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FITS at a glance
FITS
FITS became a durable scientific standard because observatories, spacecraft, and analysis tools needed a stable interchange format that outlived individual instruments and software stacks.
FLV at a glance
FLV
FLV is inseparable from the Flash era of online media, when browser plugins rather than native video elements dominated streaming video experiences.
Format comparison
| Feature | FITS | FLV |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1981 | 2002 |
| Inventor | NASA / astronomical data community | Macromedia / Adobe |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use FITS
- Your source file is already in FITS.
- Preserve source expectations before exporting to FLV.
- FITS is commonly used in image workflows.
When to use FLV
- Your target workflow expects FLV.
- Improve delivery compatibility with FLV.
- FLV is commonly used in video workflows.
FAQs
Why convert FITS to FLV?
Convert to FLV when dealing with Flash-era website archives, old courseware, or inherited streaming libraries that still preserve their media in Flash Video form.
It is useful for recovery and compatibility with historical systems.
For any new online distribution, MP4 or WebM are the correct modern targets.
What changes when converting FITS to FLV?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to FLV adds streaming delivery.
What should I review after converting FITS to FLV?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.