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MOV at a glance
MOV
Apple's QuickTime file format predates and influenced later MP4-family standards, which is why MOV and MP4 feel related even when they serve somewhat different operational roles.
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 | MOV | FLV |
|---|---|---|
| File type | Video | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1991 | 2002 |
| Inventor | Apple | Macromedia / Adobe |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Multitrack support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Supported |
When to use each format
When to use MOV
- Your source file is already in MOV.
- Preserve source expectations before exporting to FLV.
- MOV is commonly used in video 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 MOV 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 MOV to FLV?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to FLV removes animation support.
What should I review after converting MOV to FLV?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.