Base64 Encoder / Decoder
Encode text to Base64 or decode a Base64 string back to plain text.
Plain Text Input
Base64 Output
How to Use
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1
Select mode: Encode (text → Base64) or Decode (Base64 → text).
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2
Paste your input and click the Encode/Decode button, or enable Live Conversion.
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3
Copy the output or use Swap ↔ to reverse the conversion.
📖 Want to learn more?
Read our in-depth guide: tips, best practices, FAQs, and real-world examples.
- Base64 increases size by ~33%
- Used for embedding images in CSS/HTML
- Base64 is NOT encryption — never use for security