Where Is Your Firefox Profile Folder Located?
Firefox profile folder location on Windows, macOS and Linux, including where bookmarks, passwords and cache actually live.
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Firefox stores bookmarks, passwords, history and extensions inside a profile folder. Each profile sits in its own subfolder with a random prefix (like a1b2c3d4.default-release), so the full path is different on every install.
The fastest way to open it is to type about:profiles in the Firefox address bar and click Open Folder next to Root Directory. The paths below are the parent folders Firefox uses if you want to go there by hand.
Where Firefox stores this, by platform
%APPDATA%\Mozilla\Firefox\Profiles
Each profile is a subfolder here. Cached data lives separately under %LOCALAPPDATA%\Mozilla\Firefox\Profiles. Paste the path into a File Explorer address bar or the Run dialog (Win+R).
~/Library/Application Support/Firefox/Profiles
Library is hidden by default. In Finder use Go > Go to Folder and paste the path. Cache lives separately under ~/Library/Caches/Firefox/Profiles.
~/.mozilla/firefox
Each profile is a subfolder here, listed in profiles.ini in the same directory. Cache lives separately under ~/.cache/mozilla/firefox.
Frequently asked questions
How do I open my Firefox profile folder without typing a path?
Type about:profiles in the Firefox address bar, then click Open Folder under Root Directory. This skips guessing the random folder name.
Which file in the profile holds my bookmarks?
places.sqlite in the profile root holds bookmarks and history. Copy both places.sqlite and favicons.sqlite if you are moving them by hand.
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