Add underline to any text using Unicode combining characters. Works in Instagram bios, Twitter posts, Discord, WhatsApp, and everywhere plain text is supported. Free with multiple underline styles.
An underline text generator adds a line beneath each character using Unicode combining underline characters (U+0332). Unlike HTML or markdown underline which is limited to specific apps, Unicode underline works in plain text fields everywhere — Instagram bios, Twitter profiles, Discord usernames, WhatsApp messages, and more. It is the only way to underline text in social media captions and bios.
Type your text in the input field above.
See your underlined text generated instantly in multiple styles.
Click the copy button next to your preferred underline style.
Paste into Instagram, Twitter, Discord, WhatsApp, or any app.
Free with no sign-up or download required.
Unicode underline works in Instagram, Twitter, Discord, WhatsApp, and more.
Multiple underline styles: single, double, dotted, and wavy underline variants.
Real-time generation as you type.
Works on all devices including mobile.
Unicode combining underline (U+0332) — plain text underline that works everywhere.
Double underline and dotted underline variants.
Bold and italic underlined text combinations.
One-click copy for each style.
No character limit.
Input
Hello
Output
H̲e̲l̲l̲o̲
Input
Underline
Output
U̲n̲d̲e̲r̲l̲i̲n̲e̲
Input
Important
Output
I̲m̲p̲o̲r̲t̲a̲n̲t̲