What is HTML to Base64?
HTML to Base64 Converter encodes HTML markup into Base64 data URI strings.
How to use HTML to Base64
Paste HTML code to generate a Base64 data URI string instantly.
Key features
- Encodes HTML to Base64 Data URI
- 100% client-side operation
Common use cases
- Embedding HTML templates inside JavaScript variables
Technical details & standards
Encodes HTML strings to Base64 format client-side.
Frequently asked questions
What is the Data URI format for HTML?
data:text/html;base64,...
Is my data safe?
All processing happens entirely in your browser. Your data never leaves your device and is never sent to or stored on a server.
Does it work offline?
Yes. Once the page has loaded, most tools keep working without an internet connection.