Convert fonts online with our free font converter. This powerful font converter online tool supports all major font formats including TTF, OTF, WOFF, WOFF2, and EOT. Whether you need a TTF to WOFF converter, OTF to WOFF2 converter, or any other font conversion, our free online font converter handles it all. Perfect for web developers needing to convert fonts for optimal web performance and cross-browser compatibility.
Why Convert Font Formats?
Different font formats serve different purposes in web development. Converting between formats ensures optimal performance, compatibility, and file size for your specific use case:
Font Format Use Cases:
- ✅ WOFF2: Best compression for modern browsers (30-50% smaller than WOFF)
- ✅ WOFF: Wide browser support with good compression
- ✅ TTF/OTF: Desktop applications and print design
- ✅ EOT: Legacy Internet Explorer support (IE6-IE9)
- ✅ Variable Fonts: Single file with multiple weights and styles
- ✅ Subsetting: Remove unused characters to reduce file size
Web Font Performance Optimization
Proper font format selection and optimization can significantly improve your website's loading speed. Here's how to implement an efficient @font-face CSS rule with multiple formats:
@font-face {
font-family: 'YourFont';
src: url('font.eot'); /* IE9 Compat */
src: url('font.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
url('font.woff2') format('woff2'), /* Modern Browsers */
url('font.woff') format('woff'), /* Modern Browsers */
url('font.ttf') format('truetype'), /* Safari, Android, iOS */
url('font.svg#font') format('svg'); /* Legacy iOS */
font-weight: normal;
font-style: normal;
font-display: swap; /* Improve perceived performance */
}💡 Pro Tip: Always list WOFF2 first in your @font-face declarations as it offers the best compression for modern browsers, reducing load times by up to 30%.
Browser Support for Font Formats
Understanding browser support helps you choose the right font formats for your audience. Here's the current browser compatibility landscape:
- WOFF2: Chrome 36+, Firefox 39+, Safari 12+, Edge 14+
- WOFF: All modern browsers since 2011
- TTF/OTF: All browsers except IE8 and older
- EOT: Internet Explorer only (IE6-IE11)
- Variable Fonts: Chrome 62+, Firefox 62+, Safari 11+
Understanding Web Font Formats
📦 WOFF2
The most advanced web font format with Brotli compression. Typically 30% smaller than WOFF and the best choice for modern web applications.
🌐 WOFF
Web Open Font Format provides good compression and metadata. Universally supported and a safe fallback for older browsers.
🖥️ TTF/OTF
TrueType and OpenType fonts work on desktop and web. Larger file sizes but support advanced typography features.
🔧 EOT
Embedded OpenType for Internet Explorer. Only needed for legacy IE support, can be omitted for modern applications.
Font Loading Best Practices
⚠️ Performance Optimization Tips:
- • Preload Critical Fonts: Use <link rel="preload"> for above-the-fold fonts
- • Font Display: Use font-display: swap to avoid invisible text
- • Subset Fonts: Remove unused glyphs to reduce file size
- • Self-Host Fonts: Avoid third-party dependencies and improve privacy
- • Variable Fonts: Use a single file for multiple weights when possible
- • Fallback Stack: Define system font fallbacks for faster initial render
- • Cache Headers: Set long cache durations for font files
Popular Font Conversions
TTF to WOFF Converter
Convert TTF to WOFF for broad web browser compatibility. TTF to WOFF conversion provides good compression while maintaining font quality.
- • TTF file to WOFF for web use
- • Reduces TTF file size by ~40%
- • Supported by all modern browsers
TTF to WOFF2 Converter
Convert TTF to WOFF2 for maximum compression. TTF to WOFF2 conversion offers the best file size reduction for modern browsers.
- • TTF file to WOFF2 format
- • Up to 50% smaller than TTF
- • Best for modern web applications
OTF to WOFF Converter
Convert OTF to WOFF for web deployment. OTF to WOFF conversion maintains OpenType features while optimizing for web delivery.
- • OTF file to WOFF format
- • Preserves OpenType features
- • Universal browser support
WOFF to TTF Converter
Convert WOFF to TTF for desktop applications. WOFF to TTF conversion extracts the original TrueType font for non-web use.
- • WOFF file back to TTF
- • For desktop and print use
- • Maintains font integrity
Font Converter Online - Free Conversion Tool
Our free online font converter supports all major font format conversions. Whether you need to convert fonts online for web development or desktop use, this font converter online free tool handles:
✨ Free Font Converter Features:
- ✅ Font converter online free - No registration required
- ✅ Batch font conversion - Convert multiple fonts at once
- ✅ All formats supported - TTF, OTF, WOFF, WOFF2, EOT
- ✅ Fast conversion - Instant font format conversion
- ✅ No file size limits - Convert large font files
- ✅ Secure processing - Files processed locally
Common Font Conversion Use Cases
- Web Optimization: Convert desktop fonts (TTF/OTF) to web-optimized formats (WOFF2/WOFF)
- Legacy Support: Generate EOT files for older Internet Explorer versions
- Cross-Platform: Ensure fonts work across different operating systems and browsers
- Performance: Reduce font file sizes by converting to compressed formats
- Icon Fonts: Convert SVG icons to font formats for scalable icons
- Print to Web: Adapt print fonts for digital display
- Custom Fonts: Convert proprietary font formats to standard web formats
- Mobile Apps: Optimize fonts for mobile applications
Font Format Comparison
| Format | Compression | Browser Support | File Size | Best For |
|---|
| WOFF2 | Brotli | Modern browsers | Smallest | Web (primary) |
| WOFF | zlib | All browsers | Small | Web (fallback) |
| TTF | None | Most browsers | Large | Desktop/Mobile |
| OTF | None | Most browsers | Large | Desktop/Print |
| EOT | LZ compression | IE only | Medium | Legacy IE |
Font Licensing Considerations
Desktop vs Web Licensing
Many fonts require separate licenses for web use. Converting a desktop font doesn't automatically grant web usage rights.
Open Source Fonts
Fonts like Google Fonts, Open Sans, and Roboto are free to use and convert for any purpose.
Commercial Fonts
Premium fonts from foundries like Adobe, Monotype, or Hoefler&Co require proper licensing for web use.
Embedding Restrictions
Some fonts have embedding restrictions that prevent conversion. Always check the font's EULA before converting.
Variable Fonts: The Future of Web Typography
Variable fonts are a single font file that acts like multiple fonts. They can contain an entire type family in a single, highly efficient file:
font-weight - Adjust weight from thin to blackfont-stretch - Control width from condensed to expandedfont-style - Smoothly transition between upright and italicCustom axes - Control unique design features
Benefits of Variable Fonts
- Single file replaces multiple font files
- Smaller total download size
- Infinite variation possibilities
- Better performance with fewer HTTP requests
- Responsive typography with smooth transitions
- Creative animation possibilities
Troubleshooting Font Issues
Font Not Displaying
Check CORS headers if hosting fonts on a different domain. Ensure correct MIME types are set for font files.
Blurry Text on Windows
Windows may render certain fonts poorly. Consider using -webkit-font-smoothing and text-rendering CSS properties.
Flash of Unstyled Text (FOUT)
Use font-display: swap or preload critical fonts to improve perceived performance.
Large File Sizes
Subset fonts to include only needed characters. Convert to WOFF2 for best compression.
Font Subsetting for Performance
Reduce font file sizes by including only the characters you need. This is especially useful for fonts with extensive character sets:
/* Unicode ranges for common Latin characters */
@font-face {
font-family: 'Optimized Font';
src: url('font-latin.woff2') format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153,
U+02BB-02BC, U+02C6, U+02DA, U+02DC,
U+2000-206F, U+2074, U+20AC, U+2122;
}
/* Separate file for extended Latin */
@font-face {
font-family: 'Optimized Font';
src: url('font-latin-ext.woff2') format('woff2');
unicode-range: U+0100-024F, U+0259, U+1E00-1EFF;
}Frequently Asked Questions
What's the best font format for modern websites?
WOFF2 is the best choice for modern websites, offering superior compression (30-50% smaller than WOFF). Always provide WOFF as a fallback for older browsers.
Do I need to include EOT format in 2025?
EOT is only necessary if you need to support Internet Explorer 8 or older. Most modern websites can safely skip EOT format.
Can I convert any font to web format?
Technically yes, but legally you must have the appropriate license. Many desktop fonts require separate web licenses. Always check the font's EULA.
How much can font optimization improve performance?
Significant improvements are possible: WOFF2 compression can reduce file sizes by 30-50%, subsetting can remove 70-90% of unused characters, and proper loading strategies can eliminate render-blocking.
Should I self-host or use a CDN for fonts?
Self-hosting gives you more control, better privacy, and can be faster with HTTP/2. CDNs like Google Fonts offer convenience and potential caching benefits across sites.
Start Using Our Free Font Converter Online
Ready to convert fonts online? Our free font converter makes font conversion simple and fast. Whether you need to convert TTF to WOFF, OTF to WOFF2, or any other font format conversion, this online font converter free tool is perfect for web developers, designers, and anyone working with typography.
Quick Font Conversion Guide:
- Upload your font file (TTF, OTF, WOFF, WOFF2, or EOT)
- Select your desired output format
- Click convert to start the font conversion
- Download your converted font file
💡 Pro tip: For best web performance, convert TTF to WOFF2 for modern browsers and include WOFF as a fallback.