One of the most common task in digital photography is export of the final result to World Wide Web. Most applications have special functions that can automate whole process and upload an image to a web server, but they rarely reach optimal quality. Therefore it is good to know what is hidden behind.
Step One: First of all image has to be downsized to a size of a monitor or less. These days more than a half of the computers on the internet use a higher resolution than 1024x768 - this might give you a hint on what size to choose.
If you want to resize image in Zoner Photo Studio, open image in Editor and press Ctrl+E to launch a dialog which is shown below. Enter desired size to Width and Height fields. If you have Keep proportions checked you can enter
one of the dimensions and the other one will be filled in by the program while preserving an original ratio.
Another important parameter of resizing is resizing method. By default Supersampling should be selected
which gives best results for photographs. Its downside is that images lose sharpness during downsampling process,
therefore they need additional sharpnening.
If you don't want to mess with more sharpnening methods you can use sharpening slider which is present in the dialog.
Step Two: In the next step we need to save the image to a jpeg. You can use two functions for that - Save As or Save Web JPEG. The only difference among them is the way how final size of the file is controlled.
Save Web JPEG has a special slider for a file size. This might be useful if there is a limitation on an upload size of the file. However it has its drawbacks - every image is saved with a different quality and especially images with many details might have many artefacts if the desired size is too small.
In Save As a Quality slider controls the file size. This ensures optimal quality for all downsized files.
EXIF checkbox stands for metadata - they can be useful on some websites.