Convert OTF to WOFF Online

Convert OpenType Font (.otf) files to Web Open Font Format (.woff) format online for free. Fast, secure, and no sign-up required. Your files are automatically deleted within 1 hour.

Free online otf to woff converter — no software needed. Instantly change, transform, and export your files in seconds.

Drag & drop your file here

or browse to select — accepts .otf (max 10MB)

How to Convert OTF to WOFF Online

1. Upload Your File

Select or drag your .otf file into the converter

2. Convert Instantly

Your file is converted from .otf to .woff in seconds

3. Download Result

Download your converted .woff file to any device

Best Free OTF to WOFF Converter

Lightning Fast Conversion

Convert .otf to .woff in seconds. No waiting, no queues — instant processing.

100% Secure & Private

All files are encrypted in transit via HTTPS and auto-deleted within 1 hour. Your data stays private.

Works on Any Device

Browser-based converter — works on Windows, Mac, Linux, iOS, Android, and Chromebook. No installation needed.

No Sign-Up Required

Start converting immediately. No registration, no email, no watermarks on your converted files.

When to Convert OTF to WOFF

Sharing & collaboration

Send otf files to people who only have woff-compatible software, without losing layout or formatting.

Cross-platform compatibility

Open and edit your otf file on devices that don't support it natively by converting to woff once.

OTF vs WOFF — Why Convert?

OTF (OTF)

Standard OTF file format
Widely used across platforms
OTF files may have specific features
May require specific software to open

WOFF (WOFF)

WOFF format for broader compatibility
Easy to share and distribute
Supported by many applications
Ideal for your target workflow

OTF to WOFF — Frequently Asked Questions

Is OTF to WOFF conversion free?

Yes! Reformat offers free OTF to WOFF conversion. Free users get 3 conversions per day. Upgrade to Pro for unlimited conversions.

How do I convert .otf to .woff?

Simply upload your OpenType font, click Convert, and download your WOFF font. The entire process takes just seconds.

What is the maximum file size?

Free users can convert files up to 10MB. Pro users get up to 100MB, and Business users get up to 500MB.

Is my file safe?

Absolutely. All files are processed securely and automatically deleted from our servers within 1 hour. We never access or share your data.

Can I convert multiple files at once?

With a Pro or Business account you can batch convert multiple files. Free users can convert one file at a time.

Is the OTF to WOFF converter free?

Yes. Anonymous users get 5 free conversions per day; signed-in users get 10/day plus 2 AI uses. Pro removes the daily limit and raises the file-size cap.

What is the maximum file size for OTF to WOFF?

Free users can upload files up to 10MB. Pro raises this to 100MB and Business to 500MB.

Is it safe to upload my otf file?

Files are uploaded over HTTPS, processed on our servers, and deleted within 1 hour. We do not read, share, or train on file contents.