How can I convert TTF files to OTF format?

Question

I need to use @font-face feature and my fonts are in TrueType (TTF) format, so how to convert TTF to OpenType (OTF) format.

Answer 1

you can use TTF file format directly in css :

@font-face { 
font-family: Vinegar; 
src: url(http://www.4bit.co.uk/testing/design01/vinegar.ttf); 
}

h3 {
font-family: Vinegar, "Times New Roman", Times, serif;
}

It is working!

Or you can use this link to generate your font face!