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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 AFM?

Adobe Font Metrics (AFM) is a text file describing Type 1 font metrics including character widths, kerning pairs, and bounding boxes.

When Should You Use CFF vs AFM?

Use CFF When...

Reach for CFF when your priority is professional printing, pdf fonts — its uncompromising quality ensures every detail is preserved.

Use AFM When...

Reach for AFM when your priority is postscript font metrics, pdf font embedding — its uncompromising quality ensures every detail is preserved.

CFF vs AFM: Key Differences

  • •CFF and AFM 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: AFM supports transparency, so alpha information is preserved during conversion.
  • •Storage footprint: 15-100KB per font for CFF vs Very small, text-based metrics for AFM.
  • •Primary audience: CFF is built for professional printing, pdf fonts scenarios, while AFM focuses on postscript font metrics, pdf font embedding — pick the format that matches your output requirement.

Advantages of CFF

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

Advantages of AFM

  • ✓AFM applies lossless compression specifically calibrated for PostScript font metrics, PDF font embedding.
  • ✓AFM enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓AFM guarantees every bit of the original data survives — no approximations, no shortcuts.
  • ✓You will find AFM support built into virtually every tool that handles PostScript font metrics, PDF font embedding — no plugins or converters needed.

Common Use Cases for CFF to AFM 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 CFF to AFM Conversion

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

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

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Convert CFF to AFM Online - Free & Fast

Convert CFF files to AFM online for free. High-quality conversion with no registration required.

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About CFF and AFM

CFF

CFF (CFF fonts) - Compact Font Format, PostScript-based font outlines. Best for professional printing, pdf fonts.

AFM

AFM (AFM metrics) - Adobe Font Metrics, Type 1 font metrics description. Ideal for postscript font metrics, pdf font embedding.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from professional printing, pdf fonts to postscript font metrics, pdf font embedding
File Size~Very small, text-based metrics after conversion

FAQs

Is converting CFF to AFM free?

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

How long does it take to convert CFF to AFM?

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

What is AFM best used for?

AFM is ideal for postscript font metrics, pdf font embedding. Adobe Font Metrics, Type 1 font metrics description

What file size should I expect after converting CFF to AFM?

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

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