X (Twitter) Font Generator
Free · No signupBold and styled text for X posts, replies, your bio and display name.
Add a decoration
wraps your text — costs extra charactersThe short answer
X has no formatting toolbar for ordinary posts, so bold text on X is made of Unicode characters. Type above, copy a style, and paste it into the composer, your bio or your display name.
Where this works on X (Twitter)
280 characters on a free account; 25,000 with Premium.
160 characters.
50 characters — searchable, so style with care.
Identical rendering to posts.
Names and descriptions accept Unicode.
How styled characters count against your 280
X counts characters, not bytes, for the Latin-script range — so a bold Unicode letter costs one character, the same as a plain one. That is not true of every platform, and it makes X one of the safer places to style text without losing room.
The exception is the enclosed and fullwidth styles. Fullwidth characters render at roughly double width, so a fullwidth post fills the visible card long before it hits 280 and gets awkward on mobile.
Premium formatting vs Unicode
X Premium added genuine bold and italic formatting in the composer for long-form posts. If you have Premium and you are writing long-form, use it — real formatting stays searchable and accessible.
For everything else — the 280-character post, the bio, the display name, Community names — there is still no formatting, and Unicode is the only option.
Frequently asked questions
How do you bold text on X?
Free accounts have no bold button, so paste Unicode bold characters from the generator above. X Premium subscribers get real bold and italic in long-form posts only.
Do fancy fonts count as more characters on X?
No. Styled Latin letters count as one character each against the 280-character limit.
Can I change my X display name font?
Yes, the 50-character display name accepts Unicode. Your @handle cannot be styled.
Does styled text affect X search?
Yes. X search matches literal characters, so styled words will not surface for the plain-text query.
Styling text is the easy part
Autoadify writes the posts, generates the images and video, and schedules everything across Instagram, TikTok, Facebook, LinkedIn, X, YouTube, Pinterest and Reddit — from one calendar.