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Xnapper vs Flameshot: catalog facts
Xnapper	Flameshot
Freemium Free to use with a watermark; a one-time payment removes it.	Free Free and open source; no paid version.
macOS	Windows, macOS, Linux, Command line
Automatic background and balancing for presentable screenshots One-click redaction of emails, card numbers and API keys	In-place editing: arrows, highlight, blur or pixelate, text, shapes and counters on the selection itself Customisable interface colour, button selection, shortcuts and save behaviour
Free version adds a watermark Cloud upload is not available yet	On Wayland it needs the right portal or compositor support, which varies by desktop No built-in video or GIF recording
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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