If using a tool like FontForge, choose which specific weights (e.g., Bold, Light) you want to extract. Convert: Click the convert or "unpack" button.
CloudConvert is widely considered the best all-around converter. It handles font metadata well and ensures the resulting TTF files are not corrupted. convert ttc font to ttf best
Regardless of the tool you choose, the general workflow remains the same: Select your .ttc file. If using a tool like FontForge, choose which