Jim This is a FullScreen Sharpen ImageEffect base on the theory of HighPassFilter.
Using this tool to sharpen rendering by a simply way.
Add the HighPassFilterSharpen script to camera,the rendered image will have a more sharpen look, set a suitable sharpen level according to you.
PC/Consoles/Mobiles(gles2,gles3,metal)/VR etc. all platforms supported.
V4.0 : Compatible with URP
V3.0 : Compatible with HDRP
V2.0 : Compatible with LWRP and Post-processing V2 Stack