What this X and Twitter formatter does
X and Twitter strip rich text, so you can't just press Ctrl+B to get bold in a post. This free text formatter and font generator works around that by substituting styled Unicode characters that look bold, italic, underlined, or struck through — the same technique behind most "Twitter font generator" tools — and it reshapes your text for the way people scan a feed: short lines, one idea per line, and a clean call-to-action.
Features
- Bold, italic, underline, strikethrough, small caps, monospace and bubble text styles you can apply to a selection or the whole post.
- Fix spacing adds a missing space after punctuation (skipping links, decimals like 3.50, and ellipses).
- Break lines puts each sentence on its own line with a blank line between, keeping any links intact.
- Accurate character counter that follows X's weighted rules: links always count as 23 characters, and styled text, emoji, and CJK characters count as two.
- Auto-threading that splits a long draft on word boundaries and numbers each part, leaving room for the counter.
- Live preview of how the post and thread will look in the feed.
How to use it
- Type or paste your draft into the box.
- To style part of it, select that text first, then tap a style button. With nothing selected, the action applies to the whole post.
- Tap "Fix spacing" and "Break lines" to tidy the layout, then copy.
Tips for readable X posts
- Lead with a one-line hook. The first line is all most people see in the feed, so make it land on its own before they tap "show more".
- One idea per line. Break long paragraphs into short, single-thought lines with space between them. Walls of text get scrolled past.
- Bold the hook, not the whole post. A little emphasis draws the eye; an entirely bold post is harder to read, counts double against the limit, and reads oddly to screen readers.
- Never style @mentions, #hashtags, or links. Converting them to fancy characters breaks the mention, tag, or link, so keep those plain.
- Put the call-to-action on its own line. A link or ask stands out far more when it isn't buried at the end of a sentence.
- For threads, keep each post to one short beat. Number them, front-load the payoff, and leave the reader a reason to read the next one.
- Post consistently. Short, well-structured posts published regularly outperform occasional long ones — formatting makes each one easier to read at a glance.
Does styled text hurt reach or accessibility?
Styled Unicode is real text, so it posts fine, but screen readers may announce it character by character or skip it, and it counts double toward the limit. Use it for the occasional emphasis rather than whole paragraphs.
Frequently asked questions
How do I get bold text on X or Twitter?
X and Twitter have no built-in bold button. Paste your text here, select it, and tap Bold — the tool swaps in bold Unicode characters you can copy straight into a post, reply, or bio.
Does bold and italic text actually work on X?
Yes. These are real Unicode characters, not formatting, so they display on X and Twitter across web, iOS, and Android. Keep @mentions, #hashtags, and links plain, though, since styling them breaks the tag or link.
Is this a Twitter font generator?
In effect, yes. There are no true custom fonts on X, but this generates styled Unicode text — bold, italic, small caps, monospace, and more — that works like a font generator for Twitter, and the same output pastes into Instagram, TikTok, Discord, and most other apps.
Is it free, and does it work on mobile?
It's completely free with no signup, runs entirely in your browser on phone or desktop, and stores nothing you type.