The Safari extension is bundled with the Translatium app for macOS.
Follow these steps to enable and start using the Translatium Safari extension:
Step 1: Install Translatium
Open the Mac App Store and search for Translatium.
Download and install the app on your Mac.
Step 2: Enable the Safari Extension
Open Safari, then go to Safari > Settings.
Click the Extensions tab.
Find Translate with Translatium and check the box to enable it.
Click Always Allow on Every Website to grant necessary permissions.
Step 3: Start Translating
You’ll now see the Translatium icon in your Safari toolbar.
Select any text, right-click, and choose Translate with Translatium for instant translation.