Symbol For Null Symbol
␀ is the “Symbol for Null” (U+2400), used as a visible placeholder for a null or empty value.
U+2400
␀ is a Unicode character named “SYMBOL FOR NULL” (U+2400). It’s often used when you want to show a null-like value explicitly in plain text. This page helps you copy it and use it in documents or code.
Symbol For Null Symbol Meaning
The character ␀ (Unicode U+2400, “SYMBOL FOR NULL”) is a visible representation of a null concept. In many contexts, “null” refers to “no value” or an “empty” placeholder. Because null values are sometimes invisible or ambiguous in logs and text, this symbol can make the state clear to humans. You might see it in technical documentation, debugging output, form/layout placeholders, or systems that encode special control states as readable symbols. It is not the same thing as the programming “null” value itself, but it can stand in for that meaning in text where a visible marker is helpful.
Common uses
- •Indicating a null/empty field in logs or debugging notes where missing data must be visible
- •Marking placeholders in documentation or templates (e.g., “null value” in examples)
- •Displaying a “no value” state in UI mockups or plain-text status screens
- •Writing test strings for systems that need an explicit null-like marker
- •Annotating exported text/CSV or reports to show intentionally absent values
Examples
␀ Symbol for Null (U+2400)
- ␀Status: ␀ (no value provided)
- ␀Result = ␀ — nothing to process
- ␀Field “middle_name”: ␀
- ␀Token stream: [␀] then [END]
- ␀Default setting: ␀
Variations
Ready to copy
Technical codes
| Unicode | U+2400 | |
| HTML Entity | ␀ | |
| HTML Code | ␀ | |
| CSS | \2400 | |
| Alt Code | Alt + 9216 | |
| Decimal | 9216 |
How to type Symbol For Null Symbol (␀)
On Windows
Hold Alt and type 9216 on the numeric keypad. In Word, type 2400 then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 2400. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 2400, then press Enter or Space.
Anywhere
Copy ␀ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What is ␀ and what does “Symbol for Null” mean?
␀ is Unicode character U+2400 named “SYMBOL FOR NULL”. It’s used as a visible marker meaning “null” or “no value” in text contexts.
How do I copy ␀ into my code or document?
You can copy the character directly (␀). For code or markup, you can also use the provided escapes like HTML ␀, CSS \\2400, or JavaScript \\u{2400}.
Is ␀ the same as the programming null value?
No. ␀ is a Unicode text character. It can represent the idea of null in visible text, but programming null is a data value defined by the language/runtime.
Where is ␀ commonly used?
Common uses include logging, documentation, templates, UI mockups, and test strings where a missing or absent value needs to be clearly visible.