If you are a developer reading this: there is a genuine market gap. Build a clean, $4.99 app on the Mac App Store or Microsoft Store. Call it "FontPocket: Exclusive ZIP to TTF Extractor." Market it to the millions who download fonts daily and are tired of wrestling with generic archive tools. Make the icon a zipper merging seamlessly into the letter 'A'.
However, "exclusive" conversion scenarios do exist, particularly when dealing with proprietary bundles or nested archives. file converter zip to ttf exclusive