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Xfig at a glance
Xfig
Xfig began in 1985 and accumulated decades of maintenance and export tooling, which made the .fig format a durable bridge between interactive diagram editing on Unix systems and downstream conversion to PostScript, PDF, and other outputs.
ERF at a glance
ERF
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Format comparison
| Feature | Xfig | ERF |
|---|---|---|
| File type | Vector | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1985 | 2004 |
| Inventor | Supoj Sutanthavibul | Epson |
| Status | legacy | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Supported | Not supported |
When to use each format
When to use Xfig
- Your source file is already in Xfig.
- Preserve source expectations before exporting to ERF.
- Xfig is commonly used in vector workflows.
When to use ERF
- Your target workflow expects ERF.
- Improve delivery compatibility with ERF.
- ERF is commonly used in image workflows.
FAQs
Why convert Xfig to ERF?
Convert to ERF when preserving or restoring Epson-origin raw captures in an archive or compatibility workflow.
In most contemporary pipelines, it is a legacy source format to retain or migrate.
What changes when converting Xfig to ERF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ERF removes vector scaling.
What should I review after converting Xfig to ERF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.