Screenshot Master: Capture & Annotate

Capture pages, regions or elements. Annotate, export PNG/JPEG/WebP/PDF, copy instantly. Private local library, 100% on-device.

Screenshot Master - Capture, Annotate, Organize Four ways to capture, covering every scenario: • Visible area - instant, under a second • Area selection - drag to select with a live pixel readout, high-DPI aware • Full page - auto-scroll and seamless stitching up to ~60,000px, with an option to hide sticky/fixed elements • Element picker - hover to highlight, click to capture, off-screen elements are stitched automatically Every capture opens in the annotation editor: • 8 annotation tools: rectangle, ellipse, arrow, pen, highlighter, text, step numbers, mosaic • Crop, undo/redo, select-and-move, delete • Export PNG / JPEG / WebP / PDF, or copy straight to the clipboard Private local library (never uploaded): • Filter by capture type, search, sort by date or size • Batch select, batch download, batch convert to PNG / JPEG / WebP • Thumbnail preview - jump back into the editor any time Built for speed: • 4 keyboard shortcuts (Ctrl+Shift+S/D/F/E) plus a page context menu • Capture timer (3 / 5 / 10 s) for menus that need to open first • Choose "open editor" or "download file" as the post-capture action Privacy: ✓ 100% on-device: no uploads, no sync, no account, no ads ✓ No host permissions, no broad tabs permission, no screen-recording permissions ✓ The library lives only in your browser and can be cleared at any time ✓ The extension makes no external network requests Great for study notes, work reports, bug reports, tutorials, design reviews and archiving. Completely free, no registration required.