Bold and italic text for X

X has no bold or italic button for standard posts, but Unicode letters that look bold, italic or script paste anywhere. Type, tap a style to copy it, and check what screen readers hear first.

  • Runs in your browser
  • Nothing uploaded
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Plain text counts 15 on X

Tap any style below to copy it.

Live. Everything runs on your device.Nothing is uploaded

How to make bold text on X

  1. Type your text

    Type a word or short phrase; every style updates as you type.

  2. Compare the styles

    Each tile shows how many characters X will count for it.

  3. Check what a screen reader hears

    Try the same words in the screen reader panel before you copy.

  4. Tap a tile to copy

    If the clipboard is blocked, select the text in the tile and copy it.

  5. Paste one word, not the whole post

    Keep everything else plain so it stays readable and searchable.

Read this before you paste

What a screen reader hears

Unicode bold is not bold text. It is a set of math symbols that look like letters, each with its own official name.

Some screen readers read those names, some read the letters, some skip them. Plan for the worst case.

You post

๐‡๐ข

A listener may hear

  1. MATHEMATICAL BOLD CAPITAL H
  2. MATHEMATICAL BOLD SMALL I

Try it with your own words

What a sighted reader sees

๐๐ข๐  ๐ง๐ž๐ฐ๐ฌ

Plain text is read as words

โ€œBig newsโ€

Character names a screen reader may announce

  1. 1MATHEMATICAL BOLD CAPITAL B
  2. 2MATHEMATICAL BOLD SMALL I
  3. 3MATHEMATICAL BOLD SMALL G
  4. 4SPACE
  5. 5MATHEMATICAL BOLD SMALL N
  6. 6MATHEMATICAL BOLD SMALL E
  7. 7MATHEMATICAL BOLD SMALL W
  8. 8MATHEMATICAL BOLD SMALL S

Style a word, never a post

One word costs a listener seconds. A post can cost the whole message.

Keep names and keywords plain

Your name, your product and anything people search for.

Never style what people act on

Dates, prices, links, handles and instructions stay plain.

Where bold and italic text works on X

Styled characters paste anywhere. Whether they should is another question. Rules from X's username and profile help pages.

  • Sparingly

    A word in a post

    Fine for one or two words of emphasis.

  • Sparingly

    Bio

    One short label at most. Mind the 160 limit.

  • Avoid

    A whole post

    Hard to read, slow to listen to, counted double.

  • Avoid

    Display name

    Keep your real name plain and searchable.

  • Avoid

    Hashtags

    A styled hashtag is a different tag.

  • Avoid

    @mentions

    Handles allow only letters, numbers and _.

  • Avoid

    Links

    Styled characters break the address.

  • Avoid

    Image descriptions

    Alt text is for screen readers. Keep it plain.

Bold text examples: good use and bad use

Good: one word of emphasis

The new plan is ๐Ÿ๐ซ๐ž๐ž for teams of three or fewer.

X counts 53 ยท 4 styled characters

Still readable letter by letter, and every other word is searchable.

Bad: the whole post

๐—•๐—ถ๐—ด ๐—ป๐—ฒ๐˜„๐˜€: ๐—ผ๐˜‚๐—ฟ ๐—ป๐—ฒ๐˜„ ๐—ฝ๐—น๐—ฎ๐—ป ๐—ถ๐˜€ ๐—ณ๐—ฟ๐—ฒ๐—ฒ ๐—ณ๐—ผ๐—ฟ ๐˜€๐—บ๐—ฎ๐—น๐—น ๐˜๐—ฒ๐—ฎ๐—บ๐˜€

X counts 82 ยท 36 styled characters

Every letter may be read as a long name, and the count doubles.

Bad: the keyword itself

Hiring a ๐’นโ„ฏ๐“ˆ๐’พโ„Š๐“ƒโ„ฏ๐“‡ in Lisbon. Apply by Friday.

X counts 53 ยท 8 styled characters

The one word people would search for is the one that was styled.

Do bold letters count double on X?

Yes. X counts ordinary alphabets as 1 and everything else as 2. Math letters sit far outside the light ranges. Strikethrough and underline add a mark to every letter, which doubles the count too.

Check a whole post with the X character counter.

Launch dayPlain ยท 10
๐‹๐š๐ฎ๐ง๐œ๐ก ๐๐š๐ฒBold ยท 19

Unicode text styles reference

"Launch day" is 10 characters in plain text. Styles without their own digits leave numbers plain.

StyleLooks likeX countsDigitsUnicode source
Bold๐‹๐š๐ฎ๐ง๐œ๐ก ๐๐š๐ฒ19 (+9)๐Ÿ๐Ÿ๐Ÿ‘Mathematical bold
Italic๐ฟ๐‘Ž๐‘ข๐‘›๐‘โ„Ž ๐‘‘๐‘Ž๐‘ฆ19 (+9)PlainMathematical italic
Bold italic๐‘ณ๐’‚๐’–๐’๐’„๐’‰ ๐’…๐’‚๐’š19 (+9)PlainMathematical bold italic
Sans๐–ซ๐–บ๐—Ž๐—‡๐–ผ๐— ๐–ฝ๐–บ๐—’19 (+9)๐Ÿฃ๐Ÿค๐ŸฅMathematical sans serif
Sans bold๐—Ÿ๐—ฎ๐˜‚๐—ป๐—ฐ๐—ต ๐—ฑ๐—ฎ๐˜†19 (+9)๐Ÿญ๐Ÿฎ๐ŸฏMathematical sans serif bold
Sans italic๐˜“๐˜ข๐˜ถ๐˜ฏ๐˜ค๐˜ฉ ๐˜ฅ๐˜ข๐˜บ19 (+9)PlainMathematical sans serif italic
Sans bold italic๐™‡๐™–๐™ช๐™ฃ๐™˜๐™ ๐™™๐™–๐™ฎ19 (+9)PlainMathematical sans serif bold italic
Scriptโ„’๐’ถ๐“Š๐“ƒ๐’ธ๐’ฝ ๐’น๐’ถ๐“Ž19 (+9)PlainMathematical script
Bold script๐“›๐“ช๐“พ๐“ท๐“ฌ๐“ฑ ๐“ญ๐“ช๐”‚19 (+9)PlainMathematical bold script
Fraktur๐”๐”ž๐”ฒ๐”ซ๐” ๐”ฅ ๐”ก๐”ž๐”ถ19 (+9)PlainMathematical fraktur
Bold fraktur๐•ท๐–†๐–š๐–“๐–ˆ๐– ๐–‰๐–†๐–ž19 (+9)PlainMathematical bold fraktur
Double struck๐•ƒ๐•’๐•ฆ๐•Ÿ๐•”๐•™ ๐••๐•’๐•ช19 (+9)๐Ÿ™๐Ÿš๐Ÿ›Mathematical double struck
Monospace๐™ป๐šŠ๐šž๐š—๐šŒ๐š‘ ๐š๐šŠ๐šข19 (+9)๐Ÿท๐Ÿธ๐ŸนMathematical monospace
Small capsLแด€แดœษดแด„สœ แด…แด€ส15 (+5)PlainLatin small capitals from several blocks
Circledโ“โ“โ“คโ“โ“’โ“— โ““โ“โ“จ19 (+9)โ‘ โ‘กโ‘ขEnclosed alphanumerics
Fullwidth๏ผฌ๏ฝ๏ฝ•๏ฝŽ๏ฝƒ๏ฝˆ ๏ฝ„๏ฝ๏ฝ™19 (+9)๏ผ‘๏ผ’๏ผ“Halfwidth and fullwidth forms
StrikethroughLฬถaฬถuฬถnฬถcฬถhฬถ dฬถaฬถyฬถ19 (+9)1ฬถ2ฬถ3ฬถCombining long stroke overlay
UnderlineLฬฒaฬฒuฬฒnฬฒcฬฒhฬฒ dฬฒaฬฒyฬฒ19 (+9)1ฬฒ2ฬฒ3ฬฒCombining low line

Gaps in some alphabets. A few letters existed before the math alphabets, like the italic h (the Planck constant), so they can look slightly different.

X's own formatting. Premium subscribers get real formatting, per X Premium . That is not the same as pasting look alike letters.

Why Unicode bold letters exist

  1. ๐ฑ ๐‘ฅ ๐“

    Math needs styled letters

    A bold x and an italic x can mean different things in one formula.

  2. U+1D431

    Unicode gives them their own codes

    The Mathematical Alphanumeric Symbols block, so style survives copying.

  3. ๐“—๐“ฒ

    Social media borrows them

    They are plain text, so they paste anywhere text goes.

  4. โ‰  Hi

    Software still sees math

    Screen readers, search and counters treat them as symbols, not words.

Plain text first, in every post

Kairo Post counts styled letters the way X does, so a post that only looks short is stopped before it publishes. Images go out with their alt text. See the publishing feature or more tools for X.

Bold and italic text questions

How do I make bold or italic text on X?
Standard X posts are plain text with no bold button. This tool swaps your letters for Unicode characters that look bold or italic; copy them and paste them into X. X lists text formatting among its Premium features.
Is Unicode bold text bad for accessibility?
It can be. Styled letters are different characters, and some screen readers announce them by name or skip them. Use them for a word or two at most, never for a whole post or your name.
Do bold and italic characters count double on X?
Yes. Almost all styled letters sit outside the ranges X counts as 1, so each counts as 2. Strikethrough and underline add a combining mark to every letter, which also doubles the count.
Can people find my post if I write keywords in bold Unicode?
Do not rely on it. Styled letters are different characters, so search, hashtags and mentions can treat them as something else. Keep keywords, hashtags and @handles plain.
Can I use these styles in my X display name and bio?
They paste into both, but they use up the limits faster and are hard for screen readers. Keep your actual name in plain letters so people can read and search for it.
Why do some letters look different or show as boxes?
A few styled letters come from another Unicode block, like the italic h, which is the Planck constant symbol. Devices without a font for a character show an empty box.
Is my text sent anywhere?
No. The conversion is a character lookup in your browser, with no sign up and no cost. Nothing is uploaded.

Written by Jonas Ben, founder of Kairo Post. Updated .

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