Undertie Symbol

There is no legacy Windows Alt code for Undertie because it is not in either the OEM code page 437 or Windows-1252 tables. The Unicode codepoint is U+203F, which you can use as ‿ in HTML, \203F in CSS, or type with Alt+8255 on Windows (BMP only). If your keyboard has no numeric keypad, use the Character Viewer, the HTML entity, or copy the character directly. Undertie is outside both legacy code pages, which is why U+203F is the identifier that works across Word, HTML, CSS, Python and JavaScript. Undertie has no named HTML entity, so use the numeric escape ‿ or the hex escape ‿.

Codes for this symbol

Copy any value by clicking it.
MethodValue
Alt + decimal
Alt + X hex
HTML decimal
HTML hex
CSS escape
Python escape
JavaScript escape
UTF-8 bytes
Unicode codepoint
Unicode block
Unicode category

Not available for this symbol: legacy Windows Alt code, macOS Option shortcut, named HTML entity.

How to type undertie on Windows

  1. Turn Num Lock on so the numeric keypad is active.
  2. Hold the left Alt key.
  3. Type 8 2 5 5 on the numeric keypad for the decimal codepoint 8255.
  4. Release Alt. The Undertie character (‿) appears.

If your keyboard has no numeric keypad, see how to type symbols without a numpad.

How to type undertie on macOS

There is no direct Option shortcut for Undertie. Open the Character Viewer with ⌃⌘Space, search for "Undertie" and click the character to insert it.

How to use undertie in code

  • HTML: or
  • CSS: content:"\203F"; ()
  • Python: \u203F or chr(0x203F)
  • JavaScript: \u203F or String.fromCodePoint(0x203F)
  • JSON: "\u203F"

Frequently asked questions

Is there an Alt code for ‿?

No legacy Alt code exists for Undertie because it is not in code page 437 or Windows-1252. Use the Unicode codepoint U+203F in HTML, CSS or the Character Viewer instead.

How do I type ‿ without a numpad?

Use the Windows Character Viewer (Win+.), the macOS Character Viewer (⌃⌘Space), an HTML entity such as ‿, or copy the character directly from this page.

Why does Alt+8255 not work?

Alt+8255 only works on a keyboard with a physical numeric keypad. It also requires the application to accept the numeric-keypad input path. Laptops without a numpad need an alternative method.

What is the Unicode for Undertie?

The Unicode codepoint for Undertie is U+203F. You can use this value in HTML as ‿, in CSS as \203F, and in Word with Alt+X.

How do I type ‿ on a Mac?

Open the Character Viewer with ⌃⌘Space and search for the character name or U+203F, then click it.