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TTF at a glance
TTF
Convert to TTF when the font needs to be installed broadly across desktop platforms, bundled with applications, or shared as a general-purpose typographic asset.
It is a strong target for practical compatibility and widespread deployment.
For compressed web delivery, WOFF or WOFF2 are usually better suited.
PFB at a glance
PFB
Convert to PFB when a legacy PostScript or archived publishing workflow explicitly requires Type 1 binary font assets.
It is appropriate for preservation, recovery, and compatibility work on historical font collections.
For new deployment, OTF, TTF, or webfont formats are usually better.
Format comparison
| Feature | TTF | PFB |
|---|---|---|
| File type | Font | Font |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | scalable | scalable |
| File size characteristics | small | small |
| Compatibility | broad | broad |
| Editability | limited | limited |
| Created year | 1991 | 1984 |
| Inventor | Apple and Microsoft lineage | Adobe |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | strong |
| Metadata handling | low | low |
| Delivery profile | strong | strong |
| Workflow fit | design | design |
| Layer support | Not supported | Not supported |
| Vector scaling | Supported | Not supported |
When to use each format
When to use TTF
- type design
- brand system deployment
- web embedding
- Broad desktop and operating-system support.
When to use PFB
- type design
- brand system deployment
- web embedding
- Historically central to professional typography.
FAQs
Why convert TTF to PFB?
Convert to PFB when a legacy PostScript or archived publishing workflow explicitly requires Type 1 binary font assets.
It is appropriate for preservation, recovery, and compatibility work on historical font collections.
For new deployment, OTF, TTF, or webfont formats are usually better.
What changes when converting TTF to PFB?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PFB removes vector scaling.
What should I review after converting TTF to PFB?
Check the exported file for Obsolete in mainstream modern font workflows.; Usually normalized into newer font families..