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PFA at a glance
PFA
Type 1 fonts were central to the rise of desktop publishing, and PFA/PFB formats reflect the era when font technology was tightly linked to PostScript workflows.
EOT at a glance
EOT
EOT is tied to Microsoft's font embedding services and earlier Internet Explorer-era webfont workflows, which is why it now feels like a transitional web-typography technology.
Format comparison
| Feature | PFA | EOT |
|---|---|---|
| File type | Not available | Not available |
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| Compression / quality | Not available | Not available |
| File size characteristics | Not available | Not available |
| Compatibility | Not available | Not available |
| Editability | Not available | Not available |
| Created year | Not available | Not available |
| Inventor | Not available | Not available |
| Status | Not available | Not available |
| Transparency | Not available | Not available |
| Primary use cases |
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| Archival suitability | Not available | Not available |
| Metadata handling | Not available | Not available |
| Delivery profile | Not available | Not available |
| Workflow fit | Not available | Not available |
| Layer support | Not available | Not available |
| Vector scaling | Not available | Not available |
When to use each format
When to use PFA
- type design
- brand system deployment
- web embedding
- Historically significant in typography.
When to use EOT
- type design
- brand system deployment
- web embedding
- Historically important in early webfont deployment.
FAQs
Why convert PFA to EOT?
Choose EOT as target when supporting older IE-dependent web properties or preserving historical webfont bundles that require that format.
What changes when converting PFA to EOT?
Convert to EOT when supporting older IE-dependent web properties or preserving historical webfont bundles that require that format. It is useful as a compatibility target in legacy front-end maintenance. For modern web delivery, WOFF2 and WOFF are usually the correct font targets.
What should I review after converting PFA to EOT?
After conversion, review these destination checks: Open converted output in older Internet Explorer-era stacks and verify behavior on real samples; Compare output against the expected scalable quality profile; Largely superseded by WOFF and WOFF2 in modern web practice.
How can I keep quality stable in PFA to EOT conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Not a good primary target for contemporary webfont delivery; Largely superseded by WOFF and WOFF2 in modern web practice; Validate destination compatibility before large-batch conversion.