While these are larger than your originals, the increase size does not reflect more details. These files get very big because they contain layer information that allows you to modify some of the work you have already done. Size of your working files: This the files you work in Photoshop (or similar traditional image editing applications). It is highly recommended these never be overwritten. This is the amount of data your camera has captured.
Usually 5-10 MB for JPEGs and 10-24 MB for RAW files. Size of your images: That is the size of the output of your camera. I do wish to add that there should be a separation between the size of your images, the size of your in working files and the size of the images you share: You have already gotten plenty of good answers. You can reduce filesize by resizing your image to a smaller size by going to the Image menu and select Image size:
#Compress file size in photoshop pro
For the purpose of posting to Flickr, unless you have a Pro account the practical maximum dimensions is 1024 pixels along the longest size, so there is little point in having a larger image than that. My 550D saves images at 5184 x 3456 pixels, which is almost always way more than I need. Resolution is the size of your image in pixels (or megapixels). When you set the JPEG quality, photoshop will estimate what the resulting filesize will be, enabling you to tailor this setting for the desired file size: I never set this to more than 10 and neither should you, and settings down as low as 8 are generally satisfactory for me. You will be prompted for a compression setting. You can control the filesize versus quality tradeoff in photoshop when selecting File and Save as. When you save an image as a JPEG, the quality of the image is degraded in order to make the file smaller. Always remember to keep an original uncompressed and unresized copy of your photo as well! Compression All other things being equal, I usually compress my images more rather than resizing them more, however Flickr has size limits that may affect your choice here. Experiment with both these settings until you get a balance between the two that works for you. There are two settings that affect JPEG file size, resolution and compression.
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