January 7, 2026

Base64 Encoding Guide: Usage & Examples | JSON View

Complete guide to Base64 encoding. Learn how it works, when to use Data URLs vs binary files, and avoid common security pitfalls in web development.

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme that represents binary data using 64 ASCII characters. It's commonly used to transmit binary data over text-based protocols like HTTP, email, and JSON.

The Base64 Alphabet

Base64 uses:

  • A-Z (26 characters)
  • a-z (26 characters)
  • 0-9 (10 characters)
    • and / (2 characters)
  • = for padding

Common Use Cases

1. Data URLs

Embed images directly in HTML or CSS:

\

← Back to Blog

Base64 Encoding Guide: Usage & Examples | JSON View

Complete guide to Base64 encoding. Learn how it works, when to use Data URLs vs binary files, and avoid common security pitfalls in web development.

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme that represents binary data using 64 ASCII characters. It's commonly used to transmit binary data over text-based protocols like HTTP, email, and JSON.

The Base64 Alphabet

Base64 uses:

Common Use Cases

1. Data URLs

Embed images directly in HTML or CSS:

\

← Back to Blog