Bold & Italic Text Generator — For LinkedIn, Instagram and X

What is a Bold Text Generator?

A Bold Text Generator (बोल्ड टेक्स्ट जनरेटर) lets you add 𝐛𝐨𝐥𝐝, 𝑖𝑡𝑎𝑙𝑖𝑐, u̲n̲d̲e̲r̲l̲i̲n̲e̲d̲ or s̶t̶r̶u̶c̶k̶-̶o̶u̶t̶ text to places that only accept plain text. LinkedIn posts, Instagram captions and bios, X posts, YouTube descriptions and many comment boxes have no formatting buttons, which makes long posts hard to scan. Unicode — the standard behind all digital text — includes complete alphabets of bold and italic letters originally intended for mathematics. Swapping your letters for those characters makes words look bold or italic anywhere you paste them.

This tool is built for real posts, not just single words. Paste a whole LinkedIn update, wrap the parts you want to emphasise in **double asterisks** or _underscores_, and the generator styles only those parts while keeping everything else plain — just like writing Markdown. It also works in reverse: paste styled text and convert it back to normal letters for editing, translation or reuse.

Key Features

• Eight styles — serif bold, italic, bold italic, sans bold, sans italic, monospace, underline and strikethrough.
• Selective styling — **bold** and _italic_ markers, removed automatically.
• Whole-text mode — untick the option, or use text without markers, to style everything.
• Convert back to normal — undo styling with Unicode normalisation.
• Live result in a ready-to-copy box.
• Keeps line breaks, emoji and Hindi exactly as typed.
• Private — runs entirely in your browser.

How to Use It — Step by Step

1. Paste or type your post into the top box.
2. Mark words: write **this** for bold and _this_ for italic. Example: “Excited to join **Prompt Minds** as a _content strategist_!”
3. Choose a style from the buttons — the bold style is used for **marked** words and its matching italic for _marked_ words.
4. Check the result in the lower box.
5. Copy and paste into LinkedIn, Instagram, X, YouTube or WhatsApp.

The Styles Compared

Writing Better LinkedIn Posts with Bold Text

On LinkedIn, only the first two or three lines show before “see more”, and readers skim. Bold text helps them find the point quickly. Good practice:

• Bold the hook — the first line that makes people click “see more”.
• Bold short section labels such as 𝗥𝗲𝘀𝘂𝗹𝘁𝘀: or 𝗞𝗲𝘆 𝗹𝗲𝘀𝘀𝗼𝗻:.
• Keep sentences plain — a whole bold paragraph is tiring to read and loses the effect.
• Leave hashtags, names and links plain so they stay clickable and searchable.

WhatsApp Has Its Own Formatting

Inside WhatsApp you can format without any tool: wrap text in *asterisks* for bold, _underscores_ for italic, ~tildes~ for strikethrough and ```three backticks``` for monospace. Those only work within WhatsApp. If you want the same look in your WhatsApp status image caption, profile “About”, or when forwarding to other apps, Unicode styles from this tool keep their look everywhere.

Before and After Example

What you paste:

“**3 lessons from my first year as a founder**: talk to customers _every week_, hire slowly and protect your sleep.”

What you get with Sans bold:

“𝟯 𝗹𝗲𝘀𝘀𝗼𝗻𝘀 𝗳𝗿𝗼𝗺 𝗺𝘆 𝗳𝗶𝗿𝘀𝘁 𝘆𝗲𝗮𝗿 𝗮𝘀 𝗮 𝗳𝗼𝘂𝗻𝗱𝗲𝗿: talk to customers 𝘦𝘷𝘦𝘳𝘺 𝘸𝘦𝘦𝘬, hire slowly and protect your sleep.”

The headline stands out, the key phrase is gently emphasised in italic, and the rest of the advice stays in plain text that everyone — including screen-reader users — can read normally. With the Sans bold style, marked italic words use the matching sans italic; with Bold or Bold italic they use the serif italic.

How Unicode Bold Works

Every character has a code point in Unicode. The ordinary capital A is U+0041, while the mathematical bold capital A is U+1D400, the bold italic A is U+1D468 and the sans-serif bold A is U+1D5D4. These alphabets are stored in order, so the generator can find the bold version of any letter or digit by its position. Underline and strikethrough use a different method: a combining low line (U+0332) or combining long stroke overlay (U+0336) is added after each character, and the device draws it under or through the letter. Because all of this is plain text, it survives copy and paste between apps, devices and operating systems.

Converting Styled Text Back to Normal

Styled letters cause trouble when you need to edit, translate, spell-check or search the text. Press Convert back to normal and the tool applies Unicode NFKC normalisation, which maps mathematical bold, italic, script, full-width and circled letters back to their plain forms, and removes underline and strikethrough marks. It is also handy for cleaning text copied from other people's posts before quoting it in a document.

Accessibility and SEO Considerations

Unicode bold is a visual trick. Screen readers used by blind and low-vision people may read each styled letter as a symbol name, or skip it entirely, so “𝗦𝗮𝗹𝗲” could be read as “mathematical sans-serif bold capital S…”. Search engines and in-app search may also not treat styled words as normal words. For that reason:

• Use styling for emphasis on a few words, not for entire posts.
• Never put essential information — dates, prices, phone numbers, links — only in styled text.
• Avoid styling your name or brand where people need to find it.

Popular Uses

• LinkedIn posts, headlines and “About” sections.
• Instagram captions and bios.
• X posts and threads (note: styled letters may count as 2 characters).
• YouTube video descriptions and pinned comments.
• Facebook posts, groups and marketplace listings.
• Telegram and Discord messages.
• Showing a struck-out old price next to a new one.

Common Mistakes to Avoid

• Bolding everything — emphasis only works when it is rare.
• Styling hashtags — they stop working as hashtags.
• Forgetting the closing marker — **bold needs ** on both sides; unmatched markers are left as they are.
• Using styled text in résumés or official documents — use real formatting in Word or Google Docs.
• Expecting Hindi to become bold — only English letters and digits have bold versions.

Troubleshooting

• Markers still visible — make sure there is no space between the asterisks (** not * *) and that each marked part is on one line.
• Underscores inside words not changed — words like file_name are left alone on purpose; italic markers must be at word boundaries.
• Boxes on some phones — very old devices may lack the fonts; sans bold and serif bold have the widest support.
• X counts more characters — styled letters are outside the basic range and X counts many of them as 2.

Quick Checklist Before You Post

• Is only the hook or a few key words styled?
• Are names, hashtags, links and numbers left plain?
• Does the post still read well if the styling were removed?
• Have you previewed it on your phone as well as a computer?
• Would a short bullet list make it even easier to scan?

Quick Glossary

• Unicode bold: separate bold-looking characters from the Mathematical Alphanumeric Symbols block.
• Markdown: a simple way of formatting plain text with symbols like ** and _.
• NFKC normalisation: a Unicode process that converts compatibility characters, including styled letters, to their plain equivalents.
• Combining mark: a character that attaches to the previous letter, used for underline and strikethrough.
• Serif / sans-serif: fonts with small strokes at the ends of letters (serif) or without them (sans-serif).
• Hook: the opening line of a social post that makes readers want to see more.

Why Use This Bold Text Generator?

It handles whole posts with selective styling, offers the styles that work best on professional and social platforms, converts styled text back when you need it, and gives honest guidance on accessibility — all free, instantly and privately in your browser.

Bold & Italic Text Generator — Key Facts

Frequently Asked Questions

Explore More Prompt Minds Tools

Bold & Italic Text Generator works great alongside our other free tools. Every Prompt Minds tool runs entirely in your browser — no sign-up, no uploads, no watermarks. Browse all free tools.