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Hex Encoder/Decoder

Convert text to hexadecimal and vice versa

01

What is Hexadecimal?

Hexadecimal (hex) is a base-16 number system that uses 16 symbols: 0-9 and A-F. Each byte (8 bits) can be represented by exactly two hexadecimal digits, making it a compact way to represent binary data.

02

How does it work?

How to use this tool? Select Encode mode to convert text to hex, or Decode mode to convert hex back to text. When decoding, you can include or omit the '0x' prefix and spaces - they will be automatically removed. Use Ca…

03

Sample Cases

Covers Encode simple text, Encode with special characters, and Decode with 0x prefix so you can compare common inputs and outputs quickly.

/ Code

/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code
TypeScript
typescript
// Encode text to hexadecimal
function textToHex(text: string): string {
  return Array.from(text)
    .map((char) => char.charCodeAt(0).toString(16).padStart(2, '0'))
    .join('');
}

// Decode hexadecimal to text
function hexToText(hex: string): string {
  // Remove any spaces or 0x prefix
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