Bold & Italic Text Generator

The tool converts your regular text into Unicode bold characters (specifically, Mathematical Bold Unicode characters that look visually bolder than standard text). When you type or paste text into the generator, it maps each letter to its bold Unicode equivalent, creating text that renders as bold on any platform that supports Unicode characters — which is virtually every modern platform including Instagram, Twitter, Facebook, Discord, Reddit, and most website comment systems.

Bold Unicode text renders based on the font installed on each user's device. On iOS and Mac, the Mathematical Bold Unicode characters typically render with full bold weighting. On Windows, rendering depends on whether the font supports these specific Unicode ranges — if not, it falls back to a different font that may look thinner. Android generally renders them well. The text is always the same character codes; only the visual rendering varies by platform and device.

Yes! Instagram fully supports bold Unicode text in both bios and captions. Many popular Instagram accounts use bold text in their bios to make their name or tagline stand out, and bold text in captions can help key phrases stand out as users scroll through their feed. This is one of the most common use cases for our bold text generator.

HTML bold (using <strong> or **markdown**) only works on websites and platforms that render HTML or markdown. Bold Unicode text works everywhere — including in social media posts, messaging apps, and anywhere plain text is supported. However, HTML bold affects how text renders in web browsers, while Unicode bold changes the actual character shapes stored in the text.

Bold text can increase engagement by making key phrases visually stand out as users quickly scroll through their feed. Studies on visual hierarchy in social media show that text contrast and emphasis help important information get noticed. Using bold strategically for your key message, call-to-action, or most surprising statement can improve comprehension and engagement — but overusing it throughout your post can actually reduce readability and hurt engagement.

Yes! The Unicode Mathematical Bold characters support the Latin alphabet (A-Z, a-z), Cyrillic, Greek, Hebrew, and many other scripts. However, support for Asian scripts (Chinese, Japanese, Korean) and emoji-style scripts is limited. The tool works best with standard Western European and American text.

Screen readers typically read bold Unicode text as the underlying characters — so they don't announce "bold text" the way they would with HTML <strong> tags. However, the textual content is preserved and read correctly. For critical accessibility-sensitive content, we recommend using HTML bold tags on your website and saving bold Unicode text for decorative or visual emphasis purposes on social media.

All-caps text reads as "shouting" to most audiences and can reduce engagement because it feels aggressive or difficult to read. Bold text adds visual emphasis without the negative connotations of caps. Additionally, bold text preserves word shapes and readability while all-caps destroys the natural shapes of words that help readers process text quickly. Use bold for emphasis; avoid all-caps for anything longer than a word or two.

Bold Unicode text works on Instagram, Twitter/X, Facebook, TikTok bio, Discord, Reddit, and most platforms that support Unicode characters.

It's bold-styled Unicode text (not HTML bold). On most platforms and devices, it renders as a thicker, more prominent font — giving your text visual emphasis.

Yes! Once generated, you can copy the bold text and paste it directly into Instagram posts, Twitter bios, Facebook updates, or anywhere else.

Yes, the bold text generator is 100% free with no signup required. Generate unlimited bold text conversions instantly.