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Base64 Converter

Handle data encoding securely. Encode or decode Base64 strings instantly on your device.

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Tip: Base64 encoding is commonly used to embed images in HTML/CSS or transmit binary data as text.

Free Base64 Encoder & Decoder Online - Convert Text and Files

Encode text to Base64 or decode Base64 strings back to plain text instantly. Our free Base64 converter supports UTF-8 text and file encoding. Preview Base64, images before download. Perfect for developers working with APIs, embedding images in HTML/CSS, and handling data transmission. All processing happens locally—your data stays private.

1When to use this tool?

💡Converting image files to text for transmission
💡Understanding email attachment encoding
💡Needing simple data obfuscation

2Features

  • Bidirectional conversion (Encode/Decode)
  • UTF-8 support
  • Instant processing
  • Secure client-side execution

3How to Use

  • Enter text or Base64 string into the input field.
  • Click 'Encode' to convert text to Base64.
  • Click 'Decode' to convert Base64 back to text.

FAQ

Q. What is Base64?

A. Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format.

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