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 WOFF?

WOFF (Web Open Font Format) is a font format specifically designed for use on the web, compressing TrueType or OpenType fonts for faster loading.

When Should You Use UFO vs WOFF?

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 WOFF When...

Reach for WOFF when your priority is web fonts, responsive web design — its efficient compression makes sharing fast and storage minimal.

UFO vs WOFF: Key Differences

•UFO and WOFF diverge on compression: lossless compression for the source, lossy compression for the target.
•Converting from UFO to WOFF changes compression type: lossy source becomes smaller but with some quality tradeoff.
•Transparency: N/A — converting from UFO will merge transparency into a solid background
•File sizes: UFO files typically range 100KB to 10MB+ depending on glyph count and WOFF files 30-50% smaller than TTF/OTF.
•Use case fit: UFO targets font design and editing, collaborative font development, glyphs/robofont and WOFF targets web fonts, responsive web design — your choice depends on which workflow stage you are serving.

Advantages of UFO

✓The lossless nature of UFO means file sizes stay reasonable while handling Font design and editing, collaborative font development, Glyphs/RoboFont efficiently.
✓From mobile devices to enterprise servers, UFO is recognized and supported everywhere.
✓The trade-off for UFO's perfection is larger files — but for archival work, it is worth every megabyte.
✓UFO is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Advantages of WOFF

✓At its core, WOFF relies on lossy encoding — a design choice that makes it perfect for Web fonts, responsive web design.
✓You won't run into compatibility issues with WOFF — it's a universal standard across platforms.
✓File size management with WOFF: aggressive compression with minimal visible quality loss.
✓Every major application in the Web fonts, responsive web design space supports WOFF natively.

Common Use Cases for UFO to WOFF Conversion

Signage systems
Icon sets
Logo design
Data visualization
Presentation design
Video subtitles

Industry Applications

Packaging DesignAdvertisingGame UISignageIcon DesignBook Publishing

Best Practices for UFO to WOFF Conversion

→Converting UFO to WOFF: check that glyph coverage is preserved — some formats have character limitations
→Use WOFF for websites where file size matters
→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 WOFF Conversion

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

Related Font Converters

Convert Other Formats to WOFF

All Font Formats

TTF OTF

View all Font converters →

More Font tools

Convert to WOFF →Convert from UFO →

Convert UFO to WOFF Online - Free & Fast

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

Font Converter

Upload or enter a URL to convert UFO to WOFF instantly

Click to upload or drag & drop UFO file

or paste from clipboard

.ufo,.UFO (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About UFO and WOFF

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.

WOFF

WOFF (WOFF fonts) - Web Open Font Format, compressed webfont format. Ideal for web fonts, responsive web design.

Format Comparison

CompressionLossless → Lossy

TransparencyN/A

Use CaseConvert from font design and editing, collaborative font development, glyphs/robofont to web fonts, responsive web design

File Size~30-50% smaller than TTF/OTF after conversion

FAQs

Is converting UFO to WOFF free?

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

How long does it take to convert UFO to WOFF?

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

What is WOFF best used for?

WOFF is ideal for web fonts, responsive web design. Web Open Font Format, compressed webfont format

Does converting UFO to WOFF lose quality?

Yes, converting UFO to WOFF uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.

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

WOFF files are typically 50-80% smaller than UFO files because WOFF uses efficient lossy compression. The exact reduction depends on quality settings.

Related Tools

View all font converter converters

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 WOFF?

WOFF (Web Open Font Format) is a font format specifically designed for use on the web, compressing TrueType or OpenType fonts for faster loading.

When Should You Use UFO vs WOFF?

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 WOFF When...

Reach for WOFF when your priority is web fonts, responsive web design — its efficient compression makes sharing fast and storage minimal.

UFO vs WOFF: Key Differences

•UFO and WOFF diverge on compression: lossless compression for the source, lossy compression for the target.
•Converting from UFO to WOFF changes compression type: lossy source becomes smaller but with some quality tradeoff.
•Transparency: N/A — converting from UFO will merge transparency into a solid background
•File sizes: UFO files typically range 100KB to 10MB+ depending on glyph count and WOFF files 30-50% smaller than TTF/OTF.
•Use case fit: UFO targets font design and editing, collaborative font development, glyphs/robofont and WOFF targets web fonts, responsive web design — your choice depends on which workflow stage you are serving.

Advantages of UFO

✓The lossless nature of UFO means file sizes stay reasonable while handling Font design and editing, collaborative font development, Glyphs/RoboFont efficiently.
✓From mobile devices to enterprise servers, UFO is recognized and supported everywhere.
✓The trade-off for UFO's perfection is larger files — but for archival work, it is worth every megabyte.
✓UFO is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Advantages of WOFF

✓At its core, WOFF relies on lossy encoding — a design choice that makes it perfect for Web fonts, responsive web design.
✓You won't run into compatibility issues with WOFF — it's a universal standard across platforms.
✓File size management with WOFF: aggressive compression with minimal visible quality loss.
✓Every major application in the Web fonts, responsive web design space supports WOFF natively.

Common Use Cases for UFO to WOFF Conversion

Signage systems
Icon sets
Logo design
Data visualization
Presentation design
Video subtitles

Industry Applications

Packaging DesignAdvertisingGame UISignageIcon DesignBook Publishing

Best Practices for UFO to WOFF Conversion

→Converting UFO to WOFF: check that glyph coverage is preserved — some formats have character limitations
→Use WOFF for websites where file size matters
→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 WOFF Conversion

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

Related Font Converters

Convert Other Formats to WOFF

All Font Formats

TTF OTF

View all Font converters →

More Font tools

Convert to WOFF →Convert from UFO →

Convert UFO to WOFF Online - Free & Fast

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

Font Converter

Upload or enter a URL to convert UFO to WOFF instantly

Click to upload or drag & drop UFO file

or paste from clipboard

.ufo,.UFO (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About UFO and WOFF

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.

WOFF

WOFF (WOFF fonts) - Web Open Font Format, compressed webfont format. Ideal for web fonts, responsive web design.

Format Comparison

CompressionLossless → Lossy

TransparencyN/A

Use CaseConvert from font design and editing, collaborative font development, glyphs/robofont to web fonts, responsive web design

File Size~30-50% smaller than TTF/OTF after conversion

FAQs

Is converting UFO to WOFF free?

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

How long does it take to convert UFO to WOFF?

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

What is WOFF best used for?

WOFF is ideal for web fonts, responsive web design. Web Open Font Format, compressed webfont format

Does converting UFO to WOFF lose quality?

Yes, converting UFO to WOFF uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.

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

WOFF files are typically 50-80% smaller than UFO files because WOFF uses efficient lossy compression. The exact reduction depends on quality settings.

Related Tools

View all font converter converters