FPS counter roblox studio script

-- you will need a ScreenGui and a TextLabel in StarterGui for this script to work
-- use a LocalScript
-- put the LocalScript inside the TextLabel

local RunService = game:GetService("RunService")
local player = game.Players.LocalPlayer

local ScreenGui = player.PlayerGui:WaitForChild("ScreenGui")
local TextLabel = ScreenGui:WaitForChild("TextLabel")

local lastTime = tick()
local frameCount = 0

RunService.RenderStepped:Connect(function()
    frameCount = frameCount + 1
    local currentTime = tick()
    if currentTime - lastTime >= 1 then
        TextLabel.Text = "FPS: " .. frameCount
        frameCount = 0
        lastTime = currentTime
    end
end)