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CR2 at a glance
CR2
CR2 became the dominant Canon raw family through the long DSLR era, so huge real-world photo archives still depend on stable CR2 decoding and migration paths.
WEBM at a glance
WEBM
The WebM Project launched the format in 2010 to provide an open web-video option built around VPx video codecs and Vorbis or Opus audio.
Format comparison
| Feature | CR2 | WEBM |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 2010 |
| Inventor | Canon | |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use CR2
- Your source file is already in CR2.
- Preserve source expectations before exporting to WEBM.
- CR2 is commonly used in image workflows.
When to use WEBM
- Your target workflow expects WEBM.
- Improve delivery compatibility with WEBM.
- WEBM is commonly used in video workflows.
FAQs
Why convert CR2 to WEBM?
Convert to WebM when the output is intended for browser playback, web embedding, or streaming contexts where open codecs and modern web performance matter.
It is a strong target for tutorials, demos, product media, and online video libraries.
For the broadest device compatibility outside the browser, MP4 may still be the safer default.
What changes when converting CR2 to WEBM?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to WEBM adds layer support. Moving to WEBM removes camera raw data. Moving to WEBM adds streaming delivery.
What should I review after converting CR2 to WEBM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.