WOFF to WOFF2 Converter
Processing entirely on your device — large files may take a moment.
Web Open Font Format and Web Open Font Format 2 exist for different jobs: WOFF is the older web font format (version 1) — larger than WOFF2 but still required by some legacy browser support matrices and old @font-face stacks. Convert to WOFF2 before shipping any font to a website — it is the smallest and fastest-loading option browsers support.
This converter runs entirely in your browser using WebAssembly — your files never leave your device, nothing is uploaded, and there are no watermarks, sign-ups or queues. Drop in several files at once to convert them as a batch.
How WOFF compares to WOFF2
| WOFF | WOFF2 | |
|---|---|---|
| Web readiness | Native @font-face | Native @font-face |
| Quality | Same outlines as source | Same outlines as source |
| Compatibility | IE9+ and all modern browsers | All modern browsers |
| Best for | Legacy-browser web fonts | Modern web typography |
How to convert WOFF to WOFF2
- 1
Select your files
Drag & drop your WOFF files onto the area above, or click to browse. You can add multiple files at once for batch conversion.
- 2
Convert instantly
Click "Convert to WOFF2". The conversion runs entirely inside your browser using WebAssembly — no upload, no queue, no waiting.
- 3
Download results
Download each converted WOFF2 file individually, or grab everything at once as a ZIP archive.
About the WOFF format
WOFF (Web Open Font Format, 2010) wrapped TTF/OTF data in a web-first container: zlib compression (~40% smaller), strict table structure, and optional license metadata that foundries required before allowing web embedding. It powered the first generation of real web typography under @font-face.
Its successor WOFF2 compresses better with Brotli and has since become the only format modern sites ship. WOFF remains useful for one reason: legacy browsers (IE9–IE11 era) that never learned WOFF2.
+ Strengths
- ✓Compressed and web-legal by design
- ✓Works back to IE9-era browsers
! Limitations
- −Superseded by WOFF2 everywhere current
- −Larger than WOFF2 for identical glyphs
About the WOFF2 format
WOFF2 (W3C, 2014) is the current standard of web fonts: the same TTF/OTF outlines compressed with Brotli, typically 30% smaller than WOFF and dramatically smaller than raw fonts, plus a table-transform optimization that shrinks glyf data further. Every browser since 2016 decodes it; no modern site ships anything else.
It is strictly a web container — you cannot install a WOFF2 into the OS directly — so the workflow is one-way: desktop font (TTF/OTF) converts to WOFF2 for the site, while the source file stays for design tools. Pair it with `font-display` and subsetting for maximum loading speed.
+ Strengths
- ✓Smallest web font format (Brotli + transforms)
- ✓Universal modern browser support
- ✓Works with both TTF and OTF outlines
! Limitations
- −Not installable on desktop directly
- −No support in IE-era browsers
Why convert WOFF to WOFF2?
There is a concrete reason this conversion exists: Superseded by WOFF2 everywhere current WOFF2 sidesteps that — Smallest web font format (Brotli + transforms) If that is your situation, the tool above settles it in seconds, entirely on your device.
Frequently asked questions
Is this WOFF to WOFF2 converter really free?
Yes — completely free, with no sign-up, no watermark and no daily conversion limits. The site is supported by advertising.
Are my files uploaded to a server?
No. The conversion runs entirely inside your browser using WebAssembly, so your files never leave your device — that is what makes it instant and private.
Does it work on Windows, Mac, iPhone and Android?
Yes. Anything with a modern browser works: Windows, macOS, Linux, Android and iOS. No software installation is required.
Is there a file size limit for WOFF to WOFF2?
The only limit is your device's memory, since nothing is uploaded. Files up to a few hundred megabytes work fine on a modern desktop browser; very large files simply take a little longer.
Does converting WOFF to WOFF2 change how the font looks?
No. The glyph outlines are carried over as they are — conversion changes the container and compression, not the shapes your users see.
Do I still need the license for the converted font?
Yes. Converting a format does not change its license — the same foundry terms apply wherever the font is used, including the web.