JPEG size after BQM

[Remco Viëtor]

On dimanche 12 mai 2024 08:46:24 CEST frederic chaume wrote:
> Hi
> 
> I created a workflow in BQM just to add a watermark (using a png
> filewith and opacity of 75%) .
> Then I add a JPEG and I got the expected result but I realized that the
> size of the orginal JPEG was ~12Mb and the generated file is only ~4Mb .
> I checked that the resolution remains the same , so I'm wondering is
> there should be some comperssion during the BQM execution. Did I miss
> something?
> For information, I did  the same in another software (DXO) and the
> generated file has the same size than the original one
> 
> thanks for your feedback
> 
> Frederic

Adding a watermark to a .jpg means re-encoding the data, so yes, file size can 
change depending on quality settings.