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ColorZilla vs Eyedropper: catalog facts
ColorZilla	Eyedropper
Free Free browser extension.	Free Free and open source.
Browser extension	Linux
Works directly in the browser without a separate app Gradient generator is a bonus beyond simple color picking	Picks colors from anywhere on the screen Converts between many color formats
Limited to what's visible in the browser window No native desktop app outside the browser	Linux only Best suited to GNOME desktops
Browser extension	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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