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ColorZilla vs Sip: catalog facts
ColorZilla	Sip
Free Free browser extension.	Paid Paid app with a free trial that needs no credit card.
Browser extension	macOS
Works directly in the browser without a separate app Gradient generator is a bonus beyond simple color picking	Fast on-screen picking with keyboard shortcuts Palette organization with descriptions
Limited to what's visible in the browser window No native desktop app outside the browser	macOS only Paid after the trial
Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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