Convert anything, at global scale.
200+ formats and automation APIs that feels instant.
CONVERT
From
To
Drop files or choose a source
Upload multiple files at once, mix formats, and fine-tune every conversion with format-aware settings.
Max 2GB per file · Drag & drop ready · Mixed file types welcome
FLV at a glance
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.
MOS at a glance
MOS
Convert to MOS when maintaining compatibility with Leaf-originated capture files or preserving source material from medium-format studio workflows.
It is primarily an archival and editing format.
Format comparison
| Feature | FLV | MOS |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | raw |
| File size characteristics | large | large |
| Compatibility | moderate | limited |
| Editability | limited | high |
| Created year | 2002 | 2003 |
| Inventor | Macromedia / Adobe | Leaf (now Phase One) |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | strong |
| Metadata handling | moderate | rich |
| Delivery profile | strong | limited |
| Workflow fit | delivery | source |
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use FLV
- editing
- mastering
- streaming delivery
- Major historical relevance in web video.
When to use MOS
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage image data for later interpretation.
FAQs
Why convert FLV to MOS?
Convert to MOS when maintaining compatibility with Leaf-originated capture files or preserving source material from medium-format studio workflows.
It is primarily an archival and editing format.
What changes when converting FLV to MOS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Quality profile changes from depends in FLV to raw in MOS. Editability profile changes from limited in FLV to high in MOS. Compatibility profile changes from moderate in FLV to limited in MOS. Archival profile changes from moderate in FLV to strong in MOS. Metadata profile changes from moderate in FLV to rich in MOS. Delivery profile changes from strong in FLV to limited in MOS. Workflow profile changes from delivery in FLV to source in MOS.
Moving to MOS adds camera raw data. Moving to MOS removes streaming delivery.
What should I review after converting FLV to MOS?
Check the exported file for Many are vendor-specific and poorly documented publicly.; Compatibility often depends on decoder support in tools such as LibRaw, Adobe Camera Raw, or vendor software.; They are source formats, not publication-ready outputs..