SnapMark - Screenshot & Annotate

Capture, annotate and export screenshots. 5 modes, 7 annotation tools, 100% local. No watermark, no sign-up. Pro $39 lifetime.

SnapMark is a privacy-first screenshot and annotation tool for Chrome. Everything happens inside your browser — no data is ever uploaded to any server. ### Capture Modes - **Visible Area**: One-click capture of the current viewport - **Full Page**: Auto-scroll and stitch the entire page with smart overlap blending. Handles sticky headers and lazy images. - **Region Selection**: Drag to select any area. Real-time W×H display. Release to capture. - **Delayed Capture**: 3/5/10-second countdown for dropdowns, tooltips, and hover states. - **Smart Element Selection**: Hover over page elements to auto-detect and highlight them. Click to capture precisely. ### Annotation Tools - Arrow (A), Rectangle (R), Ellipse (E), Text (T), Freehand (F), Blur/Mosaic (B), Step Numbers (N) - Undo/Redo (Ctrl+Z/Y), drag to move, click to select, Delete to remove - Blue glow, corner handles, dashed border on selected annotations - Custom colors and stroke width control ### Export Formats - Copy to Clipboard (Ctrl+C) - PNG (lossless) - JPEG (adjustable quality, Pro) - WebP (best balance, Pro) - PDF (adjustable page size, Pro) ### Privacy - 100% local processing - No data uploads - No account required - Minimal permissions: activeTab, scripting, storage, clipboardWrite ### Free vs Pro The free version includes all 5 capture modes, all 7 annotation tools, PNG export, and clipboard copy — with no watermark and no ads. Pro adds JPEG/WebP/PDF export, expanded history (100 entries), more undo steps, custom color palettes, and customizable keyboard shortcuts.