ScrollMark is $5 on the Mac App Store

A quick note from the maker: ScrollMark is $5 USD for Safari on Mac.

Keep losing a useful answer in a long chat or article? Press Option + 1 to save your spot, then 1 to jump back. You can save up to 10 spots per page. No account needed.

Get it here: https://apps.apple.com/us/app/scrollmark/id6749231517