Can modern software still open CRW?

Yes. Lightroom, Camera Raw, darktable and Canon's own software all still read it, and the format is old enough to be thoroughly documented.

Should I convert my CRW archive to DNG?

It's worth considering for long-term safety — DNG is an open standard, whereas support for a twenty-year-old proprietary format could eventually be dropped.

CRW came first and was replaced by CR2 around 2004. If you have CRW files, they're from an early Canon digital body.

Host a CRW file and share it as a link

Put an early Canon raw photo online at its own address — the format from Canon's first digital SLRs.

You can host:

Drop your CRW file here

Any other file works too — up to 25.0 MB, or 100.0 MB for a whole site

Free to use. Your CRW file is live at your-name.99helpers.site in about ten seconds.

What is a .crw file?

CRW is Canon's original raw format, used by cameras like the D30, D60 and early PowerShot models before CR2 replaced it around 2004. Files are small by modern standards — these were six-megapixel sensors — and most raw editors still read them.

What people use CRW files for

Archives from early Canon digital SLRs
Photo libraries from the early 2000s
Reprocessing old shots with modern raw software

What opens a CRW file

Lightroom and Camera Raw, which still support CRW
Canon Digital Photo Professional
darktable and RawTherapee
No browser displays CRW

How to host a CRW file

1
Drop your CRW file in
Drag it onto the box at the top of this page, or click to choose it. Files up to 25 MB are supported, and nothing is uploaded until you publish.
2
Pick an address
Type a name and we'll tell you straight away whether it's free. That becomes the link: canon-archive.99helpers.site
3
Publish and share
Create a free account — that step exists so the file is yours to update, replace or delete — and the link is live within seconds.

The same three steps work for any file — see how file hosting works on 99helpers.com.

What happens when someone opens the link

The file downloads and opens in a raw editor. Support is good precisely because the format is old and well documented.

Why host a CRW file instead of emailing it?

Old raw archives are worth reprocessing — modern noise reduction and raw conversion get far more out of a twenty-year-old file than the software of the time could. Hosting makes those files easy to hand to whoever is doing the work.

Worth knowing before you publish

CRW files are small by modern standards, usually well under the size limit.
Converting to DNG future-proofs an old archive, since CRW support could eventually be dropped.
Modern raw processing genuinely improves old files — it's worth revisiting them.

CRW hosting questions

Can modern software still open CRW?: Yes. Lightroom, Camera Raw, darktable and Canon's own software all still read it, and the format is old enough to be thoroughly documented.
Should I convert my CRW archive to DNG?: It's worth considering for long-term safety — DNG is an open standard, whereas support for a twenty-year-old proprietary format could eventually be dropped.
CRW or CR2?: CRW came first and was replaced by CR2 around 2004. If you have CRW files, they're from an early Canon digital body.

Put your CRW file online now

It takes about ten seconds, and you only make an account once the file is ready to go live.

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Hosting guides for related formats

Host a Canon CR2 raw file Host a Canon CR3 raw file Host a camera raw file Host a DNG raw photo Host a JPG photo

CRW is one of over 211 formats you can host — see free file hosting for any file type for the full list, or read the hosting guides for other file types.