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SONOFERIC
New Participant
June 4, 2012
Answered

jpeg saving opptions

  • June 4, 2012
  • 6 replies
  • 117404 views

When I save an image as a jpeg, there are three opptions: 1. Baseline Standard, 2. Baseline Optimised, 3. Progresive. Can anyone explain the differences apart from file size?

This topic has been closed for replies.
Correct answer Jeff Arola

From the photoshop help manual:

"

In the JPEG Options dialog box, select the options you want, and click OK.

Matte
Offers matte color choices to simulate the appearance of background transparency in images that contain transparency.
Image Options
Specifies the image quality. Choose an option from the Quality menu, drag the Quality pop-up slider, or enter a value between 0 and 12 in the Quality text box.
Format Options
Specifies the format of your JPEG file. Baseline (“Standard”) uses a format recognized by most web browsers. Baseline Optimized creates a file with optimized color and a slightly smaller file size. Progressive displays a series of increasingly detailed versions of the image (you specify how many) as it downloads. (Not all web browsers support optimized and Progressive JPEG images.)"


In my experience almost all browers people use now support the Baseline Optimized option, which is what i usually use if the jpeg is bound for the web.
Those format options don't really mean much if your not planning to use the jpeg on the web and you'll get even smaller file sizes by using File>Save for Web

6 replies

Jeff Arola
Jeff Arola
Braniac
October 8, 2019

Save for Web strips the metadata unless specified otherwise, while save as>jpeg does not strip any metadata which can sometimes be quite large due to Ancestors Metadata and thus the different jpeg compression options seem to make little difference.

 

https://community.adobe.com/t5/Photoshop/Inflated-JPG-File-Size-Photoshop-Document-Ancestors-Metadata/td-p/8055434

schroef
schroef
Inspiring
October 8, 2019

Your better off using save for Web. The save as command and using JPEG is horribly bad, it hardly makes any difference, even when setting it to low. When using Saves for Web, files will be about 60% smaller. Not sure why this is, it seems like the Saves JPEG method doesnt work properly.

What i do find strange is that i read there thinking of dropping the Sve for Web command, its very old and slow. Hope they come with a good alternative, because saves as is just not good in my opinion.

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bigpsfan
Participating Frequently
September 29, 2016

Thanks for this thread I've learnt few things today. I have a question though.

Should I check the "Embed Color Profiie: sRGB IEC61966-2.1" box or keep it uncheck while saving as PSD, JPG or PNG or any other format.

Please see the attached image for better understanding.

Thanks in advance!

    Jeff Arola
    Jeff Arola
    Braniac
    September 29, 2016

    Check Embed Color Profile

    B
    bigpsfan
    Participating Frequently
    September 29, 2016

    Thank you! Can you help me again about saving image as PNG. In the image below which option should I choose to get the best possible image for the web.

    Thank you very much!

      M
      melissad15004198
      New Participant
      June 16, 2016

      When saving jpegs in Photoshop as photos to print (and not to use on the web) what is the best format saving option here?

      Jeff Arola
      Jeff Arola
      Braniac
      June 17, 2016

      You should save the jpeg as a psd or tif.

      Repeatedly saving a file as a jpeg reduces the image quality with each save because jpeg

      uses compression to keep the file size small, but quality suffers because of the compression.

      Jpeg is a destructive file format suited for the web or email.

      Psd and tiff are non destructive, meaning the image quality doesn't deteriorate with each save.

        A
        Anonymous
        June 4, 2012

        The short answer is to use "Baseline (Optimized)" for saving JPG files.

        The long answer(s) can be found by searching the Web for "baseline standard", but here's what you need to know about PSE's JPG saving options:

        JPG is a "lossy" method of compressing image files -- it throws away image data before doing the compression, so set your "Quality" option to "Maximized". That is the key setting for image quality.

        "Baseline (Optimized)" might reduce file size slightly (2% or so), and might be incompatible with viewers using old technology. "Optimized" might produce better colours, but that might not be perceptable.

        "Progressive" means that the image is rendered as scan lines (like the old-fashioned TVs used) so that a browser will quickly show a reduced quality image of half the scan lines while it resolves the complete image.

        Personally, I never use JPG -- each time a JPG is saved you lose more and more image data because of the lossy compression algorithms. I use PNG, which is lossless.

        Ken

          S
          SONOFERICAuthor
          New Participant
          June 4, 2012

          Thanks for the info, I've decided to use png myself after reading your posting. However, when saving the files it asks if I want to save interlaced or not... What does this mean?

          Keith.

            A
            Anonymous
            June 4, 2012

            The same as that "Progressive" option for JPGs.  Use non-interlaced.

            Ken

              Jeff Arola
              Jeff ArolaCorrect answer
              Braniac
              June 4, 2012

              From the photoshop help manual:

              "

              In the JPEG Options dialog box, select the options you want, and click OK.

              Matte
              Offers matte color choices to simulate the appearance of background transparency in images that contain transparency.
              Image Options
              Specifies the image quality. Choose an option from the Quality menu, drag the Quality pop-up slider, or enter a value between 0 and 12 in the Quality text box.
              Format Options
              Specifies the format of your JPEG file. Baseline (“Standard”) uses a format recognized by most web browsers. Baseline Optimized creates a file with optimized color and a slightly smaller file size. Progressive displays a series of increasingly detailed versions of the image (you specify how many) as it downloads. (Not all web browsers support optimized and Progressive JPEG images.)"


              In my experience almost all browers people use now support the Baseline Optimized option, which is what i usually use if the jpeg is bound for the web.
              Those format options don't really mean much if your not planning to use the jpeg on the web and you'll get even smaller file sizes by using File>Save for Web
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