ASCII to Hex Converter

Convert text between ASCII and hexadecimal

What is This Tool?

Text and encoding converters transform data between different representation formats. ASCII-to-hex converts text to hexadecimal byte values, binary-to-decimal converts number bases, hex-to-RGB converts color codes, and Base64 handles binary-to-text encoding used in emails and web.

Formula
ASCII to Hex: each character -> its Unicode code point in base 16 Binary to Decimal: sum of (digit x 2^position) Hex to RGB: #RRGGBB -> R,G,B decimal values (0-255) Base64: 3 bytes -> 4 ASCII characters using A-Z, a-z, 0-9, +, /
Worked Examples

1. ASCII to Hex

Given: Hello

H=48, e=65, l=6C, l=6C, o=6F

Result: 48 65 6C 6C 6F

2. Binary to Decimal

Given: 1010

1x8 + 0x4 + 1x2 + 0x1 = 10

Result: 10

3. Hex to RGB

Given: #FF5733

FF=255, 57=87, 33=51

Result: rgb(255, 87, 51)

Frequently Asked Questions