JPEG size after BQM

[Maik Qualmann]

I can't reproduce it here. Starting from an image of around 11 MB, with BQM 
JPEG 100% and 4:4:4 I get a file size of around 18 MB.

Maik

Am Sonntag, 12. Mai 2024, 10:09:59 MESZ schrieb frederic chaume:
> ok, but here the differene is huge :  70% smaller (12Mb vs 4Mb).
> I checked the "saving images" parameters from the BQM : "JPG Quality" is
> set to 100% and "chroma.. " set to 4.4.4 (best quality)
> 
> is there other settings that could explain this difference ?
> frederic
> 
> Le 12/05/2024 à 08:57, Remco Viëtor a écrit :
> > 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.