Google Chrome:
  1. Open Chrome.
  2. On your browser toolbar, click the Chrome menu Chrome menu.
  3. Click More tools > Clear browsing data.
  4. In the box that appears, click the checkboxes for "Cookies and other site and plug-in data" and "Cached images and files."
  5. Use the menu at the top to select the amount of data that you want to delete. Choose beginning of time to delete everything.
  6. Click Clear browsing data.

Fire Fox:
  1. Click the menu button New Fx Menu and choose Options.
  2. Select the Advanced panel.
  3. Click on the Network tab.
  4. In the Cached Web Content section, click Clear Now.
clear cache incontent

Safari:
  1. In the Safari menu bar, click the Safari option.
  2. Click the Clear History link.
  3. In the Clear drop-down menu, select the time range where you want to clear browsing data.
  4. Click the Clear History button.