Using styled text well

• Messages in chat apps.
• Profile bios and about sections.
• Display names where more than letters and numbers are allowed.
• Posts and comments, though a few places strip unusual characters.
• Documents, slides and notes.

• Usernames and handles, which commonly allow only plain letters, numbers and a few symbols.
• Web and email addresses, which need ordinary characters to work at all.
• Passwords and login names.
• File names, depending on the system.
• Search boxes, which will not match styled letters with plain ones.
• Forms that check for plain English letters.

The easy test is to paste a short sample into the field and look. Rules change as services update, so something that worked last year may not today.

A screen reader reads the characters it finds. Faced with a styled letter it may read the character's full name, something like mathematical bold capital H, or skip it, so one short word becomes a long confusing sentence. What happens depends on the reader and its settings.

Script, gothic and heavily decorated styles are also harder to read for many people, including those with low vision or dyslexia. Wide spacing and tiny letters add to the effort.

• Use it for a word or a short heading, not a paragraph.
• Keep anything important in plain text: names, dates, prices, instructions and links.
• Do not use it in alt text, email subjects or labels that tools read aloud.
• If the place has real bold, italic or heading controls, use those.

• Why text turns into boxes
• How styled text works
• Bold text generator
• The typeface generator