Hex Encoder / Decoder
Convert text strings to hexadecimal bytes and decode Hex to text.
Hex Encoder / Decoder
About Hex Encoder / Decoder
The Hexadecimal String Converter translates text into hexadecimal byte pairs (00-FF), UTF-8 hex sequences, and formatted hex dump blocks with configurable prefixes (0x, \x, space) and instant bidirectional decoding.
How to Use Hex Encoder / Decoder
Step 1
Choose "Text to Hex" or "Hex to Text".
Step 2
Paste your content into the input box.
Step 3
Configure hex prefix and delimiter options.
Step 4
Click "Copy Hex" to export the result.
Practical Use Cases for Hex Encoder / Decoder
Firmware & Embedded Systems Development
Format string constants into C-style hex byte arrays (0x48, 0x65, 0x6C, 0x6C, 0x6F) for microcontroller ROM storage.
Reverse Engineering & Binary Analysis
Inspect hexadecimal string representations and decode hex dumps from memory snapshots and packet captures.
Input & Output Examples
Converting "Hello" to Hexadecimal
Text: Hello, Prefix: 0x, Delimiter: Space
0x48 0x65 0x6C 0x6C 0x6F (Plain Hex: 48656c6c6f)
Key Features & Performance
- ✓Converts Text to Hex and Hex to Text bidirectionally.
- ✓Custom prefixes (0x, \x, %, none) and delimiters (Space, Comma, Colon, None).
- ✓UPPERCASE and lowercase hex formatting toggle.
- ✓Supports full UTF-8 multibyte character encoding.
- ✓100% Client-Side execution with zero server latency.
- ✓1-Click Copy formatted hex output.
Key Terminology & Definitions
Hexadecimal (Base-16)
A positional numeral system with a radix of 16 that uses sixteen distinct symbols (0-9 and A-F) to represent 4-bit nibbles.
Hex Dump
A visual hexadecimal view of computer data that shows memory addresses, byte values in hex, and corresponding ASCII characters.