If that is the case then after reformatting, it should pick up your bookmarks from a Mac with the same iCloud ID that uses Safari (assuming you have an iCloud ID).
Just make sure "Safari" is checked under Preferences>iCloud on the Mac.
On a Mac since 1984. Currently: 24" M1 iMac, M2 Pro Mac mini with 27" BenQ monitor, M2 Macbook Air, MacOS 14.x; iPhones, iPods (yes, still) and iPads.
