macOS Big Sur 11.0

Translate a webpage in Safari on Mac (Beta)
In the Safari app
on your Mac, go to the webpage you want to translate.
Move the pointer over the Translate button
to see if translation is available.
If the webpage can be translated, the Smart Search field displays Translation Available.
Click the Translate icon, then choose a language.
To add a language, see Change Language & Region General preferences.
Note: The availability of translations and the number of languages that can be translated may vary by country or region.