Canon EOS R50 Mirrorless Camera (White) - Manual (Page 527)

Resizing JPEG/HEIF Images
You can resize a JPEG or HEIF image to reduce the pixel count and save it as a new image.
Resizing is available for , , or JPEGs or HEIFs (in sizes except
), including those
captured in RAW+JPEG and RAW+HEIF shooting. Note that resizing is not available for
images, RAW images, or frame-grab images from 4K movies.
1.
Select [ : Resize].
2.
Browse your images.
Use the < >< > keys to select an image to resize.
Press the < > button to display the image size.
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