Ubuntu is a free, open source operating system with an abundance of useful compatible open source applications available. CR2 files are raw digital image files produced with a Canon camera. An open source application that runs in Ubuntu to manipulate and convert graphics is the Unidentified Flying Raw (UFRaw) program. To convert CR2 files to JPG format (or other image format types), the UFRaw program opens raw digital image files, such as CR2 files, in its own interface to manipulate and convert the image. Install UFRaw using the Synaptic Package Manager in Ubuntu.
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Click the "System" option in the top taskbar in the Ubuntu desktop.
Click the "Administration" option, then click the "Synaptic Package Manager" option. A password prompt appears. Enter the administrator's password and click "OK." The package manager program opens.
Type "ufraw" in the Search input box in the upper right corner of the Synaptic interface. No need to click "Search" because the program will search the database based on what you are typing. UFRaw will be the first listing in the Search results.
Right-click on the "ufraw" entry, and select "Mark for Installation."
Click the "Apply" button on the top navigation bar. A notification will appear listing the libraries that will be installed along with the UFRaw program. Click "OK" to close the dialogue box. The program installs to the system.
Right-click on the "CR2" file, and select "Open with UFRaw." The CR2 file opens in the UFRaw interface.
Click the "Save" button in the lower right corner of the interface. The File Save dialogue box opens.
Click the "File Type" drop-down arrow, and select the "JPEG" file type.
Type a name for the JPG file, if desired.
Click the "Save" button. The CR2 file is converted to JPG in Ubuntu.
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