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Description
Open-source screenshot tool — full-page, region, and visible-area capture with annotation and PDF export. OpenScreenShot is a free, open-source screenshot extension — zero data leaves your device, no account needed, no telemetry, no third-party services. Privacy OpenScreenShot is privacy-first unlike the other tools: - All capture, annotation, and export happens entirely locally in your browser - No data is ever uploaded, collected, or transmitted - No analytics, no ads, no third-party services - The extension uses only the permissions it needs: activeTab (current page), scripting (scroll measurement), storage + unlimitedStorage (settings + image handoff), downloads (save files) - Never requests broad <all_urls> host permissions Capture modes - 📄 Full Page — Scrolls and stitches the entire page into one seamless image. Fixed headers appear once at the top. Live progress bar shows capture status. - 👁 Visible Area — Captures exactly what's on screen now. Instant. - ✂️ Selected Region — Click and drag to select any area on the page. Supports resize handles, keyboard nudging (arrow keys, Shift = ×10), cancel (Esc) and confirm (Enter). Annotation editor After every capture, the full-screen editor opens in a new tab. Annotate your screenshot before exporting: - Drawing tools: Rectangle, Arrow, Freehand pen, Text (click-to-type overlay), Blur (pixelate an area), Crop (drag a region and apply) - Style controls: Pick from 8 colors, adjust stroke width (3/6/12), and font size (12–96px) — your settings are remembered across sessions - Editing: Select, move, and resize annotations with corner/edge handles; undo/redo (⌘Z/⌘⇧Z); delete (⌫) - Navigation: Scroll-wheel zoom toward cursor, space-drag or middle-click to pan, fit/100% zoom buttons Export Export your annotated screenshot from the editor: Settings - Theme: Light, Dark, or System-following - Default format: PNG / JPEG / WebP / PDF - Quality: Adjustable slider for JPEG/WebP/PDF - Filename template: Customizable with {date}, {time}, {title}, {w}, {h} tokens - PDF defaults: Page size, orientation, multi-page, margin Open source MIT licensed. Source code on GitHub. Contributions welcome. Category Productivity