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Privacy-first open-source screenshot tool for Windows — capture, annotate, pin, scroll, record GIFs, and search locally.

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ntscreenshot

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ntscreenshot — open-source screenshot tool for Windows

An open-source, privacy-first screenshot and pinning tool for Windows. Capture, annotate, pin, scroll, and record GIFs in one workflow. Clipboard history and local search stay on your machine; OCR and clipboard AI form filling are opt-in.

License Platform Qt Release GitHub stars

Download the Windows installer · Portable ZIP · Quick start · FAQ · Build from source

Install ntscreenshot-VERSION-x64-Setup.exe for the current user without administrator privileges. The default location is %LocalAppData%\Programs\ntscreenshot; Start menu shortcuts are included and the desktop shortcut is optional. Upgrading and uninstalling preserve settings and favorites.

Alternatively, extract ntscreenshot-x64-Release.zip and run ntscreenshot.exe without installation. If a release has no assets yet, follow the build guide.

30-second start

  1. Launch the app, find it in the tray, and confirm hotkeys in Settings.
  2. F5 to capture: drag a region, annotate from the toolbar, then copy, save, or pin.
  3. F6 to pin a clipboard image; Ctrl+Alt+I to open the image browser.
  4. Enable OCR only if needed, using your own service credentials.
Hotkey Action
F5 Screenshot
F6 Pin
Alt+Space Local search (default; tries Ctrl+Alt+Space if occupied)
Ctrl+Alt+I Image browser
Ctrl+Alt+S Settings

Change hotkeys if they clash with a game or another app.

Capture, pin, and search hotkeys are configurable. Image browser and Settings shortcuts are fixed and require successful registration.

Features

Capture and annotate

Press F5 to select a region. Window snapping, pixel-level tweaks, a magnifier, and a color picker (C copies the color) stay in the overlay.

  • Pen, line, arrow, rectangle, ellipse, text, mosaic, undo
  • Copy, save, or pin; scrolling capture and GIF recording
  • QR / barcode recognition; optional OCR

Region capture and annotation

Image browser and editor

Browse thumbnails, zoom and pan, or drop an image / folder to open it. Click Edit for nine tool groups: crop / rotate, annotations, perspective correction, mosaic, watermarks, stickers, filters, color adjustment, and background removal. Undo, redo, copy, and Save As keep the workflow in one window.

Image browser and editing tools

Convert to PNG, JPEG, BMP, WebP or ICO when their Qt plugins are available, or export a single-page PDF. Save transparent cutouts as PNG. Play or pause GIFs and edit the current frame. See the image browser guide for controls, export options, and limits.

Local search

One box for local apps, files, folders, and browser bookmarks. Arrow keys select, Enter opens.

Local search

Pinning and productivity

  • F6 pins a clipboard image on the desktop, with multi-pin and border options
  • Local clipboard history and favorites; optional clipboard AI form filling
  • Optional cross-device favorites sync with GitHub sign-in and a shared hosted service. No server or storage setup is needed by users. Service guide

Settings

Open Settings from the tray. Startup, light / dark theme, capture / pin hotkeys, overlay opacity, and color format live here. The interface defaults to English; choose English or Chinese under General Settings → Display language, then restart the app.

Settings

AI chat and text selection

AI chat, the embedded browser, and text selection have moved to auto-browser. This app no longer bundles a browser engine. See the migration guide for configuration and chat history imports.

Platforms

Platform Status
Windows 10 / 11 x64 Supported
Linux Not available
macOS Not available

FAQ

  • Antivirus flags, dead hotkeys, no window after launch: FAQ
  • OCR / AI / where data lives: FAQ · Privacy

Capture, pinning, clipboard history, and local search run offline by default. Text or images leave the machine only when you enable and invoke a network feature. Favorites sync is off by default; ordinary clipboard history is not uploaded. Cloud favorites currently do not use end-to-end encryption. See Privacy.

Docs

Contributing

Bug reports, documentation fixes, and pull requests are welcome. Read Contributing and the Code of Conduct. Report security issues privately as described in Security.

Apache License 2.0. Copyright: NOTICE. Third-party notices: THIRD_PARTY_NOTICES.md.

If ntscreenshot helps you, a Star is the simplest way to support the project.

About

Privacy-first open-source screenshot tool for Windows — capture, annotate, pin, scroll, record GIFs, and search locally.

Topics

Resources

Code of conduct

Contributing

Security policy

Stars

21 stars

Watchers

1 watching

Forks

Releases

Packages

Used by

Contributors

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