View CRW files on your browser
Canon's first raw format, from the EOS D30, 10D and 300D and early PowerShots. Filepeek still develops it, right on your browser.
Or drop it anywhere on this page
What you'll see
Your file opens at actual size, or shrunk to fit your screen, with its details along the top.
- Actual size, or shrunk to fit
- Drag to pan • Pinch or scroll to zoom
- Fullscreen
- Export • Save as PNG or JPEG
About CRW
CRW was Canon's first raw format, stored in the Camera Image File Format, or CIFF, which Canon published in 1997. The EOS D30, D60, 10D and 300D saved it, and so did PowerShots like the G1 to G6 and the S30 to S70.
Each file holds 10 or 12 bits per pixel from the sensor, with lossless compression. Canon replaced CRW with CR2 in 2004, so these files mostly turn up in old photo archives and backups.
No browser shows CRW by itself. Filepeek develops it with LibRaw, the open source raw decoder, using the camera's white balance. A photo from over twenty years ago opens at full size, ready to save as a JPEG any app can open.
Canon Raw
.crw
Format
- MIME type
- image/x-canon-crw
- Made by
- Canon
Inside the file
- Holds
- Raw sensor data
- Compression
- Lossless
- Bit depth
- 10 or 12 bit
- Built on
- CIFF, Canon's own
Opens in every browser
No browser shows CRW by itself. Filepeek develops it with LibRaw in Chrome, Edge, Firefox and Safari.
- YouChromeOpens through Filepeek
- YouEdgeOpens through Filepeek
- YouFirefoxOpens through Filepeek
- YouSafariOpens through Filepeek
Questions
How do I open old CRW files?
Drop one on this page or press Peek a CRW. Filepeek develops it in your browser, with nothing to install, and Export saves it as a JPEG or PNG for any app.
What's the difference between CRW, CR2 and CR3?
They're three generations of Canon raw. CRW came first, CR2 took over in 2004 and CR3 in 2018. Filepeek opens all three.
Why does it look flatter than I remember?
Cameras add their own contrast, color and sharpening to the photos they show and save as JPEG. Filepeek develops the raw data neutrally, with the camera's white balance, so the photo can look flatter here.
Is my photo uploaded?
No. The CRW is developed inside your browser and never leaves your device.