What is PFM?

Printer Font Metrics (PFM) is the binary companion to PFB fonts for Windows, containing font metric data for 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 PFM vs TTF?

PFM vs TTF: Key Differences

• •PFM 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.
• •Storage footprint: Very small, binary format for PFM vs 20KB to 200KB per font for TTF.
• •PFM is optimized for windows postscript printing, font pairing while TTF is designed for desktop publishing, web fonts, documents — choose based on your specific workflow needs

Advantages of PFM

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

Advantages of TTF

• ✓TTF uses lossless compression tailored for Desktop publishing, web fonts, documents.
• ✓TTF is supported natively on virtually every device, browser, and operating system.
• ✓TTF files are bit-for-bit perfect, preserving every pixel and sample for professional work.
• ✓TTF integrates seamlessly with all major web development tools and workflows.

Common Use Cases for PFM to TTF Conversion

• Website typography
• Brand identity
• Print design
• Mobile apps
• Desktop publishing
• E-book formatting

Industry Applications

Best Practices for PFM to TTF Conversion

• →Before converting PFM to TTF, review the font license — some licenses restrict format conversion
• →Check hinting data after conversion: TTF may handle TrueType hinting differently than PFM
• →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 PFM to TTF Conversion

• !TTF font doesn't render correctly → check if TTF supports all glyphs present in PFM
• !Licensing restrictions after PFM to TTF conversion → verify the font license allows format conversion
• !Hinting data lost converting PFM 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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