⌧
U+0004
(unnamed character)
- Category
- Cc — Control
- Block
- Basic Latin
- Script
- Common
- Plane
- Basic Multilingual Plane (BMP)
- Decimal
- 4
Encoding Table
This table shows the exact bytes used to represent U+0004 in each encoding. Unicode encodings (UTF-8, UTF-16, UTF-32) support every character; legacy encodings only cover a limited character set and show "not supported" when a character falls outside their range.
| Encoding | Bytes (Hex) | Bytes (Decimal) | Byte count |
|---|---|---|---|
| UTF-8 | 04 | 4 | 1 |
| UTF-16 LE | 04 00 | 4 0 | 2 |
| UTF-16 BE | 00 04 | 0 4 | 2 |
| UTF-32 LE | 04 00 00 00 | 4 0 0 0 | 4 |
| UTF-32 BE | 00 00 00 04 | 0 0 0 4 | 4 |
| ASCII | 04 | 4 | 1 |
| Latin-1 (ISO-8859-1) | 04 | 4 | 1 |
| Windows-1252 | 04 | 4 | 1 |
| ISO-8859-2 (Latin-2) | 04 | 4 | 1 |
| ISO-8859-5 (Cyrillic) | 04 | 4 | 1 |
| KOI8-R | 04 | 4 | 1 |
| Shift-JIS | 04 | 4 | 1 |
| EUC-JP | 04 | 4 | 1 |
| GBK | 04 | 4 | 1 |
| Big5 | 04 | 4 | 1 |
Escape Sequences
How to reference this character in source code, markup, and URLs.
HTML Named Entity
none
HTML Decimal

HTML Hex

CSS Escape
\4
JS / JSON Escape
\u0004
URL Percent-Encoded
%04
Python (repr)
\u0004
Codepoint (Decimal)
4
Glyph Details
View the glyph in different fonts and scripts on our sibling site.
View U+0004 on CharLookup.com ↗UTF-8 Binary Breakdown
UTF-8 encodes this character as 1 byte. Single-byte characters (U+0000–U+007F) are identical to ASCII — the high bit is always 0.
Byte 1
0
0
0
0
0
1
0
0
04
UTF-8: 04
· 1 byte
· Codepoint U+0004
Unicode Properties
- Unicode Version
- Introduced in Unicode 1.1
- Bidi Class
- BN — Boundary Neutral