About CR2/CR3 to Image Converter
The CR2/CR3 to Image Converter allows you to upload Canon RAW files (.CR2 and .CR3) and convert them into standard image formats directly in your browser. This tool supports multiple output formats and batch conversion, making it easy to process RAW photos into commonly used image types.
What Is This Tool?
This tool is designed to convert Canon RAW image files (CR2 and CR3) into widely supported image formats such as JPG, PNG, WEBP, TIFF, BMP, AVIF, HEIC, and SVG.
It allows you to:
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Upload multiple RAW files
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Choose your preferred output format
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Convert all files in one click
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Download individually or as a ZIP file
What Are CR2 and CR3 Files?
CR2 and CR3 are RAW image formats used by Canon cameras.
These files:
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Store unprocessed image data directly from the camera sensor
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Contain high-quality image information
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Are typically large in size
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Require special software or conversion to be viewed as standard images
Because many applications and websites do not support RAW formats directly, converting them to standard formats like JPG or PNG makes them easier to share and use.
Supported Input Files
This converter accepts:
Each file can be up to 150 MB in size.
Files with other extensions are automatically rejected during upload validation.
Supported Output Formats
You can convert CR2 and CR3 files into the following formats:
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JPG
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PNG
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WEBP
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TIFF
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BMP
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AVIF
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HEIC
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SVG
The desired output format is selected using radio buttons before conversion.
Key Features
Drag & Drop Upload
Upload RAW files by dragging them into the drop area.
Multiple File Upload
Upload and convert multiple CR2/CR3 files in one session.
Batch Conversion
Convert all uploaded files at once using a single "Convert Images" button.
Format Selection
Select the output format (JPG, PNG, WEBP, TIFF, BMP, AVIF, HEIC, SVG) before conversion.
Parallel Processing
Files are converted using a controlled thread pool for improved performance while managing memory usage.
Unique Output File Names
Each converted file is assigned a unique name to prevent overwriting.
Download Individual Files
Each converted image includes a "Download" button.
Download All as ZIP
Download all converted files together in a compressed ZIP archive.
Automatic Cleanup
Temporary uploaded files are cleaned up when:
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You clear the files
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You leave the page
File Size Validation
Files larger than 150 MB are rejected.
How It Works
Step 1: Upload Files
Upload CR2 or CR3 files using drag-and-drop or file selection.
Step 2: Choose Output Format
Select your desired output format from the format selector.
Step 3: Convert
Click "Convert Images" to start batch conversion.
The tool:
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Processes RAW data using optimized settings
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Converts the image into the selected format
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Saves the converted image with a unique filename
Step 4: Download
Download converted images individually or as a ZIP file.
Output Format Behavior
Each format is saved with appropriate handling:
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JPG: Saved in RGB mode with quality optimization
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PNG: Saved with optimization enabled
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WEBP: Saved with compression and quality settings
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TIFF: Saved with compression
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BMP: Converted to RGB if needed
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AVIF: Attempts conversion; if unsupported, falls back to PNG
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HEIC: Attempts conversion; if unsupported, falls back to PNG
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SVG: Embeds the converted PNG image inside an SVG wrapper
If a format fails (such as AVIF or HEIC), a PNG fallback file may be created and returned with a warning.
Conversion Results
After conversion:
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The results section becomes visible
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Each converted file is listed
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You can download files individually
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Warnings are shown if any file had fallback behavior
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If conversion fails, error information is returned per file
If no files are successfully converted, the tool displays a message indicating the issue.
Download Options
Download Single File
Click the download button next to a converted image.
Download All Files
Use the "Download All" option to receive a ZIP file containing all successfully converted images.
Session & File Handling
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Uploaded files are stored in a temporary session-specific folder.
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Converted files are stored in a dedicated output directory.
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Absolute server paths are never exposed to the client.
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Temporary upload files are removed during cleanup.
Validation & Error Handling
The tool handles:
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Invalid request methods
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Unsupported file extensions
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Files exceeding 150MB
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Missing files
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Conversion errors
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Unsupported output formats
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Fallback behavior for AVIF/HEIC
Clear error messages are returned when issues occur.
The CR2/CR3 to Image Converter provides a structured and efficient way to convert Canon RAW files into widely supported image formats. With support for multiple formats, batch processing, ZIP downloads, and session-based file handling, this tool simplifies RAW image conversion while maintaining performance and controlled resource usage.