Bold font generator
For the platforms — Instagram bios, tweets, most bios and comments — that don't let you bold text normally.
Why this works where normal bold doesn't
Most social apps don't support real text formatting — no bold button in an Instagram bio or a tweet. This works around that by using Unicode characters that are already bold by design (a separate set of code points, not a style applied to normal letters), so the "bold" is baked into the character itself and survives being pasted anywhere.
Four weights are available: a serif bold, a sans-serif bold, a bold italic, and a bold script — pick whichever fits your platform's default font best.
Frequently asked questions
Can I use this to bold text in my Instagram bio?
Yes — copy the bold version and paste it directly into your bio; Instagram displays it as-is since it's just Unicode characters, not a formatting instruction.
Does bold Unicode text work in tweets?
Yes, X/Twitter renders standard Unicode text, including these bold character sets.
Is there a bold Unicode number style?
Yes, the serif bold style includes bold digits 0-9 alongside the letters.