About Hexadecimal Encoding
Hexadecimal is a base-16 number system using digits 0-9 and letters A-F. It's commonly used in computing because each hex digit represents exactly 4 bits, making it easy to convert between binary and hex.
Free Hex Converter
New
Convert between text and hexadecimal representation instantly.
Input (Text)
Output (Hex)
Common ASCII Hex Values
A
0x41
B
0x42
C
0x43
0
0x30
1
0x31
9
0x39
a
0x61
z
0x7A
Space
0x20
!
0x21
@
0x40
#
0x23
LF
0x0A
CR
0x0D
Tab
0x09
Null
0x00
Frequently Asked Questions
Common questions about Hex Converter.
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What this tool does
Convert UTF-8 text to hexadecimal bytes and back.
How to use it
Choose the direction and output separator. Decode complete pairs of hex digits.
Worked example
A becomes 41. UTF-8 é becomes C3 A9 with uppercase, space-separated output.
Limitations and checks
Each byte needs two digits. Hex bytes that are not valid UTF-8 are rejected by text decoding; this is not a general binary-file viewer.
How your data is processed
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