Convert WOFF Font to OTF Format
Superseded by WOFF2 which offers 30% better compression — WOFF is only needed for IE 9–11 fallback. Converting to OTF gives you a key advantage: supports advanced typographic features (ligatures, swashes, small caps, old-style numerals) and cubic bezier curves for smoother outlines. OTF is best for professional typography with advanced features like ligatures, stylistic alternates, and contextual substitutions.
Why Convert WOFF to OTF?
Superseded by WOFF2 which offers 30% better compression — WOFF is only needed for IE 9–11 fallback — converting to OTF overcomes this by providing supports advanced typographic features (ligatures, swashes, small caps, old-style numerals) and cubic bezier curves for smoother outlines
OTF is the right choice when you need to: professional book and magazine typesetting with ligatures and old-style figures
Gain broader compatibility — OTF works with Windows, macOS, Linux, Adobe apps (full feature support), modern browsers, professional design tools
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 OTF — Format Comparison
Web Open Font Format (.woff)
OpenType Font (.otf)
How to Convert WOFF to OTF
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 OTF as output format
Select .otf (OpenType Font) from the format list. Configure any format-specific settings to match your requirements.
Convert and download
Click Convert and wait for processing. Your OTF file will be ready to download in seconds. The result is optimized for professional typography with advanced features like ligatures, stylistic alternates, and contextual substitutions.
Frequently Asked Questions
Is the WOFF to OTF conversion lossless?
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When both formats support lossless data, the conversion preserves all content. CFF (cubic Bezier) or TrueType outlines; OpenType Layout features for advanced typography; up to 65,536 glyphs.
How large will my OTF file be compared to the original WOFF?
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WOFF files are typically 30 KB – 3 MB, while OTF files are typically 50 KB – 10 MB. The actual size depends on content complexity and any quality settings you choose.
What software can open the converted OTF file?
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OTF is compatible with: Windows, macOS, Linux, Adobe apps (full feature support), modern browsers, professional design tools.
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 OTF?
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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. OTF (OpenType Font) is best for professional typography with advanced features like ligatures, stylistic alternates, and contextual substitutions. Key tradeoff: WOFF's advantage is compressed wrapper around ttf/otf that reduces font file sizes by ~40% while adding web-specific metadata, while OTF's advantage is supports advanced typographic features (ligatures, swashes, small caps, old-style numerals) and cubic bezier curves for smoother outlines.
Pro Tips for WOFF to OTF Conversion
Review the output OTF 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
OTF works especially well for: multilingual publishing with fonts covering extended character sets (arabic, cjk, devanagari)
Did you know? OpenType was a joint peace treaty between Microsoft and Adobe — it unified Apple's TrueType and Adobe's PostScript Type 1 formats into a single standard, ending the "font wars" of the early 1990s.
Ready to Convert?
Upload your WOFF file above and get your OTF in seconds. Free, fast, and secure.