Bold
HighSans-serif bold letters — the most reliable way to add weight.
Bold text for places with no formatting button — sans bold, serif bold, bold italic and bold capitals, ready to copy.
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Sans-serif bold letters — the most reliable way to add weight.
Mathematical bold serif — heavier and more formal than sans bold.
Bold and slanted at once, useful for short standout lines.
Uppercase sans bold for maximum weight in short lines.
Uppercase serif bold with a printed, formal tone.
Bold letters over a continuous underline.
Sans bold letters with a line struck through them.
Bold sans letters inside solid lenticular brackets.
Thicker cursive that stays legible at small sizes.
Heavy blackletter with strong medieval character.
Solid circles with knocked-out letters for high contrast.
Blocky CJK-style glyphs used in gaming handles and clan tags.
Leetspeak rendered in monospace for a terminal look.
Bold letters with a crown either side.
Bold serif with a slant — strong but still elegant.
Solid squares with cut-out letters — reads like a badge.
Bold letters under the same repeating glitch pattern.
Half-block bars for a hard-edged console look.
Monospace letters between two solid bars.
Heavy blackletter guarded by two skulls.
Filled square letters with lightning either side.
Bold blackletter between crossed swords.
Bold sans letters between two flames.
Bold capitals sitting between two ruled lines.
Showing Bold at roughly the size each app uses. Press the preview button on any style card to swap every mock-up instantly.
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𝗕𝗼𝗹𝗱 𝗧𝗲𝘅𝘁
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Preview only — not affiliated with or endorsed by these platforms. These are neutral mock-ups, and each app draws characters with its own fonts, so the real result can differ slightly.
Every row below shows the word Important converted by this page’s styles.
| Style | Example | Support |
|---|---|---|
| Bold | 𝗜𝗺𝗽𝗼𝗿𝘁𝗮𝗻𝘁 | High |
| Serif Bold | 𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭 | High |
| Bold Italic | 𝙄𝙢𝙥𝙤𝙧𝙩𝙖𝙣𝙩 | High |
| Bold Caps | 𝗜𝗠𝗣𝗢𝗥𝗧𝗔𝗡𝗧 | High |
| Bold Script | 𝓘𝓶𝓹𝓸𝓻𝓽𝓪𝓷𝓽 | High |
| Bold Underline | 𝗜̲𝗺̲𝗽̲𝗼̲𝗿̲𝘁̲𝗮̲𝗻̲𝘁̲ | High |
Sans bold is the workhorse: clean, modern, and closest to the interface font of most apps, so it blends in while still standing out. Serif bold is heavier and more formal, with thick and thin strokes that suggest print. For a single word inside a sentence, sans bold looks intentional; serif bold looks like a headline.
Both include bold digits, which many other styles do not. That makes them the right choice when your text contains numbers — a date, a price, a score.
Some apps already have bold. WhatsApp uses *asterisks*, Discord uses double asterisks, and any rich text editor has a toolbar. In those places real bold is better: it stays searchable, it adapts to the reader’s font, and assistive technology announces it as emphasis rather than reading out strange character names.
Unicode bold is for the fields that offer nothing: bios, display names, group subjects, form labels, spreadsheet cells and plain-text posts.
Unicode bold characters are not semantically bold. To software they are separate letters, so search will not match them, spell-check ignores them, and screen readers may spell them out or skip them. That is an acceptable cost for a decorative line in a bio and a real problem for a warning, a price or a deadline.
A good habit: if losing the text entirely would be a problem, keep it plain.
No. Ctrl+B applies formatting to normal letters. This swaps the letters for different characters that are drawn bold. The visual result is similar; the underlying text is not.
Because a bold A is a different character from a plain A. Searching for “sale” will not match the bold version, and vice versa. Keep searchable keywords in plain text.
Yes. Sans bold, serif bold and monospace all include bold digits. Script and blackletter do not, so numbers stay plain in those styles.
It has some of the best coverage of any style — iOS, Android, Windows and macOS all ship the glyphs. Very old devices are the only common exception.
That app is falling back to a different font for those characters. The characters are correct; the substitute font is lighter. Serif bold often survives this better than sans bold.
Closely related tools, chosen for this page rather than generated from a list.