关于本计算器
Convert numbers between decimal, hex, binary and octal, plus UTF-8 text to Base64 encoding and back.
进位制转换与 Base64 编解码器
二进制、八进制、十进制、十六进制相互转换及 UTF-8 文本 Base64 处理。
计算机进制转换器
十六进制 (Hex / Base-16)
0xFF
二进制格式 (Binary / Base-2)
11111111
八进制格式 (Octal / Base-8)
0o377
Base64 文本编码与解码器
Q2FsY0tpd2k=
...
常见问题
What is Base64?
A way to pack binary data into safe ASCII text, used in emails, data URLs and tokens.
Hex vs decimal?
Hex is base-16 shorthand for binary, two digits per byte; programmers read memory and colors in hex.
Why the 0x prefix?
A convention marking a literal as hexadecimal in C-like languages.