What is CFF?

Compact Font Format (CFF) is a PostScript-based font format used in PDF documents and professional printing for efficient font storage.

What is DFONT?

Mac Data Fork Font (DFONT) is a legacy macOS font format that stores font data in the resource fork of classic Mac OS files.

When Should You Use CFF vs DFONT?

CFF vs DFONT: Key Differences

• •CFF and DFONT diverge on compression: lossless compression for the source, lossless compression for the target.
• •Since both CFF and DFONT use lossless compression, the quality characteristics are comparable — differences in file size come down to how efficiently each format implements compression.
• •Transparency: N/A
• •File sizes: CFF files typically range 15-100KB per font and DFONT files 20-200KB per font.
• •Primary audience: CFF is built for professional printing, pdf fonts scenarios, while DFONT focuses on legacy mac system fonts, classic macos — pick the format that matches your output requirement.

Advantages of CFF

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

Advantages of DFONT

• ✓At its core, DFONT relies on lossless encoding — a design choice that makes it perfect for Legacy Mac system fonts, classic macOS.
• ✓You won't run into compatibility issues with DFONT — it's a universal standard across platforms.
• ✓File size management with DFONT: larger files guaranteed to match the original exactly.
• ✓Every major application in the Legacy Mac system fonts, classic macOS space supports DFONT natively.

Common Use Cases for CFF to DFONT Conversion

• Marketing materials
• Packaging design
• Signage systems
• Icon sets
• Logo design
• Data visualization

Industry Applications

Best Practices for CFF to DFONT Conversion

• →Converting CFF to DFONT: check that glyph coverage is preserved — some formats have character limitations
• →Use DFONT 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 CFF to DFONT Conversion

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

Related Font Converters

All Font Formats

More Font tools