Roblox Prettifier - My settings

local fov = true
local blur = true
local currentDensity = 0.23
local sunrays = 0.3 -- Dont recommend going over 0.5

--[FOV Changes]

local UIS = game:GetService("UserInputService")

local function tw(target,changes,style,dir,tim)
game:GetService('TweenService'):Create(target,TweenInfo.new(tim,Enum.EasingStyle[style],Enum.EasingDirection[dir]),changes):Play()
end

UIS.InputBegan:Connect(function(inp)
   if inp.KeyCode == Enum.KeyCode.W and fov then
       tw(game.Workspace.CurrentCamera, {FieldOfView = 80}, "Quint", "InOut", 1)
   elseif inp.KeyCode == Enum.KeyCode.S and fov then
       tw(game.Workspace.CurrentCamera, {FieldOfView = 80}, "Quint", "InOut", 1)
   end
end)

UIS.InputEnded:Connect(function(inp)
   if inp.KeyCode == Enum.KeyCode.W and fov then
       tw(game.Workspace.CurrentCamera, {FieldOfView = 80}, "Quint", "InOut", 1)
   elseif inp.KeyCode == Enum.KeyCode.S and fov then
       tw(game.Workspace.CurrentCamera, {FieldOfView = 80}, "Quint", "InOut", 1)
   end
end)

--[Lighting]

local bloom = Instance.new("BloomEffect", game.Lighting)
bloom.Enabled = true
bloom.Intensity = 1
bloom.Size = 24
bloom.Threshold = 2
local depthField = Instance.new("DepthOfFieldEffect", game.Lighting)
depthField.FarIntensity = 0.1
depthField.Enabled = true
depthField.FocusDistance = 0.05
depthField.InFocusRadius = 50
depthField.NearIntensity = 2
local sun = Instance.new("SunRaysEffect", game.Lighting)
sun.Intensity = 0.2
sun.Spread = 1
sun.Enabled = true

if blur then
   local blurr = Instance.new("BlurEffect", game.Lighting)
   blurr.Size = 1.5
end

--[Changing atmosphere]

for i,v in next, game.Lighting:GetChildren() do
   if v:IsA("Atmosphere") or v:IsA("Sky") then
       v:Destroy()
   end
end

local atmo = Instance.new("Atmosphere", game.Lighting)
atmo.Density = currentDensity
atmo.Offset = 0.3
atmo.Color = Color3.fromRGB(200, 15, 20)
atmo.Decay = Color3.fromRGB(106, 11, 12)

local sky = Instance.new("Sky", game.Lighting)
sky.MoonTextureId = "rbxassetid://6444320592"
sky.SkyboxBk = "rbxassetid://6444884337"
sky.SkyboxDn = "rbxassetid://6444884785"
sky.SkyboxFt = "rbxassetid://6444884337"
sky.SkyboxLf = "rbxassetid://6444884337"
sky.SkyboxRt = "rbxassetid://6444884337"
sky.SkyboxUp = "rbxassetid://6412503613"
sky.StarCount = 3000
sky.SunAngularSize = 11
sky.SunTextureId = "rbxassetid://6196665106"

--[Setting the lighting technology]

game.Lighting.GlobalShadows = true
game.Lighting.OutdoorAmbient = Color3.fromRGB(99, 99, 99)
game.Lighting.ShadowSoftness = 0.3
game.Lighting.Brightness = 1.5

Note: These are only my "settings" for the script
Credits goto scde for the script itself

Synapse X only since some games can detect it if you arent using Synapse.