The Firefox cache temporarily stores images, scripts, and other parts of websites you visit in order to speed up your browsing experience.
Clear the cache
- Click the menu button and select Options.
- Select the Privacy & Security panel.
- In the Cookies and Site Data section, click Clear Data….
- Remove the check mark in front of Cookies and Site Data.
- With Cached Web Content check marked, click the Clear button.
- Close the about: preferences page. Any changes you’ve made will automatically be saved.
Automatically clear the cache
You can set Firefox to automatically clear the cache when Firefox closes:
- Click the menu button and select Options.
- Select the Privacy & Security panel and go to the History section.
- In the drop-down menu next to Firefox will choose Use custom settings for history.
- Select the checkbox for Clear history when Firefox closes.
- Beside Clear history when Firefox closes, click the Settings… button. The Settings for Clearing History window will open.
- In the Settings for Clearing History window, put a check mark next to Cache.
- For more information on the other options, see Delete browsing, search and download history on Firefox.
- Click OK to close the Settings for Clearing History window.
- Close the about: preferences page. Any changes you’ve made will automatically be saved.
Bijay Pokharel
Bijay Pokharel is the Founder and Editor-in-Chief of Abijita.com and a freelance technology writer covering the tech industry since 2017. He specializes in cybersecurity, digital privacy, malware, vulnerabilities, and online safety, with a strong interest in internet protection and women’s online security. A dedicated tech enthusiast and continuous learner, Bijay approaches his professional work with clarity, rational thinking, and a calm, solution-oriented mindset.









