OTF to WOFF
Convert OTF to WOFF online, free — right in your browser. Nothing is uploaded.
Everything ran in your browser — nothing was uploaded.
How to use the OTF to WOFF
- Drop in your OTF font file.
- The output is already set to WOFF.
- Click Convert and download your WOFF font.
About the OTF to WOFF
OTF to WOFF converts a OTF font to WOFF, right in your browser. OpenType (OTF) is the modern desktop format with advanced typographic features, widely used by designers. WOFF is the Web Open Font Format — a compressed wrapper made for websites and supported by every browser.
Converting OTF to WOFF gives you a web font with the widest browser support, useful when you must cover older browsers. It runs entirely in your browser — WOFF2 via Google's woff2 engine (WebAssembly) in a background worker, WOFF via the browser's own compression — so your font is never uploaded. This is a container conversion: the glyph outlines are preserved exactly, only the wrapper and compression change.
Frequently asked questions
Is my OTF font uploaded?
No. The conversion runs entirely in your browser; your font never leaves your device.
Will WOFF look different from the OTF?
No. The glyph outlines and metrics are preserved exactly — only the file format and size change.
Is WOFF good for websites?
WOFF2 is the smallest and best for modern sites; WOFF has the widest support; TTF/OTF are for desktop installation.
Do I need to install anything?
No. It works right here in the browser, with no software and no sign-up.