Font Format Converter
Convert TTF, OTF, WOFF, and WOFF2 fonts online in your browser. Batch convert, adjust WOFF2 quality, preview glyphs — no upload.
Processed on your device — font files never leave your browser.
How to convert fonts
Use this tool when you need web fonts (WOFF/WOFF2) from desktop fonts, or when you need to unpack a web font back to TTF/OTF.
- Drop or select one or more .ttf, .otf, .woff, or .woff2 files.
- Choose WOFF2, WOFF, or TTF/OTF as the output format (and WOFF2 quality if needed).
- Click Convert — processing runs entirely in your browser.
- Download each file or grab a ZIP of all results.
Frequently Asked Questions
What does this font converter do?
It converts between common font containers: TTF/OTF (SFNT) and the web formats WOFF and WOFF2, including batch conversion.
Which formats are supported?
Inputs: TTF, OTF, WOFF, WOFF2. Outputs: WOFF2, WOFF, or the original SFNT saved as .ttf or .otf depending on the font flavor.
Can I convert OTF outlines to TTF (or the reverse)?
No. This tool changes the container (WOFF wrapping), not the glyph outline format. CFF (OTF) stays CFF; TrueType stays TrueType when you choose TTF/OTF output.
Are my fonts uploaded?
No. Conversion runs in your browser with woff-lib. Files stay on your device.
What is WOFF2 quality?
It controls Brotli compression level from 0 (fastest) to 11 (smallest). Higher values take longer but usually produce smaller WOFF2 files.
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