Convert OTF to WOFF online in seconds — free, with no sign-up. WOFF is lossless and ideal for web fonts with broad browser support. Your files are encrypted and deleted automatically after 24 hours.
WOFF
Web Open Font Format — A compressed web font wrapper around TrueType/OpenType.
How to convert OTF to WOFF
- 1Upload your OTF file
Click “Choose a file” or drag and drop your OTF file onto the page — no sign-up or email needed.
- 2Convert to WOFF
WOFF is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your WOFF file
Your WOFF file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
OTF vs WOFF
| OTF | WOFF | |
|---|---|---|
| Full name | OpenType Font | Web Open Font Format |
| Type | Font | Font |
| Compression | Lossless | Lossless |
| Best for | professional typography; converted to WOFF2 for the web | web fonts with broad browser support |
Frequently asked questions
Does converting OTF to WOFF lose quality?
Converting OTF to WOFF keeps your content intact. We use high-quality defaults so your WOFF file looks as close to the original as the format allows.
What's the difference between OTF and WOFF?
OpenType Font (OTF) is lossless and best for professional typography; converted to WOFF2 for the web. Web Open Font Format (WOFF) is lossless and best for web fonts with broad browser support. Convert OTF to WOFF when you need a font for web fonts with broad browser support.
Is the OTF to WOFF converter free?
Yes — converting OTF to WOFF is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my OTF files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert OTF to WOFF on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert OTF to WOFF?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert OTF files to?
Besides WOFF, you can convert OTF to TTF, WOFF2 and more — see the full list of OTF conversions below.
Other conversions
Last updated July 2026