SnapMark is a privacy-first screenshot and annotation tool for Chrome. Everything happens locally — nothing is ever uploaded. 5 capture modes: Visible, Full Page, Region Select, Element Picker, Timed Capture. 8 annotation tools: Arrow, Rect, Ellipse, Text, Freehand, Blur, Step Numbers, Crop. Free: all modes, all tools, PNG + clipboard, no watermark. Pro $39 lifetime: JPEG/WebP/PDF, Timed Capture, 100 history, 100 undo. No subscription. Built with vanilla JS. ~50KB. 100% local. No sign-up.