We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

profile folder how do i find out what files mean

more options

firefox is running slow but how do i find out what is safe to delete in profile folder?

firefox is running slow but how do i find out what is safe to delete in profile folder?

All Replies (2)

more options

Hi Jon, this article has information on what's in the folder:

However, rather than sort through it manually, you might consider using the Refresh feature. This article describes what is kept and what is lost in that process:

more options

Oh, and in case this wasn't suggested during the process of submitting your question: Quick fixes if your Firefox slows down.