Write in bold on LinkedIn
LinkedIn has no bold button — this tool converts your text into Unicode characters every network displays. Select, click, copy-paste. With an exact preview of your post.
Accented letters (é, è, à…) have no bold variant in Unicode and stay in regular style.
Use bold sparingly: screen readers struggle with formatted characters — a few words, not paragraphs.
LinkedIn preview
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Try free for 7 daysTL;DR — To write in bold on LinkedIn, you need to convert text into Unicode "mathematical sans-serif bold" characters (𝗹𝗶𝗸𝗲 𝘁𝗵𝗶𝘀): LinkedIn has no formatting button in posts. This tool converts in one click (bold, italic, lists), previews your post with the ~210-character "see more" cut, and the result also works on X, Instagram and Facebook.
By Sébastien de Bollivier · Updated
Unicode bold catches the eye in the feed — on your hook, a number, a key sentence. But it cuts both ways: an all-bold post reads like spam, and screen readers stumble on it. The right dose: a few strategic words, never whole paragraphs.
How it works
Select, click, copy. That's it.
1. Write or paste your post
Your full draft, line breaks included.
2. Select and format
Highlight the words to emphasize, click Bold or Italic. With no selection, the whole text is converted.
3. Copy and publish
The Copy button grabs the formatted text — paste it as-is into LinkedIn, X or Instagram.
What to know about Unicode bold
The rules of the game, honestly.
It's not "real" bold
These are Unicode mathematical characters (𝗔 is not A). That's why it works everywhere: LinkedIn, X, Instagram, Facebook, bios, comments.
Accented letters stay plain
Unicode has no bold variant for é, è, à or ü: those letters stay in regular style inside bold text. A Unicode limitation, not the tool's.
Accessibility: use sparingly
Screen readers sometimes spell these characters letter by letter. Keep bold for a few words — never a whole paragraph.
The hook first
LinkedIn's "see more" cut lands around 210 characters. One bold word in the hook draws the eye; the preview shows exactly what's visible.
Frequently asked questions
Why doesn't LinkedIn have a bold button?
LinkedIn only offers formatting in articles, not in posts. The only way to get bold in a post is special Unicode characters — which is exactly what this tool does.
Does Unicode bold hurt reach?
No serious study shows an algorithmic penalty. However, a post drowning in bold reads like spam and drives readers away — overuse is what hurts, not the Unicode character.
Which networks does it work on?
Anywhere Unicode renders: LinkedIn, X (Twitter), Instagram (posts and bio), Facebook, TikTok, Threads, even WhatsApp or Telegram. Display is identical on mobile and desktop.
Why don't my accented letters turn bold?
The Unicode mathematical alphabet only covers A-Z, a-z and 0-9. Accented letters (é, è, à, ç, ü…) have no bold variant and stay regular — noticeable but rarely a problem across a few words.
Can screen readers read formatted text?
Often badly: some spell out every character. That's the real reason to use it sparingly — a few bold words pass, an entire paragraph becomes unreadable for part of your audience.
Is my text sent anywhere?
No. The conversion happens entirely in your browser: nothing is sent, nothing is stored, no sign-up.
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