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benr70905033
Participant
February 28, 2019
Question

Limiting File Size upon Export

  • February 28, 2019
  • 3 replies
  • 9508 views

I am trying to batch process images and the files need to be 1800x1800px @ 72dpi .  I achieve this through an action, but I want to be able to control the save functions when batch processing for "Save for Web"(jpeg).

The export file size is required to be between 500-600KB, but I need to batch export images at these settings.  I have tried writing script for it, but it does not correctly execute the save function.

Does anyone have any insight into controlling my files size export?

    3 replies

    MarekMularczyk
    Community Expert
    MarekMularczykCommunity Expert
    Community Expert
    March 1, 2019

    You can load as many images as you want into Camera Raw so it becomes your "batch process"

    Adobe Community ExpertAdobe Certified Professional
      O
      Offer-Readman
      Participating Frequently
      October 23, 2024

      I found this to be a really good way of batching but the compression engine isn't great so be careful.

      Stephen Marsh
      Community Expert
      Stephen MarshCommunity Expert
      Community Expert
      October 24, 2024
      quote

      I found this to be a really good way of batching but the compression engine isn't great so be careful.


      By @Offer-Readman

       

      Always! Sadly there are not many options to target file size on disk, even more so for batching.

       

      There are always trade-offs, and the requirement to have images at 1800 x 1800px and also have a 500-600Kb file size limit may be counter to each other and or with image quality.

       

      I would use a small but broad sampling of images for testing to see what the common final file sizes are at different quality levels. This way most of the images can hopefully be saved at to the required px and kb targets with the best compression vs quality settings. Then for the outliers that exceed the target, one can use such methods to bring down the size on disk, knowing that quality will be the trade-off. Another trade-off is time.

       

      MarekMularczyk
      Community Expert
      MarekMularczykCommunity Expert
      Community Expert
      March 1, 2019

      Use Adobe Bridge.

      1. In Bridge load all the images into Camera Raw (right-click and Open in Camera Raw...)
      2. In Camera Raw click  Save Images in the bottom left corner
      3. In dialogue box that opens you can limit file size (at the bottom of my screenshot):

      Adobe Community ExpertAdobe Certified Professional
        Y
        yuriyz29399825
        Participant
        October 1, 2023

        Hi Marek,
        I need to optimize almost 2 thousand photos for a website, and the method you described is the most suitable. But when I tried to do it, I saw that I did not have the item "Limit file size to", please tell me if there is another method by which it can be done? I use the latest versions of Adobe programs.

        I don't want to use Lightroom because all the files are all structured and packaged in folders.
        Thank you very much!

          Nancy OShea
          Community Expert
          Nancy OSheaCommunity Expert
          Community Expert
          February 28, 2019

          Do not use legacy Save for Web.

          I should also mention that 96ppi is the web standard for images now. 72ppi was dropped from the specs a long time ago.

          Record an Action using File > Export > Export As JPG. 

          Adjust quality slider downward to reduce file size.

          Scroll down to save Metadata and convert to sRGB color space.

          .

          Nancy O'Shea— Product User & Community Expert
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