Convert WOFF Font to WOFF2 Format
Superseded by WOFF2 which offers 30% better compression — WOFF is only needed for IE 9–11 fallback. Converting to WOFF2 gives you a key advantage: brotli-based compression delivers 30% smaller files than woff — the most efficient web font format available. WOFF2 is best for optimal web font delivery with the smallest possible file sizes for fast page rendering.
Why Convert WOFF to WOFF2?
Superseded by WOFF2 which offers 30% better compression — WOFF is only needed for IE 9–11 fallback — converting to WOFF2 overcomes this by providing brotli-based compression delivers 30% smaller files than woff — the most efficient web font format available
WOFF2 is the right choice when you need to: serving web fonts with maximum compression for optimal core web vitals
Gain broader compatibility — WOFF2 works with Chrome, Firefox, Safari, Edge, Opera, Android Browser, iOS Safari — all modern browsers since ~2015
Your WOFF files were created for embedding fonts in html emails where woff2 support is inconsistent, but now you need a format suited to different workflows
WOFF vs WOFF2 — Format Comparison
Web Open Font Format (.woff)
Web Open Font Format 2 (.woff2)
How to Convert WOFF to WOFF2
Upload your WOFF file
Drag your .woff file onto the upload area or click to browse. We accept WOFF files up to 10 MB.
Choose WOFF2 as output format
Select .woff2 (Web Open Font Format 2) from the format list. Configure any format-specific settings to match your requirements.
Convert and download
Click Convert and wait for processing. Your WOFF2 file will be ready to download in seconds. The result is optimized for optimal web font delivery with the smallest possible file sizes for fast page rendering.
Frequently Asked Questions
Is the WOFF to WOFF2 conversion lossless?
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When both formats support lossless data, the conversion preserves all content. Identical glyph quality to source TTF/OTF; Brotli compression for optimal web delivery.
How large will my WOFF2 file be compared to the original WOFF?
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WOFF files are typically 30 KB – 3 MB, while WOFF2 files are typically 15 KB – 2 MB. The actual size depends on content complexity and any quality settings you choose.
What software can open the converted WOFF2 file?
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WOFF2 is compatible with: Chrome, Firefox, Safari, Edge, Opera, Android Browser, iOS Safari — all modern browsers since ~2015.
What is the maximum file size I can convert?
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PureConverter accepts WOFF files up to 10 MB. Your files are processed securely and deleted from our servers after conversion.
What's the difference between WOFF and WOFF2?
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WOFF (Web Open Font Format) is best for serving web fonts with decent compression and broad browser compatibility including older browsers. WOFF2 (Web Open Font Format 2) is best for optimal web font delivery with the smallest possible file sizes for fast page rendering. Key tradeoff: WOFF's advantage is compressed wrapper around ttf/otf that reduces font file sizes by ~40% while adding web-specific metadata, while WOFF2's advantage is brotli-based compression delivers 30% smaller files than woff — the most efficient web font format available.
Pro Tips for WOFF to WOFF2 Conversion
Review the output WOFF2 file to ensure all formatting and content transferred correctly from your WOFF source
Keep a backup of your original WOFF file — while our conversion is reliable, having the source is always recommended
WOFF2 works especially well for: reducing font-related render blocking on mobile connections
Did you know? WOFF2's Brotli compression was invented by Google specifically for this purpose — it later became a general-purpose compression algorithm used by virtually every CDN for HTTP content encoding.
Ready to Convert?
Upload your WOFF file above and get your WOFF2 in seconds. Free, fast, and secure.