Will Lightroom still open CRW?

CRW is Canon's original RAW format, used from 1997 through 2004 on bodies including the D30, D60, 10D, 300D Digital Rebel, EOS-1D, EOS-1Ds, and the PowerShot Pro 1, Pro 70, and G-series compacts up to the G6. Photographers digitizing old hard drives, estate executors recovering a deceased relative's archive, and museum collections cataloging early-digital photojournalism are the primary audience converting CRW to JPG. Modern Lightroom and Photoshop still read CRW, but ecosystem rot - missing color profiles, no current camera profile - makes batch conversion to JPG the practical archival move.

Canon dropped CRW for the TIFF-based CR2 with the EOS-1D Mark II in 2004, so any CRW file is at least two decades old. The format is a 12-bit Canon-proprietary container (CIFF-based) holding sensor data from 3MP to 11MP depending on body - tiny by modern standards. A 6MP 10D CRW is roughly 8MB; a 4MP D30 CRW is 4-5MB. Converting these to quality-95 JPG produces 2-4MB files that fit modern photo libraries (Apple Photos, Google Photos, Lightroom CC) and can be tagged, dated, and faces-recognized.

Newspaper and wire-service archivists holding CRW from early 2000s sports and politics coverage convert in bulk to JPG so the images can be re-indexed for editorial reuse, anniversary features, or estate licensing. The metadata is the value, not the megapixels - a 2003 White House press pool CRW is small but historically rich. CRW to JPG batch conversion preserves the EXIF timestamp, shutter, lens, and ISO so the file remains searchable in DAMs like Photo Mechanic Plus or PhotoShelter.

Reasons to convert CRW to JPG usually come down to compatibility, file-size, or specific feature requirements. Common situations:

• An app or platform only accepts JPG uploads.
• You need a feature unique to JPG (e.g. transparency, vector scaling, animation, multi-page pages, etc.) that CRW doesn't provide.
• You're optimising file size — modern formats often produce smaller files than the older format you started with.
• You need a single archival format across a project so files behave consistently in the same viewer.

1. Open the CRW → JPG tool on jpg.now.
2. Drag your CRW file onto the drop zone, or click Select files. You can drop a whole folder of files at once.
3. The output is fixed to JPG. If the format supports extra options (page size, transparency background, quality, EXIF stripping), tweak them in the right-hand panel.
4. Click Convert. The job runs on our server and finishes in a few seconds for typical photos.
5. Download the result. Files stay in storage for 24 hours and are then permanently deleted.

The entire flow is free for the first 10 jobs per day with no signup required. A free account doubles that quota; a premium plan removes the limit entirely.

• Use Canon ZoomBrowser EX or DPP 3.x (legacy installers still on Canon support pages) for CRW - DPP 4 dropped CRW support around 2014.
• Convert to DNG first via Adobe DNG Converter 14+ if you want a modern archival master, then derive JPG from the DNG - this future-proofs the original.
• Bump quality to 95+ on conversion - CRW files are already small (3-11MP), so the JPG output is tiny anyway and you may as well preserve detail.
• Check EXIF timestamps before converting - early CRW bodies had clock drift and incorrect dates that batch tools can fix via ExifTool's -AllDates argument.
• Don't trust embedded thumbnails as quality indicators - CRW thumbs are 160x120 JPEGs that look terrible but the underlying 6MP data is fine.