Arc browser cache on Mac: safe to delete?
Safe to deleteRegenerated automatically; Thermo deletes it outright.
Quit first: Arc
Where it is
~/Library/Caches/Arc~/Library/Caches/company.thebrowser.Browser
What it is
Arc, from The Browser Company, is built on Chromium. Its disk cache lives in ~/Library/Caches under both an Arc folder and its bundle identifier, company.thebrowser.Browser, separate from the profile and sidebar data in Application Support.
Why it gets so big
Pinned tabs and multiple Spaces mean lots of sites get loaded regularly, and like other Chromium browsers Arc doesn't shrink its cache on its own.
Is it safe to delete?
Yes. Your Spaces, pinned tabs, history and logins aren't part of the cache. Sites refetch their resources the next time you open them. Quit Arc first.
See how much space it uses
du -sh "$HOME/Library/Caches/Arc" "$HOME/Library/Caches/company.thebrowser.Browser" 2>/dev/nullDelete it by hand
Run in Terminal. Deleting cannot be undone, so check the paths first.
rm -rf "$HOME/Library/Caches/Arc"/*
rm -rf "$HOME/Library/Caches/company.thebrowser.Browser"/*