HTML to Base64

Convert HTML source code to Base64 encoded string securely in your browser.

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Drop your HTML file here

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What is HTML to Base64 Encoding?

HTML to Base64 encoding is the process of converting HTML source code into a string of ASCII characters using the Base64 encoding scheme. This is often used for embedding small HTML snippets into other documents, data URIs, or transmitting HTML content through channels that only support text.

Embed Snippets

Easily embed HTML code into JavaScript, XML, or other text-based formats without worrying about special characters.

Data URIs

Create data:text/html;base64 URIs that can be used in iframes or link tags to display HTML content directly.

Browser-Based

All encoding happens in your browser. Your HTML source code is never sent to any server.

How to use the HTML to Base64 Encoder?

  1. Enter HTML: Paste your HTML code into the input area or drag and drop an .html file.
  2. Set Options: Choose if you want the "data:text/html;base64," prefix.
  3. Convert: The conversion happens automatically if "Auto-convert" is enabled.
  4. Copy/Download: Use the buttons to copy the Base64 string to your clipboard or download it as a text file.