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Supports: CR2
CR2 (Canon Raw version 2) is the RAW format used by most Canon DSLRs and a few mirrorless bodies released between 2004 (starting with the EOS 20D) and roughly 2018, when Canon began rolling out CR3 on DIGIC 8 bodies like the EOS M50 and EOS R. A CR2 file stores 12- or 14-bit unprocessed sensor data inside a TIFF-based container, which is exactly what makes it powerful for editing and inconvenient for sharing. Converting to JPG bakes in your white balance, color, and tone choices into an 8-bit, broadly compatible file.
| Property | CR2 | CR3 | DNG |
|---|---|---|---|
| Owner | Canon (proprietary) | Canon (proprietary) | Adobe (open spec) |
| Container base | TIFF/EP | ISO Base Media (ISO/IEC 14496-12) | TIFF/EP |
| Introduced | 2004 (EOS 20D) | 2018 (EOS M50) | 2004 |
| Camera era | Canon DSLRs 2004-2017 (5D, 6D, 7D, Rebel, 1D Mark II-IV) | DIGIC 8+ bodies — EOS R, R5, R6, M50, 90D, 250D | Pentax, Ricoh, Leica, some smartphones; Adobe converter for any RAW |
| Compressed variant | Lossless JPEG variant | Lossless RAW + lossy C-RAW (~30-50% smaller) | Lossless or lossy (Adobe-defined) |
| Embedded JPG preview | Yes (full-size) | Yes (full-size, HEIF on some bodies) | Yes |
| Edit sidecar | Separate .xmp |
Separate .xmp |
Edits stored inside the DNG |
| Software support | Lightroom, Photoshop, Canon DPP, RawTherapee, darktable, Capture One | Same as CR2 plus newer versions only (Lightroom Classic 8.1+, ACR 11.0+) | Universal — any tool that reads RAW |
| Preset | Approx. JPEG quality | Typical file (24 MP CR2 → JPG) | Best for |
|---|---|---|---|
| Highest | ~98 | 8-14 MB | Print, archival, client deliverables |
| Very High (Recommended) | ~92-95 | 5-9 MB | General sharing, online galleries, proofs |
| High | ~85 | 3-6 MB | Social media uploads, email |
| Medium | ~75 | 1.5-3 MB | Blog images, message attachments |
| Low | ~60 | 0.4-1 MB | Thumbnails, contact sheets |
Numbers assume a typical 6000×4000 24 MP CR2; actual sizes vary with image detail, noise, and ISO. Already small files (e.g., low-detail studio shots) compress further.
JPG is 8-bit and lossy, so the 12- or 14-bit highlight and shadow latitude in your CR2 is collapsed once you export. At 92-95% quality, the JPG is visually indistinguishable from the RAW in normal viewing or print sizes — what you lose is the ability to recover heavy under/overexposure or push white balance hard later. Keep the CR2 as your master; ship JPGs as the readable copy.
Your file is probably a CR3, not a CR2, despite looking similar. Canon switched to CR3 on DIGIC 8 cameras starting with the EOS M50 in 2018, including the entire EOS R lineup (R, R5, R6, R7, R8, R10) and newer Rebels like the 250D/SL3 and 850D. Use the CR3 to JPG converter for those files.
No. This converter reads CR2 directly via open-source libRaw, so you don't need Canon DPP, Lightroom, or Photoshop installed. That's the main reason people convert online — to skip the multi-gigabyte Adobe download for a one-off batch.
Yes. Drop the whole folder, pick your quality and resolution settings once, and they apply to every file in the queue. Downloads can come as individual JPGs or a single ZIP. For very large shoots (1,000+ files) browser memory becomes the bottleneck — split into batches of a few hundred.
Yes — every CR2 embeds a full-resolution JPG thumbnail that Canon DPP and image viewers use for fast preview. Extracting it is faster than a true conversion, but the embedded JPG uses Canon's in-camera processing settings (Picture Style, white balance, sharpening) baked in at capture time. A true conversion lets you control the quality and resolution; this tool does a true conversion rather than just dumping the embedded preview.
No. CR2 edits made in Lightroom, Camera Raw, or Bridge live in a separate .xmp sidecar file, not inside the CR2 itself. An online converter only reads the raw sensor data plus the in-camera Picture Style, so it ignores any .xmp adjustments. For edited deliverables, export the JPG from Lightroom/ACR; use this tool for unedited bulk conversion.
For web and social, scale to 2048-2560 px on the long edge — that's sharper than most displays render and keeps the file under 2 MB at 92% quality. For print, keep original resolution; a 24 MP CR2 prints clean at 16×24 inches at 250 DPI. For email or messaging, 1600 px wide is plenty and the file usually drops under 500 KB.
If you've already kept the CR2 as your master, JPG at "Highest" is fine for an archival viewer copy and stays under 15 MB per image. If you need an editable archive without the RAW, CR2 to TIFF preserves 16-bit data losslessly at the cost of 60-100 MB per file. You can also convert to CR2 to PNG for lossless 8-bit, or combine multiple frames into a contact sheet with CR2 to PDF.
CR2 files are processed on our servers and deleted automatically after a few hours and removed shortly after — they're not used for training, indexed, or shared. No account is required and there's no watermark on the output.