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Supports: CR2
CR2 (Canon Raw Version 2) is Canon's proprietary RAW format, introduced in 2004 with the EOS 350D and used by every Canon DSLR through 2018 — 5D / 5D Mark II / III / IV, 6D, 7D, 7D Mark II, 60D / 70D / 80D / 90D, and the Rebel T-series (T3i through T8i). Newer Canon mirrorless and DSLR bodies (R5, R6, R7, R10, 1D X Mark III, 90D firmware updates) shoot CR3 instead. CR2 files are 20-30 MB each, contain 14-bit color depth, and require Canon Digital Photo Professional (DPP4), Adobe Lightroom, Capture One, or DxO PhotoLab to open. JPEG is the universal compressed image format — opens on every phone, laptop, browser, social platform, and print kiosk on earth. Common reasons photographers convert CR2 → JPEG:
| Property | CR2 (Canon RAW v2) | JPEG |
|---|---|---|
| Compression | Lossless | Lossy (DCT) |
| Color depth | 14-bit per channel | 8-bit per channel |
| Typical file size | 20-30 MB | 1-8 MB |
| Editing latitude | Wide — recover ±2 stops, full white balance freedom | Narrow — limited highlight/shadow recovery |
| Native viewer | Canon DPP4, Lightroom, Capture One, DxO | Every browser, OS, phone, print kiosk |
| Social media upload | Not accepted | Universal |
| EXIF metadata | Full (camera, lens, settings, GPS) | Preserved on conversion |
| Cameras using it | Canon DSLRs 2004-2018 (5D, 6D, 7D, 70D, Rebel) | Universal |
| Best for | Master originals, future re-edits | Sharing, web, email, print delivery |
| Preset | JPEG quality | Output size (from 28 MB CR2) | Best for |
|---|---|---|---|
| Highest | ~98% | 6-12 MB | Archival, large prints, hero images |
| Very High (default) | ~92% | 3-7 MB | Client delivery, portfolios, fine-art proofs |
| High | ~85% | 1.5-4 MB | Web galleries, blog posts, email |
| Medium | ~75% | 800 KB-2 MB | Social media, contact sheets |
| Low | ~60% | 300-700 KB | Thumbnails, quick reviews |
| Very Low | ~40% | 80-300 KB | Email previews, mobile messaging |
Yes — EXIF metadata transfers from CR2 to the JPEG output. Camera body (5D Mark IV, 6D Mark II, 7D Mark II, 90D, etc.), lens model (EF 24-70mm f/2.8L II USM, EF 70-200mm f/2.8L IS III, EF-S 17-55mm f/2.8), shooting mode, shutter speed, aperture, ISO, focal length, and GPS coordinates (on bodies that recorded them) all carry over. If you want to strip metadata before publishing online — common for protecting location privacy — enable the "remove EXIF" option in advanced settings.
Yes — always. CR2 holds 14 bits of color per channel and full sensor data; JPEG is 8-bit and lossy. Once you discard the CR2, you can't recover blown highlights, fix white balance from scratch, or re-edit with new software in 5 years. Standard workflow: keep CR2 masters on backup drives or cloud (Backblaze, Carbonite, iDrive) and treat JPEG as a delivery/share format only.
Close, but not identical. Canon DPP4 applies the in-camera Picture Style (Standard, Portrait, Landscape, Faithful, Neutral, Monochrome) and any custom curves. Lightroom applies Adobe's default RAW interpretation. Our converter uses libraw-derived demosaicing with neutral defaults — colors are accurate but not "Canon-rendered" with Picture Style baked in. For client delivery where color science matters, edit in DPP4 or Lightroom first, then export. For quick web shares and proofs, the inline conversion is great.
CR2 was Canon's RAW format from 2004 to about 2018; CR3 replaced it on the EOS M50 (2018), and is now the format for every R-series mirrorless (R, RP, R5, R6, R7, R8, R10, R50, R100), 1D X Mark III, 90D, and 250D. CR3 uses a CRAW (compressed RAW) variant that's roughly 30-40% smaller than CR2 with imperceptible quality difference. If your camera is from 2018 or later and shoots .CR3 files, see CR3 to JPG instead.
Yes — drop in 100, 500, or even 2,000+ CR2 files. Each converts in parallel within your browser session and downloads as a ZIP. Useful for wedding shooters and event photographers prepping client galleries from a single day's shoot. Nothing uploads to a server, so even a 60 GB CR2 folder stays private.
Same workflow applies for other camera makers. See CR3 to JPG for newer Canon mirrorless, NEF to JPG for Nikon DSLRs and Z-series, ARW to JPG for Sony Alpha bodies, DNG to JPG for Adobe / phone DNG, and RAF to JPG for Fujifilm X-series. The math is the same: RAW master → JPEG delivery.
CR2 stores raw 14-bit sensor data with no demosaicing applied — it's a digital negative. JPEG stores a finished, demosaiced, 8-bit image with DCT-based lossy compression. A 28 MB CR2 routinely becomes a 3-6 MB JPEG at "Very High" — that's a 5-9× reduction with very little visible quality loss for normal viewing distances. This is normal and expected.
No — identical format. "JPEG" is the full name (Joint Photographic Experts Group); "JPG" is the legacy 3-character extension from DOS-era filesystem limits. Both are byte-for-byte compatible. See CR2 to JPG if you prefer the .jpg extension.
No — JPEG is a lossy format by design. The default "Very High (Recommended)" preset (~92% quality) produces output that is visually indistinguishable from the source for almost all viewing scenarios, but a pixel-peep comparison will show DCT artifacts. For a true lossless conversion of CR2, convert to CR2 to TIFF or CR2 to PNG instead.