?
ASCII 63
ASCII Character
Question Mark
ASCII byte 63 (0x3F) — Unicode U+003F. Standard ASCII is 0–127; extended bytes 128–255 use Windows-1252.
How to type ?
Windows
- Copy ? with the Copy Symbol button above and paste it anywhere.
- In HTML, use ? or hex ?.
- In JavaScript, use String.fromCharCode(63).
- You can also type this character with a Windows Alt Code (U+003F).
Mac
- Copy ? with the Copy Symbol button and paste it (fastest method).
- Open System Settings → Keyboard → Input Sources and add Unicode Hex Input (if needed).
- Select Unicode Hex Input from the menu bar input menu.
- Hold Option (⌥), type 003F (from U+003F), then release Option.
- Or open Edit → Emoji & Symbols (or press Ctrl + Cmd + Space) and search for the character.
- In HTML on Mac editors, you can also paste ?.
Linux
- Copy ? with the Copy Symbol button and paste it.
- Press Ctrl + Shift + U, type 003f (from U+003F), then press Enter or Space.
- On GNOME, you can also use Ctrl + . (or Ctrl + ;) to open the character picker.
- In HTML, use ?.
ASCII character details
| Parameter | Value | Copy |
|---|---|---|
| Symbol |
?
|
|
| Symbol Name |
Question Mark
|
— |
| ASCII Decimal |
63
|
|
| ASCII Hex |
0x3F
|
|
| Unicode Code |
U+003F
|
|
| HTML Decimal Code |
?
|
|
| HTML Hex Code |
?
|
|
| HTML Entity |
?
|
|
| CSS Code |
\003F
|
|
| JavaScript Code |
\u003F
|
|
| Category |
ASCII Printable Characters (32–126)
|
— |
| Windows Alt Code | View Alt Code | — |
FAQs about Question Mark ASCII Code Symbol
What is the ASCII code for Question Mark ASCII Code Symbol?
ASCII decimal 63, hex 0x3F, Unicode U+003F.
How do I copy ??
Click Copy Symbol on this page to copy the character directly.
How do I type ASCII 63 in JavaScript?
Use String.fromCharCode(63) to output this character in JavaScript.
Does ASCII 63 have an Alt Code?
This character may also be typed with a Windows Alt Code — view details.
About this ASCII Character
ASCII byte 63 (0x3F, U+003F) is question mark. Part of the complete standard ASCII table (0–127).
Tags: question-mark,ascii,extended-ascii,63,0x3F,U+003F,ascii table,copy symbol