- Enter the Web Font Subsetter input in the field on the page.
- Click "Subset" to run the tool in your browser.
- Read the result below the form and copy it if you need it in another app.
Web Font Subsetter
Subset web fonts to reduce file size.
Output will appear here…
How to Use This Tool
Learn More About Web Font Subsetter
About Web Font Subsetter
Subset web fonts to reduce file size. Extract only the glyphs you need.
About
Subset web fonts to reduce file size. Extract only the glyphs you need.
Subset web fonts to reduce file size. Extract only the glyphs you need.
- Runs in browser
- Yes
- No signup required
- Yes
Examples
Example usage
Try the tool with sample input.
Input
{
"font": "AQIDBA==",
"chars": "Aa"
}Output
Output is different on every run (random bytes, salt, or nonce). Use the Result area after you click the action button.
Use Cases
- Check web font subsetter values while you draft a page, spreadsheet, or config.
- Paste a sample into Web Font Subsetter and copy the output into your workflow.
- Keep sensitive inputs on-device — this page runs the calculation in the browser.
Frequently Asked Questions
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