1. Decide what you are trying to fix
A stale page and a full Mac drive are different problems. Clearing cached page resources can help troubleshoot outdated content, but it may recover little storage compared with a video download or project library. If storage is your goal, check the browser’s reported usage and your Mac’s available space first.
Save web forms and finish uploads before starting. Check which browser profile you are using, especially if you have separate work and personal profiles. A cache is recreated as you browse. Clearing it is a one-time change, not a promise that browser storage will remain small.
2. Clear Safari’s cache
In current Safari for Mac, choose Safari → Settings → Advanced and enable “Show features for web developers.” Then choose Develop → Empty Caches. Apple describes this command as clearing browser caches, including when cached content prevents a developer from seeing page changes.
Older Safari versions may call the setting “Show Develop menu in menu bar,” and Settings may be called Preferences. Use the matching option for your version. Clear History and Privacy → Manage Website Data are different controls: do not choose a broader deletion action merely because it is easier to find.
3. Clear Chrome’s cached files
In Chrome, open the three-dot menu and choose Delete browsing data. Select the time range appropriate to the problem, then select Cached images and files. Inspect all other selected categories before choosing Delete data. For a cache-only change, leave cookies, history and other information you want to retain unselected.
Deleting cookies and site data can remove website state and sign you out. Deleting download history removes the list, not the downloaded files in Finder. Some browsing information can sync through your Google Account; do not select synced categories casually when you intend only to troubleshoot local cached resources.
4. Clear Firefox’s cached content
In Firefox Settings, open Privacy & Security and find Cookies and Site Data, then select Clear Data. In newer versions, choose a time range and select Temporary cached files and pages. Older versions label the cache option Cached Web Content. Leave the cookies and site-data option unchecked if you want to retain that information.
Read the remaining categories in the dialog before confirming. Browser interfaces evolve, and a previous selection can change the scope of your next cleanup. If you need to remove storage for one troublesome website, use the browser’s site-data controls and accept that the site may lose login or offline state.
5. Reload and reassess
Revisit the page you were troubleshooting and check its behavior. The first load may need to download resources again. If the same problem persists, record the page and symptom and investigate extensions or the site itself; repeated cache clearing is not evidence that the underlying problem is fixed.
If you wanted disk space, compare available storage after cleanup. Review actual Downloads separately and leave browser profile folders intact: they can contain much more than a cache. When another app or folder accounts for most of the drive, use the related storage guides to focus on that larger source.
References & further reading
These guides combine the linked official guidance with ClearDisk’s documented behavior. Your files and app settings determine the right next step.