Split, not synced.
Independent scrolling by default. Sync mode only when you want to compare.
Read one point. Reference another. Without losing your place.
Two independent views of the same PDF, side by side. Nothing to install, nothing to sign up for.
Open appNothing leaves your browser.
Files stay local. No upload, no account.
Pick up exactly where you left off.
Pane layout, page, and scroll position are saved automatically.