SnapMark - Screenshot & Annotate

About

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.