What is UFO?

UFO (Unified Font Object) is an open, XML-based font source format used by professional font editors for collaborative font development.

What is CFF2?

CFF2 (Compact Font Format v2) is optimized for OpenType variable fonts with efficient data structures and support for font variations.

When Should You Use UFO vs CFF2?

Use UFO When...

Reach for UFO when your priority is font design and editing, collaborative font development, glyphs/robofont — its uncompromising quality ensures every detail is preserved.

Use CFF2 When...

Reach for CFF2 when your priority is variable fonts, opentype font production, advanced typesetting — its uncompromising quality ensures every detail is preserved.

UFO vs CFF2: Key Differences

•UFO uses lossless compression while CFF2 uses lossless compression — both take the same approach to file size management.
•Since both UFO and CFF2 use lossless compression, the quality characteristics are comparable — differences in file size come down to how efficiently each format implements compression.
•How transparency is handled: CFF2 supports transparency, so alpha information is preserved during conversion.
•Storage footprint: 100KB to 10MB+ depending on glyph count for UFO vs 15-100KB per font for CFF2.
•Primary audience: UFO is built for font design and editing, collaborative font development, glyphs/robofont scenarios, while CFF2 focuses on variable fonts, opentype font production, advanced typesetting — pick the format that matches your output requirement.

Advantages of UFO

✓UFO uses lossless compression tailored for Font design and editing, collaborative font development, Glyphs/RoboFont.
✓UFO is supported natively on virtually every device, browser, and operating system.
✓UFO files are bit-for-bit perfect, preserving every pixel and sample for professional work.
✓UFO integrates seamlessly with all major creative tools and workflows.

Advantages of CFF2

✓The lossless nature of CFF2 means file sizes stay reasonable while handling Variable fonts, OpenType font production, advanced typesetting efficiently.
✓From mobile devices to enterprise servers, CFF2 is recognized and supported everywhere.
✓The trade-off for CFF2's perfection is larger files — but for archival work, it is worth every megabyte.
✓CFF2 is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Common Use Cases for UFO to CFF2 Conversion

Print design
Mobile apps
Desktop publishing
E-book formatting
User interfaces
Marketing materials

Industry Applications

Graphic DesignDesktop PublishingApp DevelopmentBrand DesignPrint ProductionUser Interface Design

Best Practices for UFO to CFF2 Conversion

→Converting UFO to CFF2: check that glyph coverage is preserved — some formats have character limitations
→Use CFF2 for cross-platform compatibility
→Test fonts across different browsers and operating systems after conversion
→Always keep a backup of your original files before converting
→Choose the appropriate quality settings for your specific use case

Troubleshooting UFO to CFF2 Conversion

!CFF2 font doesn't render correctly → check if CFF2 supports all glyphs present in UFO
!Licensing restrictions after UFO to CFF2 conversion → verify the font license allows format conversion
!Hinting data lost converting UFO to CFF2 → some font formats like CFF2 may not preserve TrueType hinting
!Special characters missing from converted CFF2 → font subsetting may have removed unused glyphs

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Convert to CFF2 →Convert from UFO →

Convert UFO to CFF2 Online - Free & Fast

Convert UFO files to CFF2 online for free. High-quality conversion with no registration required.

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Upload or enter a URL to convert UFO to CFF2 instantly

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.ufo,.UFO (max 100MB)

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About UFO and CFF2

UFO

UFO (UFO) - Unified Font Object, XML-based source format for font design and editing. Best for font design and editing, collaborative font development, glyphs/robofont.

CFF2

CFF2 (CFF2) - Compact Font Format v2, PostScript-based outlines for OpenType variable fonts. Ideal for variable fonts, opentype font production, advanced typesetting.

Format Comparison

CompressionLossless → Lossless

TransparencySupported

Use CaseConvert from font design and editing, collaborative font development, glyphs/robofont to variable fonts, opentype font production, advanced typesetting

File Size~15-100KB per font after conversion

FAQs

Is converting UFO to CFF2 free?

Yes, GoConvertFile offers free conversion of UFO to CFF2 for files up to 100MB. No registration required.

How long does it take to convert UFO to CFF2?

Most UFO to CFF2 conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is CFF2 best used for?

CFF2 is ideal for variable fonts, opentype font production, advanced typesetting. Compact Font Format v2, PostScript-based outlines for OpenType variable fonts

What file size should I expect after converting UFO to CFF2?

File size after UFO to CFF2 conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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