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
ERF at a glance
ERF
Convert to ERF when preserving or restoring Epson-origin raw captures in an archive or compatibility workflow.
In most contemporary pipelines, it is a legacy source format to retain or migrate.
MQV at a glance
MQV
Convert to or from MQV when migrating recordings off older Sony consumer devices, preserving original camera exports, or normalizing a proprietary Sony library into MP4, MOV, or another easier editing format.
It is primarily a legacy-ingest and archive-recovery format.
Format comparison
| Feature | ERF | MQV |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | raw | depends |
| File size characteristics | large | large |
| Compatibility | limited | moderate |
| Editability | high | limited |
| Created year | 2004 | 2007 |
| Inventor | Epson | Sony |
| Status | proprietary | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | moderate |
| Metadata handling | rich | moderate |
| Delivery profile | limited | strong |
| Workflow fit | source | delivery |
| Layer support | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use ERF
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage image data for later interpretation.
When to use MQV
- editing
- mastering
- streaming delivery
- QuickTime/ISO BMFF lineage makes the underlying structure parseable by many media tools.
FAQs
Why convert ERF to MQV?
Convert to or from MQV when migrating recordings off older Sony consumer devices, preserving original camera exports, or normalizing a proprietary Sony library into MP4, MOV, or another easier editing format.
It is primarily a legacy-ingest and archive-recovery format.
What changes when converting ERF to MQV?
This conversion changes how the format behaves in downstream tools and delivery environments.
Quality profile changes from raw in ERF to depends in MQV. Editability profile changes from high in ERF to limited in MQV. Compatibility profile changes from limited in ERF to moderate in MQV. Archival profile changes from strong in ERF to moderate in MQV. Metadata profile changes from rich in ERF to moderate in MQV. Delivery profile changes from limited in ERF to strong in MQV. Workflow profile changes from source in ERF to delivery in MQV.
Moving to MQV removes camera raw data.
What should I review after converting ERF to MQV?
Check the exported file for No public specification or documentation.; Very limited software support outside Sony's own applications.; Largely superseded by Sony's later XAVC and XAVC S recording formats..