CR3 to PNG Converter

Convert Canon CR3 RAW camera files to lossless PNG images. Preserve every pixel of detail from modern Canon mirrorless and DSLR cameras.

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Supports: CR3

OptionsAdvanced Options - Our defaults are optimized for the best results. We recommend you keeping the defaults unless you have a specific need.
Image Compression
Quality preset
Higher quality settings preserve more detail but result in larger files. Lower settings reduce file size by increasing compression.
Image resolution
Colors
Compression level
Compression level
Compression speed
Compression speed

How to Convert CR3 to PNG Online

  1. Upload Your CR3 Files: Drag and drop or click "Add Files" to select Canon Raw 3 (.cr3) images from your EOS R-series, EOS M50/M6 II, EOS 90D, or PowerShot G-series camera. Batch upload is supported — drop a whole shoot at once.
  2. Pick a Quality Preset: Default is Very High (Recommended). Choose Highest for archival masters, High or Medium for web-ready assets, or Low/Very Low/Lowest when you need PNGs sized down for fast page loads. PNG is always lossless on the encode side — the preset trades off deeper filter optimisation against compression time.
  3. Set Resolution and Colors (Optional): Keep original (full sensor resolution — 24 MP, 32.5 MP, 45 MP, etc., depending on body), scale by Resolution Percentage, choose a Preset Resolution from 4320p down to 144p, or enter a custom Width x Height. Under Colors you can keep ORIGINAL truecolour or apply Color Reduction + Dither down to a 2-256 colour palette for icons or pixel-art exports. Compression level (0-9) and compression speed tune zlib effort.
  4. Convert and Download: Click Convert. Files process in your browser session — no sign-up, no watermark, no email required. Download each PNG individually or grab a ZIP of the batch.

Why Convert CR3 to PNG?

CR3 is Canon's current RAW format, introduced in 2018 with the EOS M50 and rolled out across the EOS R mirrorless lineup. Unlike its predecessor CR2 (which wraps a TIFF/EP container), CR3 is built on the ISO Base Media File Format (ISO/IEC 14496-12) — the same box-based container family used by MP4 and HEIF — with Canon's proprietary "crx" codec layered on top. That makes CR3 fast for cameras to write at high burst rates, but it also means almost no image viewer outside Canon's Digital Photo Professional, Adobe Camera Raw, Capture One, and a handful of other RAW editors can open the file. PNG (ISO/IEC 15948) gives you the opposite: a universally readable, lossless raster format that every browser, OS, and editor handles natively.

  • Universal compatibility — A CR3 file won't open in Slack, WhatsApp, Microsoft Word, or older Photoshop builds; PNG opens everywhere from iOS Quick Look to Figma to Discord without a plugin.
  • Lossless decode — PNG uses DEFLATE compression (LZ77 + Huffman, defined in ISO/IEC 15948), so the decoded RAW pixels are preserved bit-for-bit on every re-save, unlike JPG which re-quantises on each write.
  • Editing handoff — When you need to send a colour-graded still to a designer using Canva, web-based editors, or Affinity Publisher that don't ingest CR3, a PNG export keeps tonal integrity intact for compositing.
  • Print proofing — PNG's 16-bit-per-channel mode preserves the deep dynamic range from Canon's 14-bit sensors better than 8-bit JPG, useful for soft-proofing before sending to a print lab.
  • Transparency workflows — Once you've masked out a product or subject in a RAW editor, exporting to PNG keeps the alpha channel; JPG would force you to flatten against a solid background.
  • Archival of derivatives — Photographers often keep the .cr3 master and a PNG sidecar for any frame they've already developed, so re-edits don't have to re-render from RAW.

CR3 vs CR2 vs PNG vs JPG

Property CR3 (Canon RAW 3) CR2 (Canon RAW 2) PNG JPG
Introduced 2018 (EOS M50) 2004 (EOS-1D Mark II) 1996 (W3C); ISO 2004 1992 (JPEG)
Container ISO Base Media (ISO/IEC 14496-12) TIFF/EP PNG datastream (IDAT/IEND) JFIF / Exif
Codec Canon "crx" (JPEG-LS + JPEG-2000 hybrid) Lossless Canon TIFF compression DEFLATE (LZ77 + Huffman) DCT + Huffman
Bit depth 14-bit (most bodies) 14-bit 1-16 bit per channel 8-bit (Baseline)
Compression RAW; optional C-RAW RAW only Lossless Lossy
Typical size (24 MP) 25-35 MB (RAW) / 12-20 MB (C-RAW) 28-40 MB 30-55 MB 5-10 MB
Editable WB / exposure Yes (RAW workflow) Yes (RAW workflow) No (baked in) No (baked in)
Transparency No No Yes (alpha channel) No
Universal viewing No (RAW editor needed) No (RAW editor needed) Yes Yes

Quality Preset Quick Guide

Preset What it does Best for
Highest Maximum DEFLATE optimisation, slowest encode Archival masters, print-bound deliverables
Very High (Recommended) Strong compression with reasonable speed Default for most exports
High Balanced compression, faster General-purpose web and editing handoff
Medium Looser compression, smaller filter search Quick proofs, contact sheets
Low / Very Low / Lowest Minimal compression effort, fastest Bulk previews, throwaway exports

PNG quality is always lossless — the preset only changes encoder effort and final file size, not pixel fidelity. For lossy size savings on photographic content, convert to JPG or WebP instead.

Frequently Asked Questions

Which Canon cameras produce CR3 files?

Every Canon body released since the EOS M50 (Feb 2018) writes CR3 by default: EOS R, RP, R3, R5, R5 C, R6, R6 Mark II, R7, R8, R10, R50, R100, EOS 90D, EOS M50/M50 Mark II, EOS M6 Mark II, plus the PowerShot G5 X Mark II, G7 X Mark III, and SX70 HS. Older Canon DSLRs (5D Mark IV, 6D Mark II, 7D Mark II, 80D, etc.) still shoot the legacy CR2 format — for those, use CR2 to PNG.

What's the difference between CR3 and C-RAW?

Both are CR3 container files; the difference is the codec inside. Standard CR3 stores 14-bit RAW data with mathematically lossless Canon "crx" compression. C-RAW (Compressed RAW) keeps the same pixel dimensions and 14-bit depth but uses a visually lossless lossy codec that yields roughly 30-40% smaller files, per Canon's documentation. For most exports you won't see a difference; if you push exposure +3 EV in heavy shadow recovery, full RAW retains slightly more headroom.

Will the PNG file be larger than the CR3?

Usually yes. A 24 MP CR3 lands around 25-35 MB because it stores compressed sensor-pattern data at 14-bit. A PNG stores the fully demosaiced 8-bit-per-channel RGB image (16-bit if you select that depth), which DEFLATE compresses well on smooth areas but poorly on the per-pixel noise typical of photographs. Expect 30-55 MB for an 8-bit PNG at full resolution, or roughly double for 16-bit. If size matters more than perfect fidelity, JPG at quality 90 will be 5-10 MB.

Why not just use JPG straight out of camera?

The camera's JPG engine bakes in white balance, picture style, sharpening, and noise reduction at the moment of capture. A CR3-to-PNG workflow lets you re-process the RAW with corrected exposure, custom WB, and modern noise-reduction algorithms first, then export to a lossless container. You get the colour decisions you actually want, locked into a format every tool can read.

Does converting to PNG preserve the full 14-bit RAW depth?

Only if you export at 16-bit PNG. Most online converters (and the default here) decode CR3 to an 8-bit-per-channel intermediate before encoding PNG, which is fine for screen viewing and web delivery but discards roughly 6 bits of tonal headroom per channel. For exposure-critical work — astrophotography, HDR base layers, print prep — keep the CR3 master and only export PNG for delivery, not as your editing intermediate.

Can I batch convert a whole shoot at once?

Yes. Upload all the CR3 files together; the same Quality Preset, resolution, and colour settings apply to every file in the batch, and you'll get a ZIP of PNGs back. If you need different settings per image, run separate batches.

What metadata survives the conversion?

PNG supports text and EXIF chunks (tEXt, iTXt, eXIf since PNG 1.5 / ISO 15948 amendment). Most converters will carry over basic EXIF — capture date, camera model, lens, ISO, shutter, aperture — but Canon-specific maker notes (Picture Style, Dual Pixel data, lens corrections) are stripped because no PNG reader understands them. If you need that metadata, keep the CR3 archive separately.

Does this work for cRAW / Compressed RAW files?

Yes. C-RAW files use the same .cr3 extension and are decoded the same way; the converter handles both standard RAW and C-RAW transparently. The only practical difference is that C-RAW inputs are smaller, so they upload and process faster.

Should I convert to PNG or DNG for archiving?

Different jobs. PNG is a delivery format — it locks in your edit decisions and is universally readable, but you can't recover "I want to lift the shadows 1.5 stops" from it. DNG (Adobe's open RAW container) is an archival RAW format that preserves the original 14-bit sensor data and lets future editors re-process. Many photographers do both: DNG for the archive, PNG (or TIFF) for delivered masters.

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