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Base64 Encoder/Decoder: Practical Guide for Text and Files

Learn what Base64 is,when to use it,and common pitfalls like double encoding and charset issues.

1 min read

What Is Base64?

A binary-to-text encoding that maps bytes to 64 ASCII characters; expands size by ~33%.

When to Use

  • Embedding small images or data URIs
  • Transporting binary in text channels

Pitfalls

  • Don’t confuse character encodings (UTF‑8 vs others).
  • Avoid double-encoding; decode once.

Try It

Encode/decode easily: Base64 Tool

Topics:#base64#text tools#encoding

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