Web Open Font Format 2 (.WOFF2)
WOFF2 (Web Open Font Format 2.0) is the successor to WOFF, using Brotli compression to achieve approximately 30% better compression than WOFF and over 50% reduction compared to raw TTF/OTF files. It is the recommended web font format for modern websites due to its superior compression and universal browser support. WOFF2 also includes font-specific preprocessing to further optimize compression.
Advantages of Web Open Font Format 2
What the WOFF2 format does well, and why you might choose it.
- Best compression of any web font format, 30% smaller than WOFF
- Universal support in all modern web browsers
- Font-specific preprocessing optimizes compression beyond generic algorithms
Limitations of Web Open Font Format 2
What the WOFF2format doesn't do well, and when to choose another format.
- Not suitable for desktop application font installation
- Slightly slower to decompress than WOFF due to more complex compression
- Encoding requires more processing time than WOFF
What WOFF2 files are used for
- Primary web font format for modern websites
- Google Fonts and other web font service delivery
- Performance-optimized web typography for fast-loading pages
How WOFF2 files work
Font files contain glyph outlines (the shapes of letters, numbers, and symbols) plus metadata about kerning, hinting, OpenType features (small caps, ligatures, alternates), and Unicode coverage. TrueType (TTF) and OpenType (OTF) are the desktop standards; WOFF and WOFF2 are compressed wrappers around the same data, designed specifically for web delivery. WOFF2 typically halves the on-the-wire file size versus TTF/OTF without affecting rendered quality. Variable fonts pack multiple weights and widths into a single file using axes (weight, width, optical size), saving bandwidth when a site uses many variants of one typeface.
Best practices when working with WOFF2
Self-host web fonts in WOFF2 with a TTF or WOFF fallback for older browsers. Subset to the actual character set the site uses — a font with full Unicode coverage is 5-10× larger than one subset to Latin Extended. Use font-display: swap or font-display: optional in CSS to avoid invisible text while fonts load. Check the license before deploying — many fonts are licensed for desktop use only, or for a limited number of pageviews per month. Variable fonts collapse a 6-weight type family from six files into one, dramatically reducing total bandwidth.
Convert to WOFF2
The most common formats people convert to WOFF2, ready to convert in seconds.
Convert WOFF2 to other formats
Convert Web Open Font Format 2 files into the format you actually need.
Choosing WOFF2 versus the alternatives
WOFF2: web deployment, modern browsers (every browser of the last 7+ years). WOFF: web deployment with broader legacy browser support. TTF: desktop installation, design tools, print workflows. OTF: same as TTF but with extended OpenType features (small caps, alternates) — often the original release format from foundries. EOT: a Microsoft web format only relevant for IE8 and below; effectively dead in 2026.
Where WOFF2 fits in real workflows
Font workflows are about getting the same typeface to render identically across desktop design tools, web browsers, and document deliverables. Convert TTF/OTF originals to WOFF2 for web delivery, embed fonts in PDFs so they survive printing, and keep the original TTF/OTF as your master for desktop apps that don't accept compressed web variants.
Privacy and file handling
When you convert a WOFF2file with MegaConvert, the file is uploaded to our converter, processed, and automatically deleted within an hour. We don't train models on your files, share them with third parties, or retain them after the conversion completes. The download link expires when the file is removed. If your work involves files subject to NDA or compliance requirements (HIPAA, GDPR data processing), please review our privacy policy before uploading sensitive material.
Frequently asked questions about WOFF2
What is a .WOFF2 file?
WOFF2 (Web Open Font Format 2.0) is the successor to WOFF, using Brotli compression to achieve approximately 30% better compression than WOFF and over 50% reduction compared to raw TTF/OTF files. It is the recommended web font format for modern websites due to its superior compression and universal browser support. WOFF2 also includes font-specific preprocessing to further optimize compression.
What is the MIME type of WOFF2?
The official MIME type for WOFF2 files is font/woff2. This is the value web servers and applications use to identify the format when transferring files.
What category does WOFF2 belong to?
WOFF2 is a Font Converter format. Files in this category share common conversion paths and use cases.
How do I open a .WOFF2 file?
WOFF2 files are typically opened by software that natively supports the Web Open Font Format 2format. If you don't have a compatible application, the most reliable approach is to convert the file to a more universal format using the converters listed above. Most Web Open Font Format 2 files convert to widely-supported alternatives in seconds.
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