: Many font licenses prohibit converting or modifying files. Ensure you have the rights to unpack the collection before proceeding. Stack Overflow or instructions for a particular operating system Convert TTC or DFONT to TTF online - Transfonter
If you don't want to upload files to a third-party server, use local software. TTC to TTF File Converter - Xojo Blog convert ttc font to ttf work
# Split TTC into individual TTX (XML) files ttx -o font_0.ttx yourfont.ttc : Many font licenses prohibit converting or modifying files