Most social networks don’t let you format text, but they do accept any Unicode character. The Mathematical Alphanumeric Symbols block contains bold, italic and script versions of every letter, so text built from them looks bold wherever it is pasted.
How to use the Bold Text Generator
- Your text
Everything runs in your browser, so results appear instantly and nothing you type is sent to a server.
How it works
Type or paste your text; each bold style appears with a copy button.
Good to know
These styles are made from special Unicode characters, not fonts, so they keep their look when pasted into social media bios, chats and posts. Screen readers may read them letter by letter or skip them, so avoid them for important information. Everything is calculated in your browser, so nothing you type is sent to our server.
Tips
- Results are estimates meant for planning and fun – adjust the inputs to match your situation.
- Everything runs in your browser, so you can try as many variations as you like.
- Share the result link with friends so everyone sees the same numbers.
- For safety-related hobbies (hammocks, balloons, tents), follow the manufacturer’s limits.
Common mistakes to avoid
- Using default values when you know your own figures.
- Treating rough rules of thumb as exact.
- Forgetting to add breaks, travel or setup time.
Formula
Each letter A–Z, a–z and digit 0–9 is replaced by its counterpart in the Unicode Mathematical Alphanumeric Symbols block (U+1D400–U+1D7FF)Worked example
Inputs — Your text: Speedy Calculator makes maths easy.
Results — Bold (serif) = 𝐒𝐩𝐞𝐞𝐝𝐲 𝐂𝐚𝐥𝐜𝐮𝐥𝐚𝐭𝐨𝐫 𝐦𝐚𝐤𝐞𝐬 𝐦𝐚𝐭𝐡𝐬 𝐞𝐚𝐬𝐲; Bold (sans-serif) = 𝗦𝗽𝗲𝗲𝗱𝘆 𝗖𝗮𝗹𝗰𝘂𝗹𝗮𝘁𝗼𝗿 𝗺𝗮𝗸𝗲𝘀 𝗺𝗮𝘁𝗵𝘀 𝗲𝗮𝘀𝘆; Bold italic = 𝑺𝒑𝒆𝒆𝒅𝒚 𝑪𝒂𝒍𝒄𝒖𝒍𝒂𝒕𝒐𝒓 𝒎𝒂𝒌𝒆𝒔 𝒎𝒂𝒕𝒉𝒔 𝒆𝒂𝒔𝒚; Bold script = 𝓢𝓹𝓮𝓮𝓭𝔂 𝓒𝓪𝓵𝓬𝓾𝓵𝓪𝓽𝓸𝓻 𝓶𝓪𝓴𝓮𝓼 𝓶𝓪𝓽𝓱𝓼 𝓮𝓪𝓼𝔂; Characters = 34.
Frequently asked questions
How do I make bold text on Instagram?
Generate it here, copy it and paste it into your bio, caption or comment.
Will bold text work everywhere?
Most modern phones and browsers show it; a few older systems display empty boxes.
Is bold Unicode text bad for SEO?
Search engines may not read it as normal words, so don't use it for important keywords.
What formula does the Bold Text Generator use?
Each letter A–Z, a–z and digit 0–9 is replaced by its counterpart in the Unicode Mathematical Alphanumeric Symbols block (U+1D400–U+1D7FF).