What Is a Hex Converter?
A hex converter changes values between hexadecimal (base-16) and other common formats — decimal (base-10), binary (base-2), and plain text. Hexadecimal uses sixteen symbols (0-9 and A-F), with each hex digit representing exactly 4 bits, making it a compact, human-readable way to express binary data.
Quick Reference: Hex, Decimal, and Binary
| Decimal | Hex | Binary |
|---|---|---|
| 10 | A | 1010 |
| 15 | F | 1111 |
| 16 | 10 | 10000 |
| 255 | FF | 11111111 |
How to Use This Converter
Select what you're converting from and to using the two dropdowns (Hex, Decimal, Binary, or Text), paste or type your value into the box, and click Convert. Use the swap button (⇄) to quickly reverse the direction of conversion.
Common Hex Conversions
- Hex to Decimal — see the base-10 value of a hex number, useful for reading memory addresses or color codes.
- Decimal to Hex — convert everyday numbers into hexadecimal notation.
- Hex to Binary — expand hex values into their full binary representation.
- Hex to Text — decode hex-encoded bytes back into readable characters.
- Text to Hex — encode any text into its hexadecimal byte values.
Why Convert Hex Values?
Hexadecimal shows up throughout computing: CSS and design color codes (like #F5821F), memory addresses, MAC addresses, encoded URLs, cryptographic hashes, and debugging output are all commonly represented in hex. Being able to quickly convert between hex and decimal, binary, or text is useful for developers, students, and anyone working with encoded data.