image processing 100+ images to be below 600KB but above 500KB

[Simon.25877479lpt6]

Is there away to creat an action or skript that will make all my images to below 600 KB but above 500KB? I am currently image processing the ones that are too large to image quility 11, then the ones that are still too large to image quality 10 then 9 then 8... until all are below the right size. I cannot just process all at say at image Quality 7 because then some would be too low. 

[c.pfaffenbichler]

Are you familiar with JavaScript and Photoshop’s DOM? 

Have you done a Forum search? Because the issue of degrading an image until it meets a size requirement has come up previously. 

[Simon.25877479lpt6]

Hi

I know some Javascript, What is Photoshop's DOM?  

Cheers

[c.pfaffenbichler]

Document Object Model; the more readable way to direct Photoshop in Scripting; Action Manager- aka AM-code is less readable but often performs faster. 

[D Fosse]

Just another way to look at this: Jpeg file size depends to a high degree on image content. Flat, smooth areas compress much more efficiently than busy high frequency detail.

The point is - it will all average out in the end. Let the small remain small and the big remain big. The detailed images might be where you need good quality.

These two are same pixel size and same quality level. The first is 47 kB. The second is 376 kB.

[Stephen Marsh]

@Simon.25877479lpt6 

https://community.adobe.com/t5/photoshop-ecosystem-discussions/slow-operation-of-the-script/td-p/135...

https://mindfulretouch.com/the-course/saving/saving-quality/

[Abambo]

In Camera Raw (and in Lightroom), there is for saving (export) a target size with JPEG, that you can give. All files are below that target size, with the best quality possible.

You can't set the “above” parameter because that one does not make sense here.

[Stephen Marsh]

@Abambo – thanks for the reminder of the ACR batch save option! Save for Web has such an option, but it can't be batched or scripted.