Character U+FFFD
Char U+FFFD
Char
�
Unicode
U+FFFD
Conversion Results
dec: 65533
hex: 0xFFFD
oct: 177775
bin: 1111111111111101
Appears in charsets
Canonical
/char/ufffdUnicode & 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+FFFD | |
| Unicode dec | 65533 | |
| UTF-8 (hex) | EF BF BD | |
| UTF-8 (bin) | 11101111 10111111 10111101 | |
| UTF-16 | FFFD | |
| UTF-32 | 0000FFFD |
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 | � | |
| HTML Hex | � | |
| URL Escape | %EF%BF%BD | |
| Quoted-printable | =EF=BF=BD |
Source Code Escapes
C, C++, and Java
"\uFFFD"
CSS Code
\FFFD
JavaScript
"\uFFFD"
Perl
\x{FFFD}
Python 2
u"\uFFFD"
Python 3
"\uFFFD"
Ruby
\u{FFFD}