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Greenshot vs ShareX: catalog facts
Greenshot	ShareX
Free Free and open source on Windows. The separate Greenshot app for macOS is a paid App Store…	Free Free and open source with no advertising. The Microsoft Store and Steam listings are the…
Windows	Windows, Browser extension
Region, window and full screen capture bound to the Print Screen key Built-in editor for annotating, highlighting and obfuscating parts of a shot	Screen capture, screen recording, GIF recording and an annotation editor in one application Automated workflows: capture, edit, save, copy and upload chained to a single hotkey
Windows only; the macOS app of the same name is a separate paid product Scrolling page capture only works with Internet Explorer	Windows only The sheer number of options makes the settings window intimidating at first
Downloadable app	Downloadable app, Browser extension
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.