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/ Base64 Text

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Base64

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Base64 Text

Encode and decode Base64 text

■ 01

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to encode data that needs to be stored or transferred over media designed to deal with text.

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How does it work?

Base64 converts binary data into text by dividing the input into 6-bit groups and mapping each to one of 64 ASCII characters (A-Z, a-z, 0-9, +, /). Every 3 bytes of input produces 4 characters of output. Padding with '=…

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Sample Cases

Covers Encode simple text, Encode with special characters, and Longer text encoding so you can compare common inputs and outputs quickly.

/ Code

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/ Integration

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

/ Source Code

TypeScript

typescript

// Encode text to Base64
function encodeBase64(text: string): string {
  return Buffer.from(text, 'utf-8').toString('base64');
}

// Decode Base64 to text
function decodeBase64(base64: string): string {
  return Buffer.from(base64, 'base64').toString('utf-8');
}