Detail this asset from Unity Asset Store: Original Link
This is a paid asset, but we’ll share Mobile Optimized Post Processing (LWRP URP support) Free for you. Enjoy!!!
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
 – Free Download){kind=link}