100% Free No Upload Bulk Conversion RAW Support

Bulk CR2 to ARW Converter — Free, No Upload

Convert multiple CR2 files to ARW instantly — all in your browser. No file limits, no watermarks, and completely private.

CR2 ARW  ·  ZIP
Bulk CR2 → ARW Converter
Select files, convert, download ZIP — all locally
RAW conversion may take longer — files are processed via WebAssembly in your browser

Drop CR2 files here or click to browse

Supports batch selection — convert hundreds of files

CR2 → ARW ZIP
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✓ Conversion completed! All files converted successfully. Click Download ZIP to save them.

Why convert CR2 to ARW?

The main issue with CR2 is lack of browser support. Converting to ARW fixes this by providing broad compatibility across devices and software. This conversion processes your files entirely in your browser using WebAssembly – no upload, no server, no privacy concerns. Perfect for sensitive or large batches.

RAW conversion may take longer — files are processed via WebAssembly in your browser

Technical comparison: CR2 vs ARW

PropertyCR2ARW
Full nameCanon RAW 2Sony Alpha RAW
Compression Lossless RAW Lossless RAW
Color depth14-bit per channel14-bit per channel
Transparency No No
Web support No No
Developed byCanon (2004)Sony (2006)
Best for Canon DSLR professional photography Sony Alpha mirrorless photography

How to use — 3 simple steps

1
Select your CR2 files
Drag & drop or click to choose multiple CR2 images. No file size restrictions.
2
Start the conversion
Click "Convert to :to" — your files are processed locally using WebAssembly. No upload, no waiting.
3
Download ZIP archive
All converted ARW files are bundled into a single ZIP. One click, everything saved.

Popular use cases for CR2 → ARW

Make your CR2 images viewable on any device – convert to ARW

Stop dealing with 'unsupported format' errors – use ARW instead of CR2

Batch rename and convert your CR2 collection to ARW for a unified library

Improve your website's Google PageSpeed score by serving ARW images

💡 Pro tips

  • RAW files process directly in your browser — no software installation needed
  • Bulk convert your entire RAW session at once — drop all files together
  • Use the ZIP download to get all converted files in a single click
  • All processing is private — files are never uploaded to any server

Frequently Asked Questions

Typically 60-90% smaller for lossy ARW, or 20-40% for lossless ARW compared to uncompressed CR2.
ARW is supported by all modern browsers (Chrome, Firefox, Safari, Edge) if web_support is true. Check caniuse.com otherwise.
Only the first frame of animated GIF will be converted to ARW. For animation, use GIF or WebP.
ARW supports transparency? If yes, preserved. If not, transparent areas become white/black. Use PNG for transparency.
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