Design Tools

Base64 Font Encoder — @font-face Generator

Encode a font file to Base64 in the browser and generate an embeddable @font-face snippet—useful for demos, email templates, and single-file pages that temporarily inline fonts. Files stay local.

Quick switch→CSS to Tailwind

FontBase64CSS

Quick switch:CSS to Tailwind Base64 Encode/Decode

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Use cases

Build a single-file demo page
Temporarily inline a font asset
Check encoded font payload size

How to use

Choose a font file
Enter the font family name
Copy the generated @font-face CSS

Example input and output

Font

demo.woff2

Output

@font-face { src: url(data:font/woff2;base64,...) }

FAQ

Is this suitable for production?

Large inlined fonts inflate CSS a lot. Production usually prefers separate font files with caching.

Is the font uploaded?

No. Reading and Base64 encoding happen locally in the browser.

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