ZatConvert ZatConvert
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Text Utility

🔐 Base64 Encoder/Decoder


Loading Base64 Encoder/Decoder...

How to Use Base64 Encoder/Decoder

  1. To Encode: Type or paste your text in the left "Plain Text" area.
  2. The "Base64 Encoded" output will appear instantly on the right.
  3. To Decode: Type or paste Base64 text in the right "Base64 Encoded" area.
  4. The decoded text will appear instantly on the left.
  5. Use the "Swap" button to switch between encoder and decoder modes.
  6. Use the "Encode File" button to upload and encode a file to Base64.
  7. Use the "Copy" button to copy the Base64 output to your clipboard.

💡 Pro Tip: Base64 is commonly used for embedding images in HTML/CSS, sending binary data in JSON, and encoding authentication tokens. Use the file encoder to convert images to Base64 for web development.

Why Use Base64 Encoder/Decoder

  • ✅ 100% client-side processing - your data never leaves your browser
  • ✅ Encode and decode Base64 in real-time as you type
  • ✅ File upload support to encode entire files to Base64
  • ✅ One-click copy to clipboard for easy sharing
  • ✅ Completely free to use with no registration required
  • ✅ Perfect for developers, designers, and API integration
  • ✅ No file size limits for text (browser memory permitting)
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