browsing data
Choose Cached images and files
Click Clear data
Open Firefox
Click the menu button
Select Settings
Click Privacy & Security
Under Cookies and Site Data, click Clear Data
Select Cached Web Content
Click Clear
Restart your MacBook Pro