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PFB at a glance
PFB
Like PFA, PFB belongs to the era when PostScript and Type 1 fonts shaped professional digital publishing.
WOFF at a glance
WOFF
WOFF emerged when the web needed a standard way to package fonts for browser delivery instead of treating desktop font files as if they were already web-ready.
Format comparison
| Feature | PFB | WOFF |
|---|---|---|
| File type | Font | Font |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | scalable | scalable |
| File size characteristics | small | small |
| Compatibility | broad | broad |
| Editability | limited | limited |
| Created year | 1984 | 2010 |
| Inventor | Adobe | W3C Web Fonts Working Group lineage |
| 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 | Supported |
| Vector scaling | Not supported | Not supported |
When to use each format
When to use PFB
- type design
- brand system deployment
- web embedding
- Historically central to professional typography.
When to use WOFF
- type design
- brand system deployment
- web embedding
- Designed specifically for webfont delivery.
FAQs
Why convert PFB to WOFF?
Choose WOFF as target when preparing fonts for browser use, especially when you need a dependable webfont target with wide compatibility across front-end stacks.
What changes when converting PFB to WOFF?
Convert to WOFF when preparing fonts for browser use, especially when you need a dependable webfont target with wide compatibility across front-end stacks. It is suitable for websites, web apps, and design systems that package custom typography. For best modern compression, WOFF2 is often preferable, but WOFF remains a strong compatibility layer.
What should I review after converting PFB to WOFF?
After conversion, review these destination checks: Open converted output in browsers and verify behavior on real samples; Compare output against the expected scalable quality profile; WOFF2 is usually the more efficient modern choice when supported.
How can I keep quality stable in PFB to WOFF conversion?
Run representative samples, keep settings deterministic, and monitor these risks: It is a packaging format, not a new font-design model; WOFF2 is usually the more efficient modern choice when supported; Validate destination compatibility before large-batch conversion.