U+229E
Windows key⊞
Windows key is a monochrome text character from the Unicode Mathematical Operators block, listed here under Keyboard Keys. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents. It is often searched for as "key", "squared", "plus", "win".
Quick facts
- Unicode
- U+229E
- Decimal
- 8862
- Hex
- 0x229E
- Octal
- 0o21236
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+229E | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | SQUARED PLUS | |
| DecimalBase 10 | 8862 | |
| HexadecimalBase 16 | 0x229E | |
| OctalBase 8 | 0o21236 | |
| BinaryBase 2 | 0010001010011110 | |
| General categorySymbol, math | Sm | |
| Unicode blockU+2200–U+22FF | Mathematical Operators | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | ⊞ | |
| HTML entity (hex) | ⊞ | |
| CSS content escapeUse inside content: "…" | \229E | |
| URL encodedPercent-encoded UTF-8 | %E2%8A%9E |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u229E | |
| JSONUTF-16 surrogate pairs | \u229E | |
| Python | \u229E | |
| Java / C# / Kotlin | \u229E |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-83 bytes | E2 8A 9E | |
| UTF-16 (BE) | 229E | |
| UTF-32 (BE) | 0000229E |
How to type Windows key
Windows
Hold Alt and type +229E with the hex numeric keypad option enabled, or type 229E then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 229E. Or open Character Viewer (Control+Command+Space) and search "Windows key".
Linux
Press Ctrl+Shift+U, type 229e, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.
HTML, CSS & code
Paste the character directly, or use the escapes above: ⊞ in HTML, \229E in CSS, and \u229E in JavaScript.
Official Unicode reference
- Character name
- SQUARED PLUS
- Block
- Mathematical Operators (U+2200–U+22FF)
- General category
- Sm — Symbol, math
Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Mathematical Operators block: U2200.pdf (PDF, unicode.org).
Frequently asked questions
How do I copy the Windows key symbol?
Click the Copy button at the top of this page, or select ⊞ and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.
What is the Unicode code point for Windows key?
Windows key is U+229E (decimal 8862, hexadecimal 0x229E, octal 0o21236). It lives in the Mathematical Operators block (U+2200–U+22FF) of the Basic Multilingual Plane (BMP, Plane 0).
What is the official Unicode name of Windows key?
The Unicode Standard (version 18.0.0) names this character "SQUARED PLUS". Its General_Category is Sm (Symbol, math).
What is the HTML code for Windows key?
Use ⊞ or ⊞. In CSS, use content: "\229E".
How do I type Windows key in code?
JavaScript: "\u229E". Python: "\u229E". JSON and Java: "\u229E". The UTF-8 byte sequence is E2 8A 9E.
Is Windows key an emoji?
No. Windows key is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.