1.From the Menu button in the upper-right corner of the Chrome window, choose More Tools > Clear browsing data.Press CTRL + Shift + Delete keys in Windows or Linux, or Command + Shift + Delete keys on MacOS.Select Menu > Settings > Advanced > Clear browsing data.
2.Select the period of time you wish to delete cached information using the Clear the following items from drop down menu. From there, you can choose Cached images and files.
3.Select the Clear browsing data button, and Chrome will clear your cache
2.Firefox
1.Click the menu button and choose Options.
2.Select the Privacy & Security panel.
3.In the Cached Web Content section, click Clear Now.
4.Close the about:preferences page. Any changes you've made will automatically be saved.