Best way to edit a JPG file in Photoshop while minimizing loss of quality?

I want to change a lot of pictures of the camera (captured in JPG format) to correct (and sometimes framing and other) exposure issues, but want to reduce to a minimum of loss of quality when I re - save the file. It is preferable to open each image in Camera Raw, make the adjustments, then use 'Save the Image' of the screen of Camera Raw to save my changes? I noticed that this results in a smaller file than the original (for example 1.95 Mb vs 3.75 MB), but wanted to make sure I was using the optimal method for opening/editing/backup to avoid losing too much image quality.

I think that if you open a Jpg file in camera raw and that through bridge, just the metadata are saved, the image is not recompressed. So what would be the best way to make changes

Tags: Photoshop

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