Base64 Encode & Decode – Free Online Converter

Actions

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Available Actions

  • Base64 Encode – Convert plain text into Base64 encoded format.
  • Base64 Decode – Convert Base64 encoded text back to readable plain text.

How to Use the Base64 Tool

  1. Select either “Base64 Encode” or “Base64 Decode”.
  2. Enter or paste your text into the input box.
  3. Click “Run” to process the conversion.
  4. View the result in the output area.
  5. Click “Copy Result” if needed.

What is Base64?

Base64 is an encoding scheme that converts binary data into ASCII text format. It is widely used to safely transmit data through systems that handle text, such as HTML, JSON, XML, and email.

Common Use Cases

  • Encoding images or files for web embedding
  • Transmitting binary data via APIs
  • Data serialization and storage
  • Email attachment encoding
  • Web development and debugging

Important Notes

  • Base64 encoding increases data size by approximately 33%.
  • This tool processes text directly in your browser.
  • Ensure the input is valid Base64 when using the decode function.

Use this simple and fast Base64 Encode & Decode tool to handle your encoding needs efficiently.