Discover the top universal FPS boost scripts for Roblox in 2026, designed to increase frame rates, reduce lag, disable particles, lower graphics quality, and optimize performance across all games. These free keyless Lua scripts work with popular executors for smoother gameplay on low-end PCs and mobile devices.
Roblox FPS Boost Overview: FPS boost scripts tweak in-game rendering settings like shadows, textures, effects, and lighting to deliver higher frames per second, perfect for intense experiences or older hardware without external tools.
Scripts Information
| Script Name | Key Required | Updated Date | Compatibility |
|---|---|---|---|
| GRIPPER FPS Booster | No | January 2026 | PC & Mobile |
| Dysh Quick Optimizer | No | December 2025 | PC & Mobile |
| Universal Low Graphics | No | February 2026 | PC & Mobile |
| Performance Tweak Pro | No | January 2026 | PC & Mobile |
| Simple FPS Max | No | February 2026 | PC & Mobile |
Detailed of Each FPS Boost Script
1. Ultimate Optimizer – GRIPPER FPS Booster

GRIPPER FPS Booster
Compatible with Krnl, Fluxus, Delta, and most executors
Features
• Disable shadows and high-quality lighting
• Reduce texture quality and mesh details
• Remove particles, trails, and effects
• Lower terrain and environment rendering
• Optimize bulk execution and interpolation
• Custom settings toggle for balanced boost
Pros & Cons
✓ Significant FPS increase on low-end devices
✓ Fully customizable options
✓ Instant activation
✗ Visual quality reduction
✗ May need re-execution after rejoins
Developer: Community Verified
Raw Link & Code Snippet:
loadstring(game:HttpGet("https://raw.githubusercontent.com/GRIPPERTV/FPS-Booster/main/Source.lua"))()Read more: Direct
2. Quick Boost – Dysh Quick Optimizer

Dysh Quick Optimizer
Raw Link & Code Snippet:
loadstring(game:HttpGet("https://raw.githubusercontent.com/Dyshware-la/FPS-Quick/main/Source.lua"))()Read more: Direct
3. Low Quality Pro – Universal Low Graphics

Universal Low Graphics
Raw Link & Code Snippet:
loadstring(game:HttpGet("https://raw.githubusercontent.com/SapienNotSmart/roblox-insane-fps-booster/main/fps%20booster%20script"))()Read more: Direct
4. Performance Master – Performance Tweak Pro

Performance Tweak Pro
Raw Link & Code Snippet:
loadstring(game:HttpGet("https://raw.githubusercontent.com/milkteaaa/FPS-Booster/main/Source.lua"))()Read more: Direct
5. Simple Boost – Simple FPS Max

Simple FPS Max
Raw Link & Code Snippet:
loadstring(game:HttpGet("https://raw.githubusercontent.com/JoeRoblox/FpsBoost/main/Source.lua"))()Read more: Direct
Enjoy smoother Roblox gameplay – always test safely
⚡ Boost your FPS and play without lag!





