Character U+00E4
Char U+00E4
Char
ä
Unicode
U+E4
Conversion Results
dec: 228
hex: 0xE4
oct: 344
bin: 11100100
Appears in charsets
Canonical
/char/u00e4Unicode & UTF
Unicode 映射与其在常见编码（UTF‑8/16/32）中的表示，便于复制粘贴与调试。
| Unicode | U+E4 | |
| Unicode dec | 228 | |
| UTF-8 (hex) | C3 A4 | |
| UTF-8 (bin) | 11000011 10100100 | |
| UTF-16 | 00E4 | |
| UTF-32 | 000000E4 |
HTML & URL
Web 场景常用的 HTML 实体、URL 转义与 QP 编码，方便在页面/邮件/日志中使用。
| HTML Number | ä | |
| HTML Hex | ä | |
| URL Escape | %C3%A4 | |
| Quoted-printable | =C3=A4 |
Source Code Escapes
C, C++, and Java
"\u00E4"
CSS Code
\00E4
JavaScript
"\u00E4"
Perl
\x{E4}
Python 2
u"\u00E4"
Python 3
"\u00E4"
Ruby
\u{E4}