Option 1: Saving JPEG format
If necessary, Adobe Photoshop can be used to deteriorate image quality, using a lot of tools, including combining each other. The easiest method of achieving the desired result is to save the snapshot with the .jpeg extension, which, in turn, allows you to regulate the quality.Unfortunately, the reapplication of such an effect to the already saved image will not bring visible changes. Therefore, if the deterioration was not enough, you will have to use other tools that, however, can adversely affect the final file size.
Option 2: Resolution Change
Photos with great resolution, as correct, have the best quality than small pictures. In connection with this, a tangible drop in quality can be achieved by using the size of the size, including combining with JPEG parameters.
Please note that although the re-storage of a compressed snapshot in JPEG format and will not bring visible results, it does not apply to a modified file. Thus, if you additionally save with low quality, the desired effect will surely be achieved.
Option 3: Application effects
With a deterioration in the quality of photographs using Photoshop, you can simply use all sorts of tools and filters, the redundant effect of which will also affect the quality. We recommend paying particular attention to the effects of color correction, blur, increasing sharpness and noise.
Read also: color correction, increasing sharpness, lightening and adding blur in Adobe Photoshop
We will not consider each such tool, since the application directly depends on the goal set, but you can get acquainted with the procedure in separate instructions. In general, it is the excess amount of reboot, blur, graininess, red eyes and artifacts created in the process of saving a picture in JPEG format, probably in the way it will be reflected in quality.