[Solved] terrible jpg compression results

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forum_adm
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Re: terrible jpg compression results

Post by forum_adm » Sat Dec 22, 2018 10:09 am

Hi,
that is really simple.
Please check your JPEG save as settings.
Convert and modify: Click onto Optioon
Browser: Toolitem Batch&Format click onto Options for Format

What is selected?

Please set the quality to 80 or more.

Thorsten
Screen Shot 2018-12-22 at 10.07.16.jpg
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Re: [Solved] terrible jpg compression results

Post by forum_adm » Sat Dec 22, 2018 10:11 am

I suggest to try checking the quality with a single file.

Just open an image with GraphicConverter.
Select File/Save as…
Select JPEG as format
Click onto option
Adjust the quality and other settings and view the result.

Thorsten
Screen Shot 2018-12-22 at 10.11.15.jpg
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ianstudio
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Re: [Solved] terrible jpg compression results

Post by ianstudio » Sat Dec 22, 2018 11:25 am

Thanks, but you imagine I know all this ;0)
What I'm saying is I get terrible results using similar compression settings compared to other much simpler tools such as:
https://www.hugyapps.com/compress/en/
https://www.batchphoto.com
https://overmacs.com/?p=photomill

and when I mean terrible I really mean terrible, major jpg artefacts.. as in totally unusable professionally for web images purposes (my job).

PS: Should I send you comparative samples so you really get the point ?

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Re: [Solved] terrible jpg compression results

Post by forum_adm » Sun Dec 23, 2018 10:36 am

Hi,

different software products may use different quality scales due the different libraries.

I use the official JPEG6 library from the JPEG group.

Please e-mail some samples zipped to lemke@lemkesoft.de

Thorsten

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