Fishstrap is a free Roblox FPS Unlocker and performance booster for Windows. Fishstrap removes the 60 FPS cap in Roblox, applies fast flags for better performance, and supports visual shaders and custom fonts. Fishstrap roblox github is the official source. Fishstrap download is completely free - no registration, no premium tier. Fishstrap launcher replaces the default Roblox launcher for automatic FPS unlocking on every launch. Fishstrap multi instance support lets you run multiple Roblox clients simultaneously. Roblox fishstrap fast flags optimize rendering, network, and physics. Roblox fonts fishstrap adds custom font support. Is fishtrap safe roblox? Yes - it's open source and community trusted.
- FPS Unlocker - removes 60 FPS cap, unlocks 144/240/360+ FPS in Roblox
- Fast Flags - roblox fishtrap fast flags for rendering, physics, and network optimization
- Multi Instance - run multiple Roblox clients at the same time
- Custom Fonts - roblox fonts fishstrap support for custom text rendering
- Visual Shaders - roblox shaders fishstrap with built-in shader presets
- Fishstrap Launcher - replaces default Roblox launcher for auto-FPS-unlock on every launch
- Fishstrap Mac - macOS support via Wine/CrossOver
- Fishstrap Discord - active community support and updates
- Lightweight - 2MB executable, minimal resource usage
- Auto-Update - automatic updates when new Roblox version drops
- Download Fishstrap using the button above.
- Extract to any folder.
- Run
Fishstrap.exeas Administrator. - Set target FPS - choose 144, 240, 360, or Unlimited.
- Enable fast flags - select performance preset (Balanced, Performance, Quality).
- Launch Roblox - Fishstrap automatically unlocks FPS.
Note: Fishstrap is NOT an executor. It does not run scripts or modify gameplay. It only unlocks FPS, applies fast flags, and enhances visuals.
Is fishtrap safe roblox? Yes. Fishstrap is open source on GitHub. It does not inject code into Roblox - it patches the FPS cap and applies ClientSettings fast flags. Is fishtrap safe roblox? The community has used it safely for years.
Fishstrap roblox github - where to download? The official fishstrap roblox github is this repository. Always download from here to avoid modified builds.
Roblox fishtrap fast flags - what do they do? Fast flags are Roblox internal settings stored in ClientAppSettings.json. They control rendering quality, physics timestep, network optimization, and more. Fishstrap applies optimized presets automatically.
Fishstrap multi instance - how to use? Enable multi instance in settings. Fishstrap removes the single-instance lock, allowing you to run multiple Roblox clients simultaneously. Each client gets its own FPS unlock.
Fishstrap roblox not working? Make sure you run as Administrator. If Roblox updated, wait for Fishstrap update. Check fishstrap discord for real-time status. Delete the ClientSettings folder and re-apply fast flags.
Fishstrap mac - does it work on macOS? Yes. Fishstrap mac works via Wine or CrossOver wrapper. FPS unlock and fast flags work on macOS. Shaders may not be compatible.
Fishstrap launcher - how does it work? Fishstrap launcher replaces the default Roblox launcher. When you click Play on roblox.com, Fishstrap intercepts the launch and applies FPS unlock before Roblox starts.
- Windows 10 / 11 (64-bit)
- macOS via Wine/CrossOver
- Roblox installed
- Monitor with 144Hz+ refresh rate (for FPS unlock benefit)
MIT License - Copyright (C) 2026 fishstraprblx
