How to use the Bold Text Generator
- Type or paste the words you want to emphasise.
- Pick a style — bold, italic, bold italic, monospace, script, double-struck, small caps, underline or strikethrough — and click Copy.
- Paste it into your LinkedIn post, Instagram caption or bio, X post or Facebook update.
- To undo styling, paste styled text into the box: the plain version appears underneath.
How “bold text” works on social media
Social networks only accept plain text in posts — there is no formatting. The trick is that Unicode includes complete alphabets of mathematical letters in bold, italic, script, monospace and other styles (originally for formulas, like 𝐀 or 𝑥). They are separate characters, not formatting, so they survive copy and paste into LinkedIn, Instagram, X, Facebook, TikTok, WhatsApp and Slack. Underline and strikethrough use combining characters placed after each letter.
Use it carefully
- Accessibility: screen readers often read these letters individually (“mathematical bold capital H…”) or skip them. Keep styled text to a few words and never style essential information.
- Search: styled words aren’t matched by platform search or hashtags. Leave keywords, names and hashtags in plain text.
- Coverage: only A–Z, a–z and (for some styles) 0–9 have styled versions — accented letters such as ä or é stay unchanged.
- Fonts: rare styles may show as boxes on older devices; bold sans and italic sans are the most widely supported.
Writing better posts
Emphasis works best on the hook in the first line — before LinkedIn’s or Instagram’s “…see more”. Check where that cut-off falls with the Social Media Character Counter, and keep line breaks deliberate. For headings in Markdown or HTML (blogs, READMEs, Webflow rich text) use real formatting instead — see Markdown to Webflow Rich Text. To change capitalisation rather than style, use the Case Converter.
Tools that pair well with the Bold Text Generator
- Smart Quotes to Straight Quotes — Code copied from Slack, Notion, Word or a blog won’t run?
- Word Counter — Paste or type your text to count words and characters live — plus reading and speaking time, keyword density and length checks for SEO titles, meta descriptions and social posts.
- Social Share Link Generator — Build “share this” links for 12 networks without plugins or tracking scripts — copy single links, the HTML for share buttons, or a tiny script that shares the current page on any Webflow CMS template.