Are Fancy Unicode Fonts Accessible?

The short answer

Styled Unicode characters are significantly worse for screen-reader users than plain text. This is not a matter of opinion or of screen readers needing to catch up — it follows directly from the characters being different characters rather than styling.

What actually happens

Behaviour depends on the screen reader, its version, its verbosity settings and the language being read, so no single description covers every case. Commonly reported outcomes include reading each character by its formal Unicode name, spelling the text out letter by letter, skipping unfamiliar characters entirely, and — with heavy combining marks — reading a long sequence of diacritic names before the base letter.

A bio that reads as "mathematical bold capital A, mathematical bold small L" and so on is not merely slower. It is unusable.

Using them responsibly

None of this means you must never use a styled character. It means treating them as decoration that some people will not receive.

• Keep the meaning in plain text; let styled characters be ornament.
• Never style a link, a handle, a price, a date or an instruction.
• Avoid heavy combining marks in anything another person has to read.
• If a post must be understood, write it plainly.

Restoring plain text

If you have inherited styled text that needs to be readable, the remove-fancy-text tool converts most styled characters back to their plain equivalents. It is deliberately conservative and shows you a preview first, because compatibility normalisation can change characters you wanted to keep.