Inside the manager, click the three dots in the top-right corner of the blue bar (not the browser corner). Select "Export bookmarks."

This creates a standard HTML file that can be imported into almost any other browser (Edge, Firefox, Safari, Brave, etc.) or saved as a backup.

To :

Open Firefox, Edge, or another browser and choose "Import from HTML File" in their settings, selecting the file you just created.

This process creates a single file containing all your favorites that can be moved via USB or email.