GG QC Player

Multi MP4 QC with overlays, grids, compare stack, and sticky guide
Base: Not set
C toggle compare Space play/pause compare S sync layers dbl-click remove compare guide
Safety overlay
Drag and drop MP4s anywhere on the page to add them
Sticky guide stays on screen while you scroll. Drag it to check top-to-bottom alignment.
Drop videos to add
MP4 and most video formats supported