Base64 to HTML Converter
Decode Base64 strings back to UTF-8 HTML markup in your browser.
Base64 to HTML
Decode Base64 back to UTF-8 text. If you paste a full data:text/html;base64,… URL, the tool strips the prefix automatically.
Useful for reversing HTML-to-Base64 workflows or inspecting embedded markup. To encode HTML to Base64, use the
HTML to Base64 Converter.
Safety
Decoded HTML is shown as text in the editor. Do not paste untrusted Base64 into production systems without reviewing the decoded output. For CSS decoding, see the Base64 to CSS Converter. For image formats, check the APNG to Base64 Converter.
Frequently Asked Questions
Why do I see mojibake after decoding?
The source may not be UTF-8, or the Base64 may be corrupt. Verify the encoder used the same charset you expect.
Can I decode images?
This tool targets text/HTML. Binary image Base64 should use an image decoder or hex viewer instead.
Does whitespace in the Base64 string matter?
Whitespace is removed before decoding, so wrapped lines from email or chat usually work fine.
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