Font generator

Bold font to copy and paste

Type in the box to get bold letters, like 𝗕𝗮𝗰𝗸 𝗶𝗻 𝘀𝘁𝗼𝗰𝗸 𝗙𝗿𝗶𝗱𝗮𝘆, then copy them into an Instagram bio, a caption or a Facebook comment. This bold isn’t a font your phone installs. Each letter is replaced by a bold character from a set Unicode made for maths, so the bold is part of the text itself and stays put in apps that have no formatting at all.

Updated 6 October 2026

Your text in every style

Changes as you type. It all happens in your browser, so nothing is uploaded.

  • 𝗕𝗮𝗰𝗸 𝗶𝗻 𝘀𝘁𝗼𝗰𝗸 𝗙𝗿𝗶𝗱𝗮𝘆

    Bold

  • 𝐁𝐚𝐜𝐤 𝐢𝐧 𝐬𝐭𝐨𝐜𝐤 𝐅𝐫𝐢𝐝𝐚𝐲

    Bold (serif)

  • 𝘽𝙖𝙘𝙠 𝙞𝙣 𝙨𝙩𝙤𝙘𝙠 𝙁𝙧𝙞𝙙𝙖𝙮

    Bold italic · Numbers stay upright.

  • 𝖡𝖺𝖼𝗄 𝗂𝗇 𝗌𝗍𝗈𝖼𝗄 𝖥𝗋𝗂𝖽𝖺𝗒

    Sans serif

  • 𝙱𝚊𝚌𝚔 𝚒𝚗 𝚜𝚝𝚘𝚌𝚔 𝙵𝚛𝚒𝚍𝚊𝚢

    Typewriter

More styles37

Bold & italic · 3

  • 𝐵𝑎𝑐𝑘 𝑖𝑛 𝑠𝑡𝑜𝑐𝑘 𝐹𝑟𝑖𝑑𝑎𝑦

    Italic (serif) · Numbers stay upright.

  • 𝘉𝘢𝘤𝘬 𝘪𝘯 𝘴𝘵𝘰𝘤𝘬 𝘍𝘳𝘪𝘥𝘢𝘺

    Italic · Numbers stay upright.

  • 𝑩𝒂𝒄𝒌 𝒊𝒏 𝒔𝒕𝒐𝒄𝒌 𝑭𝒓𝒊𝒅𝒂𝒚

    Bold italic (serif) · Numbers stay upright.

Cursive · 2

  • ℬ𝒶𝒸𝓀 𝒾𝓃 𝓈𝓉ℴ𝒸𝓀 ℱ𝓇𝒾𝒹𝒶𝓎

    Cursive · Numbers stay as they are.

  • 𝓑𝓪𝓬𝓴 𝓲𝓷 𝓼𝓽𝓸𝓬𝓴 𝓕𝓻𝓲𝓭𝓪𝔂

    Bold cursive · Numbers stay as they are.

Gothic · 2

  • 𝔅𝔞𝔠𝔨 𝔦𝔫 𝔰𝔱𝔬𝔠𝔨 𝔉𝔯𝔦𝔡𝔞𝔶

    Old English · Numbers stay as they are.

  • 𝕭𝖆𝖈𝖐 𝖎𝖓 𝖘𝖙𝖔𝖈𝖐 𝕱𝖗𝖎𝖉𝖆𝖞

    Bold Old English · Numbers stay as they are.

Outline · 1

  • 𝔹𝕒𝕔𝕜 𝕚𝕟 𝕤𝕥𝕠𝕔𝕜 𝔽𝕣𝕚𝕕𝕒𝕪

    Outline

Bubbles & boxes · 6

  • Ⓑⓐⓒⓚ ⓘⓝ ⓢⓣⓞⓒⓚ Ⓕⓡⓘⓓⓐⓨ

    Bubble

  • 🅑🅐🅒🅚 🅘🅝 🅢🅣🅞🅒🅚 🅕🅡🅘🅓🅐🅨

    Black bubble · Capitals only.

  • 🄱🄰🄲🄺 🄸🄽 🅂🅃🄾🄲🄺 🄵🅁🄸🄳🄰🅈

    Square · Capitals only.

  • 🅱🅰🅲🅺 🅸🅽 🆂🆃🅾🅲🅺 🅵🆁🅸🅳🅰🆈

    Black square · Capitals only. Some letters show as emoji (🅰 🅱 🅾 🅿).

  • 🄑⒜⒞⒦ ⒤⒩ ⒮⒯⒪⒞⒦ 🄕⒭⒤⒟⒜⒴

    Brackets

  • Back in stock Friday

    Wide (vaporwave)

Small · 2

  • ʙᴀᴄᴋ ɪɴ ꜱᴛᴏᴄᴋ ꜰʀɪᴅᴀʏ

    Small caps

  • ᴮᵃᶜᵏ ⁱⁿ ˢᵗᵒᶜᵏ ᶠʳⁱᵈᵃʸ

    Tiny · No small q exists, so a look-alike is used.

Lines · 6

  • B̶a̶c̶k̶ i̶n̶ s̶t̶o̶c̶k̶ F̶r̶i̶d̶a̶y̶

    Strikethrough

  • B̸a̸c̸k̸ i̸n̸ s̸t̸o̸c̸k̸ F̸r̸i̸d̸a̸y̸

    Slashed

  • B̲a̲c̲k̲ i̲n̲ s̲t̲o̲c̲k̲ F̲r̲i̲d̲a̲y̲

    Underline

  • B̳a̳c̳k̳ i̳n̳ s̳t̳o̳c̳k̳ F̳r̳i̳d̳a̳y̳

    Double underline

  • B̅a̅c̅k̅ i̅n̅ s̅t̅o̅c̅k̅ F̅r̅i̅d̅a̅y̅

    Overline

  • B̤a̤c̤k̤ i̤n̤ s̤t̤o̤c̤k̤ F̤r̤i̤d̤a̤y̤

    Dotted

Fun · 11

  • ʎɐpᴉɹℲ ʞɔoʇs uᴉ ʞɔɐᗺ

    Upside down

  • γɒbiɿꟻ ʞɔoƚƨ ni ʞɔɒᙠ

    Mirror

  • B̖̍ả̭c͎̉k̖̉ ḯ̖ǹ̖ s̖̈́ẗ͎́o̖̍c̖̍k̺̉ F͎̈́r̺̉ỉ̠d̠̈́a̠̍y͎̍

    Glitch

  • B̖̍ả̭c̭̖̠̉̍̉k̺̖̠̺͎̈́̍̀̈́̍ i̖̍n̠̺͎̖͎̍̈́ͪ̉̍ s̠̠̠̠̠̈́̉̍̍̈́t̠̍ö͎̖͎̖̖́̍̍̍̈́c̭̠͎̈́̉̈́k̖̭̖̍̉̍ F̖͓̭̈́̍̍r͎̠͎͎̭̍̍̍̈́̈́i̭̠̠̍̉̍ḓ̺̭̍̍ͫä̺̠͎͎̭́̈́̈́̉̍ỷ̺̭̺̍̈́

    Zalgo (heavy glitch)

  • B a c k i n s t o c k F r i d a y

    Spaced out

  • ✧・゚: *✧・゚:* Back in stock Friday *:・゚✧*:・゚✧

    Sparkles

  • ♡ B a c k ♡ i n ♡ s t o c k ♡ F r i d a y ♡

    Hearts

  • ꒰ঌ Back in stock Friday ໒꒱

    Cute frame

  • ★彡 Back in stock Friday 彡★

    Stars

  • ❀ Back in stock Friday ❀

    Flowers

  • ➳ Back in stock Friday ➳

    Arrows

Look-alike · 4

  • ฿₳₵₭ ł₦ ₴₮Ø₵₭ ₣ⱤłĐ₳Ɏ

    Currency · Letters from currency signs; hard to read for screen readers.

  • Баcк їп $тѳcк Fяїдач

    Faux Cyrillic · Real Cyrillic letters chosen for their shape, so the words read as gibberish to screen readers.

  • ꌃꍏꏳꀘ ꀤꈤ ꌚ꓄ꂦꏳꀘ ꎇꋪꀤꀷꍏꌩ

    Fancy · Yi syllables chosen for their shape.

  • ᏰᏗፈᏦ ᎥᏁ ᏕᏖᎧፈᏦ ᎦᏒᎥᎴᏗᎩ

    Tribal · Cherokee and Ethiopic letters chosen for their shape.

Where they work

Bold font: where they work
WhereWorks?Notes
Instagram nameWorksThe name field takes bold letters, and your name is one of the first things a visitor reads. Search goes by the letters people type, though, so a name that only exists in bold may not come up when someone looks for it.
Instagram bioWorksBold suits the one line you want read first, such as your opening hours or what you sell. When every line is bold, none of them stands out.
Instagram usernameDoesn't workA handle may contain only a–z, 0–9, full stops and underscores, and bold maths letters are none of those. Keep the username plain and put the bold in your name.
Captions, comments and DMsWorksBold maths letters have been in Unicode since 2001, so current iPhones, Android phones and computers can draw them. They earn their place on a heading or a key phrase, not a whole caption.
Hashtags and @mentionsDoesn't work#𝗯𝗮𝗸𝗲𝗿𝘆 is spelled with different characters from #bakery, so it usually won’t join that tag, and a bold @mention won’t match anyone’s username. Type both in normal letters.
Facebook posts, comments and MessengerWorksBold displays in posts, comments and chats. A bold first line makes a useful heading for a long post, as long as the rest stays plain.
Facebook profile nameDoesn't workFacebook wants the name you use in everyday life and doesn’t allow symbols or unusual capitalization in it. Bold maths characters don’t fit those rules, so expect a bold name to be turned down.
Word, Google Docs and slidesPartlyPasted bold keeps its look, but it isn’t formatting: Ctrl+B or Cmd+B won’t switch it off, and changing the font won’t change it either. Use the app’s own bold there.

Five looks, and only three are bold

The styles shown first above differ in weight and in shape. Here is “Back in stock Friday” in each of them.

StyleExampleWeightShape
Bold𝗕𝗮𝗰𝗸 𝗶𝗻 𝘀𝘁𝗼𝗰𝗸 𝗙𝗿𝗶𝗱𝗮𝘆BoldUpright, without serifs
Bold (serif)𝐁𝐚𝐜𝐤 𝐢𝐧 𝐬𝐭𝐨𝐜𝐤 𝐅𝐫𝐢𝐝𝐚𝐲BoldUpright, with serifs, the small feet at the ends of strokes
Bold italic𝘽𝙖𝙘𝙠 𝙞𝙣 𝙨𝙩𝙤𝙘𝙠 𝙁𝙧𝙞𝙙𝙖𝙮BoldSlanted, without serifs
Sans serif𝖡𝖺𝖼𝗄 𝗂𝗇 𝗌𝗍𝗈𝖼𝗄 𝖥𝗋𝗂𝖽𝖺𝗒RegularUpright, without serifs
Typewriter𝙱𝚊𝚌𝚔 𝚒𝚗 𝚜𝚝𝚘𝚌𝚔 𝙵𝚛𝚒𝚍𝚊𝚢RegularEvery letter the same width

Plain bold is what most people mean, and it sits most naturally beside the sans-serif type that Instagram and Facebook use. Serif bold looks printed, more like a menu or a newspaper headline. Sans serif and Typewriter aren’t bold at all: they show the same kind of letters at regular weight, which helps you judge how much the bold adds, and Typewriter’s even spacing gives a line the look of a receipt or a label.

One weight, and no extra bold

A font you install usually comes in a range of weights. Web designers number them from 100, the thinnest, to 900, the heaviest, with 400 for regular and 700 for bold. Pasted bold has exactly one weight. Unicode has no light, semi-bold or extra-bold letters, so anything offered as “extra bold” is the same characters or another style under a new name.

Even that one weight isn’t fixed. What you paste is a run of character codes, not a design, and each phone draws them with whatever font it keeps for maths letters, so the same caption can look heavier on one screen than another. For something blacker than bold, the nearest style here is Black square, white capitals in black boxes, though every letter becomes a capital and some, such as 🅰 and 🅾, may turn into emoji.

Real bold or pasted bold: three quick checks

Copy a bold heading out of a post into a document or an email and you may not know which kind you’ve got. These checks tell them apart:

  1. Paste it into a plain text box, such as a search bar. Formatting is dropped on the way, so real bold arrives as normal letters, while pasted bold stays bold because the weight is in the characters.
  2. In a document, select it and press Ctrl+B, or Cmd+B on a Mac. Real bold switches off; pasted bold doesn’t budge.
  3. Change the font. Real bold follows the new font, while pasted bold keeps looking exactly as it did.

If it turns out to be pasted bold, retype it before you use it in anything formal. Spellcheck and screen readers don’t treat maths characters as ordinary words, and the characters may print in an unexpected font.

When you need a real bold font

For a poster, a logo, slides or anything printed, use an installed font with a bold weight rather than these characters. Montserrat and Poppins, for example, are free on Google Fonts in nine weights, from Thin to Black. Install one on your computer to use it in Word, or pick it in a design app that already includes it.

In a document, real bold is a shortcut away: select the text and press Ctrl+B, or Cmd+B on a Mac. That bold is formatting laid over ordinary letters, so it can be switched off the same way, and everything from spellcheck to screen readers still sees plain words.

A bio that skims well

Bold works best as signposts. Bold the label at the start of a line and leave the detail after it plain, so people can scan down the left edge and still copy what they need:

  • 𝗛𝗼𝘂𝗿𝘀 Tue to Sun, 9 to 6
  • 𝗢𝗿𝗱𝗲𝗿𝘀 DM us or use the link below

In a caption, bold the first line: it’s what shows before Instagram cuts a long caption off with “more”. Leave phone numbers, emails, prices and links plain. A bold version is made of different characters, so it may not work when someone taps or copies it.

Questions people ask

Why do some letters in my bold text look normal?

They have no bold version. Unicode only has bold for A to Z, a to z and 0 to 9, so accented letters such as é and ñ, punctuation, currency signs and scripts like Devanagari stay as you typed them. Hinglish written in English letters converts fully, as in 𝗖𝗵𝗮𝗶 𝗿𝗲𝗮𝗱𝘆 𝗵𝗮𝗶; Hindi written in Devanagari doesn’t.

Which bold looks best on a phone?

Plain sans-serif bold, in most cases. Its even strokes stay clear at small sizes and sit comfortably next to the app’s own text. Serif bold suits a name or a heading when you want a printed, formal feel, and bold italic is best saved for a single word you want to stress.

Is bold text bad for accessibility?

In small doses it’s fine. Screen readers handle these characters unevenly: some spell them out one at a time, some read a long Unicode name for each, and some skip them. Use bold for the few words sighted readers should spot first, and keep the message itself in plain text so nobody misses it.

Will bold text help my posts get seen?

There’s no sign that it does, and it can work against you. Search matches the words people type, and bold characters may not match them, so a caption written entirely in bold can be harder to find. Bold a hook or a heading and keep your keywords plain.

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