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Safari Technology Preview vs Microsoft Edge Dev / Canary: catalog facts
Safari Technology Preview	Microsoft Edge Dev / Canary
Free Free download from Apple.	Free Free preview channels of Microsoft Edge.
macOS	Windows, macOS, Linux
Latest WebKit engine ahead of stable Safari Runs side by side with regular Safari	Access to upcoming Edge features and DevTools before general release Separate install from stable Edge, so both can coexist
macOS only Pre-release software that may be less stable	Preview builds can be less stable than the regular release Not intended as a daily-driver browser for most users
Downloadable app	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 24, 2026	Official website Full listing and sources Checked September 22, 2026

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