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Clear cache and cookies in Mozilla Firefox

To clear cache and cookies in Mozilla Firefox: open Privacy & Security → Clear Data, select Cached Web Content (and Cookies if needed), then Clear. Firefox stores cache separately from Chrome, so clearing it often restores sites that already work in another browser.

Steps to clear cache and cookies in Mozilla Firefox

  1. Click the menu button → Settings (Preferences on older Mac builds).
  2. Open Privacy & Security.
  3. Under Cookies and Site Data click Clear Data…
  4. Select Cached Web Content and optionally Cookies and Site Data → Clear.
  5. Alternatively use Ctrl+Shift+Delete to open the Clear Recent History dialog and choose Cache.

Hard refresh in Mozilla Firefox

Press Ctrl+F5 or Ctrl+Shift+R (Cmd+Shift+R on Mac) on the problem page. If that fails, clear Firefox cache and cookies with the full steps above.

Clear cache and cookies in other browsers

Is It Down Now: Clear browser cache step by step