Why are converted files smaller than original when Output 'Format' is set to 'Original'?

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tjs
Posts: 1
Joined: Mon Aug 10, 2020 8:52 am

Why are converted files smaller than original when Output 'Format' is set to 'Original'?

Post by tjs » Mon Aug 10, 2020 9:04 am

I'm using XnConvert to add a date stamp to the bottom corner of my photos. When converting a jpeg photo taken on my smartphone, the output is about 1/2 the size of the original even though "Output Format" is set to "Same as Original".

For example, i started with a jpg file that is 3.64MB, 4032x2872px /24bit. I then added the time stamp with a Text Action. The resulting file is only 1MB with the same properties!? What is being removed/ compressed?

If anyone knows, please explain. Thank you.

cday
XnThusiast
Posts: 2499
Joined: Sun Apr 29, 2012 9:45 am
Location: Cheltenham, U.K.

Re: Why are converted files smaller than original when Output Format is set to Original?

Post by cday » Mon Aug 10, 2020 9:14 am

'Same as original' sets the output file format, but the compression used when saving is determined by the values set in the 'Settings...' button below... :D

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