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Base64 Encoder Decoder

Encode and decode Base64, plus convert between multiple formats including Hex, Binary, ASCII, URL encoding, Base32, and Unicode.

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Privacy: All encoding and decoding happens entirely in your browser. No data is sent to any server.

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Understanding Base64 Encoding

Base64 encoding is widely used in web development, email systems, and data transmission to represent binary data in a text format.

Common Use Cases

  • • Embedding images in HTML/CSS (Data URIs)
  • • Email attachments (MIME encoding)
  • • Storing binary data in JSON/XML
  • • Encoding authentication credentials
  • • Transmitting binary data over text protocols

Additional Formats

Our tool also supports conversion to Hex, Binary, ASCII, URL encoding, Base32, and Unicode escape sequences, making it a comprehensive encoding toolkit.

Frequently Asked Questions

Common questions about the Base64 Encoder Decoder

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It converts binary data into a set of 64 characters (A-Z, a-z, 0-9, +, /) that are safe for transmission over text-based protocols like email or HTTP.

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ℹ️ Disclaimer

This tool is provided for informational and educational purposes only. All processing happens entirely in your browser - no data is sent to or stored on our servers. While we strive for accuracy, we make no warranties about the completeness or reliability of results. Use at your own discretion.