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Base64 Encoder / Decoder

Encode and decode Base64 strings online.

How to Use

  1. 1Enter or paste the text you want to encode or decode in the input field
  2. 2Click the "Encode" button to convert text to Base64 format
  3. 3Click the "Decode" button to convert Base64 string back to original text
  4. 4Use the "Copy" button to copy the result to clipboard
  5. 5Click the "Clear" button to reset all inputs and outputs

Use Cases

  • •Embed images directly in HTML or CSS without external files
  • •Encode binary data for JSON API responses
  • •Send email attachments in MIME format
  • •Encode data for safe URL transmission

Tips

  • 💡Base64 is not encryption - it's just encoding for safe transmission
  • 💡Encoded text is about 33% larger than the original
  • 💡Use for embedding small images directly in HTML or CSS
  • 💡Verify encoding/decoding by round-tripping your data

About This Tool

This is a free online tool that helps you complete tasks quickly. All processing happens in your browser to keep your data secure.

🔒 Privacy Protected⚡ Instant Processing🌐 No Registration

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