Base64 to HTML

Decode Base64 strings back to HTML source code with live preview.

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Drop your Base64 file here

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What is Base64 to HTML Decoding?

Base64 to HTML decoding is the process of reversing Base64 encoded text back into its original HTML source code. This is essential for developers who need to extract and view HTML content that has been stored or transmitted as Base64 strings.

Extract Content

Quickly decode Base64 strings from data URIs, database fields, or API responses back into readable HTML.

Live Preview

Instantly see how the decoded HTML looks in a sandboxed preview environment as you type.

Secure Sandbox

Preview is rendered in a secure iframe sandbox to protect your browser from potentially harmful scripts.

How to use the Base64 to HTML Decoder?

  1. Enter Base64: Paste your Base64 encoded string into the input area. It supports strings with or without the "data:text/html;base64," prefix.
  2. Automatic Decoding: The tool will automatically decode the string if 'Auto-convert' is checked.
  3. Preview & Inspect: View the original HTML code and see the live preview below the output area.
  4. Download: Save the decoded HTML as a file for use in your project.