Open .cr3 files free in your browser
The raw format of Canon’s newer cameras. Light in Madosuite opens .cr3 files, in a browser tab, without Lightroom.
Develop raw photos without touching the originals, and keep your library of albums, ratings and people.
Three steps
Open Madosuite
In your browser. A small Linux machine starts on your device.
Upload the file
In Files, press Upload and pick your .cr3 file. Then open it with Light.
Develop and export
Save it as JPEG, PNG, TIFF and download it.
Light opens most CR3 files; some variants do not open yet. Export JPEG, TIFF or DNG.
Light opens
Light saves
Questions
How do I open a .cr3 file without Lightroom?
Open Madosuite in your browser, upload the file in Files, and open it with Light. It is free.
Can I edit it and save it again?
Light edits without changing the original and exports JPEG, PNG, TIFF, PSD, WebP.
Is my file uploaded?
No. It goes into the Linux machine that Madosuite runs in your browser, on your device.
Will it look the same?
Light opens most CR3 files; some variants do not open yet. Export JPEG, TIFF or DNG.
Is Madosuite free?
Yes. The apps run on your own device, in the browser tab, so there is no server time to pay for. There is no trial period.