ASCII2Unicode Utilities

I have written several sed scripts to convert ASCII to Unicode characters.

ascii2bold
converts input to bold (𝐞𝐱𝐚𝐦𝐩𝐥𝐞)
ascii2boldfraktur
converts input to bold Fraktur (𝖊𝖝𝖆𝖒𝖕𝖑𝖊)
ascii2fullwidth
converts input to full-width characters (example)