What is PFA?

PostScript Type 1 ASCII (PFA) is a human-readable printer font format used in professional typesetting and PostScript printing.

What is TTF?

TTF (TrueType Font) is a font format developed by Apple and Microsoft, widely used on both Windows and macOS for high-quality text rendering.

When Should You Use PFA vs TTF?

PFA vs TTF: Key Differences

• •PFA and TTF diverge on compression: lossless compression for the source, lossless compression for the target.
• •Both formats share lossless compression, so quality behavior is similar across the two — file size differences come from algorithm efficiency rather than compression philosophy.
• •How transparency is handled: TTF supports transparency, so alpha information is preserved during conversion.
• •PFA files are typically 20-100KB per font while TTF files range 20KB to 200KB per font
• •PFA is optimized for professional printing, postscript devices while TTF is designed for desktop publishing, web fonts, documents — choose based on your specific workflow needs

Advantages of PFA

• ✓PFA compresses data using lossless methods, keeping file sizes manageable for Professional printing, PostScript devices.
• ✓Industry-wide support means PFA files open anywhere — from legacy systems to the latest devices.
• ✓Lossless quality makes PFA the gold standard for archival and master copies.
• ✓From professional software to open-source alternatives, PFA works out of the box.

Advantages of TTF

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

Common Use Cases for PFA to TTF Conversion

• Data visualization
• Presentation design
• Video subtitles
• Game UI typography
• Website typography
• Brand identity

Industry Applications

Best Practices for PFA to TTF Conversion

• →Before converting PFA to TTF, review the font license — some licenses restrict format conversion
• →Check hinting data after conversion: TTF may handle TrueType hinting differently than PFA
• →Verify that all character sets (Latin, Cyrillic, CJK, etc.) survived the conversion intact
• →Test the converted font in both a browser and a desktop application
• →Keep the original font file in case the conversion alters spacing metrics

Troubleshooting PFA to TTF Conversion

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

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