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2026-02-181 min readby DevUtilz

Base64 Encoding: A Complete Guide for Developers

Base64EncodingWeb DevelopmentTutorial

What is Base64 Encoding? A Complete Guide for Developers

Introduction

Base64 encoding is a method used to convert binary data into a text format...

How It Works

Base64 converts binary into ASCII using a radix-64 representation.

Example

btoa("Hello World")

Use Cases

  • Embedding images in HTML/CSS
  • Sending binary data in APIs

Common Mistakes

  • Confusing encoding with encryption

Conclusion

Base64 is essential for web developers dealing with data transfer.