Once extracted, you can on Windows by right-clicking the .ttf file and selecting Install , or on Mac by double-clicking it and clicking Install Font in the Font Book.
To create a "verified" feature for a ZIP to TTF converter, you need to address the fact that a ZIP is a container, while a TTF is a specific font file. "Verification" in this context usually means ensuring the output is a valid, usable font and not just an extracted file with a renamed extension. 1. Core Conversion Logic zip to ttf converter verified