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Base64 Encoder

Convert any text, URLs, or data into Base64 format. Perfect for API integration, data transmission, and web development. Completely secure and browser-based.

Input Text

Enter your text data here to encode it to Base64 format

Base64 Output

About the Base64 Encoder

This Base64 encoder tool allows you to convert any text, URLs, or data into Base64 format. Simply paste your content into the input field or upload a file, then click encode to get the Base64 representation.

Secure Encoding

All encoding happens in your browser - no data is uploaded to servers. Your information stays private and secure on your device.

Universal Compatibility

Base64 encoded data can be safely transmitted over any text-based protocol and is supported by all programming languages and platforms.

File Support

Upload text files directly for encoding or download your encoded results as files for easy sharing and storage.

Keyboard Shortcuts

Speed up your workflow with convenient keyboard shortcuts for encoding and clearing text. Perfect for developers and power users.

Common Use Cases for Base64 Encoding

  • Embedding images in HTML or CSS using data URLs (data:image/png;base64,...)
  • Encoding authentication tokens and API keys for HTTP headers
  • Storing binary data in JSON or XML where only text is allowed
  • Encoding email attachments in MIME format for transmission

Additional resources

This free Base64 encoder tool is part of our collection of developer utilities designed to make your coding workflow more efficient.

Base64 Encoder FAQ

Base64 encoding is a method to convert binary data or text into ASCII characters using a specific set of 64 characters (A-Z, a-z, 0-9, +, /). It's commonly used to encode data for transmission over text-based protocols like email or HTTP.

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