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

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