Tested these effects in Unity2019.4.8 with URP and HDRP. They are very performant.
Used them in my First-Person Zombie Survival game, 1HP and gave credits. hamcorgames.itch.io/1hp
Outline shader is on by default and Pixelate effects kicks in when player dies.
itch.io is an open marketplace for independent game creators. It's completely free to upload your content. Read more about what we're trying to accomplish and the features we provide.