To successfully convert TTC to a working TTF, you cannot use "quick" online tools. You need specialized software or command-line utilities.
You followed the guide, but the font still looks wrong. Here is the checklist. convert ttc font to ttf work
Sites like online-convert.com or freeconvert.com often strip OpenType layout features (ligatures, kerning) and break variable fonts. Use them only for fallback system fonts, never for professional design work. To successfully convert TTC to a working TTF,
FontForge is free, but it has a steep learning curve. Here is the exact workflow. Here is the checklist
Step 1: Download and install FontForge.
Step 2: Open FontForge. Go to File > Open and select your .ttc file.
Step 3: A dialog box will appear: "This file contains multiple fonts. Which one do you want to open?" Select the font you want (e.g., "Regular").
Step 4: Wait for the font to load. Go to File > Generate Fonts.
Step 5: In the dialog box, select "TrueType" from the dropdown. Uncheck "Validate Before Saving" (it often causes false errors).
Step 6: Click "Generate." Repeat steps 3-6 for every font inside the TTC (Bold, Italic, etc.).
Common Fixes for FontForge Errors:
When people say their conversion didn't "work," they usually encounter one of two scenarios: