Ubuntu Basics MAGNIFY & ZOOM with V4L2 webcam in VLC
zoom videos or webcams in VLC with several methods, including Z, shift-Z, (or, for more precision: Alt1, Alt-2, Alt-3, Alt-4), Compiz's zoom (Alt-5, Alt-6, Alt-7), for a webcam: V4L2 (absolute zoom), Ctrl-E (effects and filters), Geometry (sliding zoom of existing videos only). Arrgh! So many confusing choices! I did not even cover mouse zoom. Borderless windows Ctrl-h, f11, f