Detail this asset from Unity Asset Store: Original Link
This is a paid asset, but now you can download Mobile Optimized Post Processing (LWRP URP support) Free.
Mobile Optimized Post Processing (LWRP URP support) v1.2.1
Mobile Optimized Post Processing (LWRP URP support) v1.1
Fast Optimized Post Processing for low-end mobile devices and VR applications
+ Fast & mobile friendly
+ LWRP/URP support (unity 2019.2.1f1+)
+ Default Render Pipeline support
Effects
Bloom – high quality optimized bloom effect implemented using one pass blur method, 250%* faster than post-processing stack
Whole Screen Blur – optimized one pass blur method to make the whole screen blurred (except screen space UI), useful in the main menu, pause menu etc. Takes 0.3ms** to render on my device*.
Lookup table (LUT) – change colours in a scene with one texture (uses 2D texture), this package includes 6 sample textures (neutral lut texture included)
Vignette – the most basic effect, takes a negligible amount of rendering time to apply it to your screen
Chromatic Abberation – basic and fast implementation
Tone Mapping – modify exposure and gamma of your scene
NOT COMPATIBLE WITH HDRP
NOT COMPATIBLE WITH SINGLE-PASS VR
Compatible with Multi-Pass VR
Compatible with Google VR
*tested on Xiaomi Redmi Note 4 (Snapdragon 625 3GB RAM)
**with proper settings