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FITS at a glance
FITS
Convert to FITS when preserving scientific image data, observation metadata, or instrument-derived captures for astronomy and research workflows.
It is the right target when measurement context matters as much as the picture itself.
SVGZ at a glance
SVGZ
Convert to SVGZ when you need SVG semantics but want the file itself stored or transmitted in compressed form.
It is most useful for web asset pipelines, map layers, and technical graphics repositories where vector fidelity matters and pre-compressed files are already part of the deployment model.
If the downstream environment already applies gzip or brotli to ordinary SVG responses, plain SVG is often easier to work with.
Choose SVGZ when the consumer explicitly expects it or when archived asset size is worth prioritizing.
Format comparison
| Feature | FITS | SVGZ |
|---|---|---|
| File type | Image | Vector |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | scalable |
| File size characteristics | medium | small |
| Compatibility | broad | moderate |
| Editability | moderate | high |
| Created year | 1981 | 2001 |
| Inventor | NASA / astronomical data community | World Wide Web Consortium (W3C) |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | good |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | delivery | design |
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Supported |
When to use each format
When to use FITS
- capture ingest
- editing
- web or print delivery
- Strong fit for scientific metadata-rich imaging.
When to use SVGZ
- illustration
- diagramming
- brand asset delivery
- Significantly smaller than uncompressed SVG.
FAQs
Why convert FITS to SVGZ?
Convert to SVGZ when you need SVG semantics but want the file itself stored or transmitted in compressed form.
It is most useful for web asset pipelines, map layers, and technical graphics repositories where vector fidelity matters and pre-compressed files are already part of the deployment model.
If the downstream environment already applies gzip or brotli to ordinary SVG responses, plain SVG is often easier to work with.
Choose SVGZ when the consumer explicitly expects it or when archived asset size is worth prioritizing.
What changes when converting FITS to SVGZ?
This conversion changes how the format behaves in downstream tools and delivery environments.
Size profile changes from medium in FITS to small in SVGZ. Quality profile changes from depends in FITS to scalable in SVGZ. Editability profile changes from moderate in FITS to high in SVGZ. Compatibility profile changes from broad in FITS to moderate in SVGZ. Archival profile changes from moderate in FITS to good in SVGZ. Workflow profile changes from delivery in FITS to design in SVGZ.
Moving to SVGZ adds vector scaling.
What should I review after converting FITS to SVGZ?
Check the exported file for Not human-readable without decompression.; Requires correct HTTP headers for web delivery.; Cannot be edited directly — must decompress first..