Base64 Converter | Free Encode & Decode Tool - Designs24hr

BASE64 CONVERTER

Encode text to Base64 format and decode it back instantly.
UTF-8 Safe • Secure • 100% Free
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Why Use a Base64 Converter?

Base64 is a binary-to-text encoding scheme. It is widely used to encode binary data (like images or files) into ASCII text format so it can be safely transmitted over networks or embedded directly into code (HTML/CSS).

Common Use Cases

  • Web Development: Embedding images directly into HTML/CSS files to reduce HTTP requests.
  • Data Transmission: Sending binary data over email or JSON, which only support text.
  • Obfuscation: Hiding simple data from being immediately readable (though not secure encryption).

How It Works

This tool uses the standard JavaScript btoa() and atob() functions, enhanced with a special UTF-8 encoder (TextEncoder) to ensure that emojis, symbols, and foreign characters are preserved correctly during conversion.

Frequently Asked Questions

What is Base64 encoding?

Base64 encoding is a way of representing binary data using only printable ASCII characters. It is commonly used to encode images, files, or sensitive strings for transmission over networks.

Is my data secure?

Yes. This tool runs 100% in your browser using JavaScript. Your text or data is processed locally and never sent to our servers.

Does this support emojis and special characters?

Yes. Our converter uses robust UTF-8 handling logic, so emojis, foreign languages, and special symbols are encoded and decoded correctly without corruption.

Can I decode images?

If you paste a valid Base64 image string (e.g., data:image/png;base64...), this tool will decode the raw string data. While it won't display the image visually, it will reveal the underlying binary structure if needed.