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HWP at a glance
HWP
Convert to HWP when the recipient workflow is built around Hancom Hangul, particularly in Korean-language government, academic, or business environments.
It is appropriate for editable forms, official templates, and collaborative word-processing when local compatibility matters more than global default support.
For international exchange, DOCX or PDF may be easier, but HWP is the practical target inside Hangul-centric environments.
PGM at a glance
PGM
Convert to PGM when you need a straightforward grayscale raster for scripting, research, or low-overhead image processing.
It is a good target for technical pipelines and intermediate data exchange.
Format comparison
| Feature | HWP | PGM |
|---|---|---|
| File type | Document | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | medium | medium |
| Compatibility | broad | broad |
| Editability | moderate | moderate |
| Created year | 1989 | 1988 |
| Inventor | Hancom | Jef Poskanzer / Netpbm lineage |
| Status | active | active |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | moderate |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | exchange | delivery |
| Vector scaling | Not supported | Not supported |
When to use each format
When to use HWP
- authoring
- review and collaboration
- distribution
- Strong relevance in its home ecosystem.
When to use PGM
- capture ingest
- editing
- web or print delivery
- Very simple to parse and generate.
FAQs
Why convert HWP to PGM?
Convert to PGM when you need a straightforward grayscale raster for scripting, research, or low-overhead image processing.
It is a good target for technical pipelines and intermediate data exchange.
What changes when converting HWP to PGM?
This conversion changes how the format behaves in downstream tools and delivery environments.
Archival profile changes from strong in HWP to moderate in PGM. Workflow profile changes from exchange in HWP to delivery in PGM.
What should I review after converting HWP to PGM?
Check the exported file for Weak fit for polished consumer delivery.; Limited metadata and presentation expectations compared with richer formats..