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What is AFM?

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

What is TTC?

TrueType Collection (TTC) bundles multiple TrueType fonts into a single file, commonly used for CJK (Chinese, Japanese, Korean) font families.

When Should You Use AFM vs TTC?

Use AFM When...

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

Use TTC When...

Reach for TTC when your priority is font distribution, cjk font collections — its uncompromising quality ensures every detail is preserved.

AFM vs TTC: Key Differences

  • •The core technical difference: AFM relies on lossless compression whereas TTC uses lossless compression.
  • •Both formats share lossless compression, so quality behavior is similar across the two — file size differences come from algorithm efficiency rather than compression philosophy.
  • •Transparency: N/A
  • •File sizes: AFM files typically range Very small, text-based metrics and TTC files 5-30MB for CJK font collections.
  • •AFM is optimized for postscript font metrics, pdf font embedding while TTC is designed for font distribution, cjk font collections — choose based on your specific workflow needs

Advantages of AFM

  • ✓AFM uses lossless compression tailored for PostScript font metrics, PDF font embedding.
  • ✓AFM is supported natively on virtually every device, browser, and operating system.
  • ✓AFM files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓AFM integrates seamlessly with all major creative tools and workflows.

Advantages of TTC

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

Common Use Cases for AFM to TTC 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 AFM to TTC Conversion

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

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

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Convert to TTC →Convert from AFM →

Convert AFM to TTC Online - Free & Fast

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

Font Converter

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.afm,.AFM (max 100MB)

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About AFM and TTC

AFM

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

TTC

TTC (TTC collections) - TrueType Collection, multiple fonts in one file. Ideal for font distribution, cjk font collections.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from postscript font metrics, pdf font embedding to font distribution, cjk font collections
File Size~5-30MB for CJK font collections after conversion

FAQs

Is converting AFM to TTC free?

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

How long does it take to convert AFM to TTC?

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

What is TTC best used for?

TTC is ideal for font distribution, cjk font collections. TrueType Collection, multiple fonts in one file

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

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

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