FastFlags
Unlock hidden Roblox settings and tune performance, graphics, and latency exactly how you want.
Fishstrap
Dive intoyour Roblox.
A custom launcher that reels in features Roblox forgot. Discord integration, custom shaders, and file mods — one clean installer.
Integrations
Configure additional functionality to run alongside Roblox.
Activity Tracking
Enable activity tracking
Allow Fishstrap to detect which Roblox game you are playing. Some features will require this.
Request server location
See where your game server is located while you play, provided by ipinfo.io.
Do not exit to app
Roblox fully closes on exit instead of returning to the app. May cause issues.
Discord Rich Presence
To use this feature, enable activity tracking and make sure the Discord desktop app is running.
Show game activity
Show the game you're playing on your Discord profile.
Discord status display
Select the type of status display you want.
Allow activity joining
Let friends join through Discord.
Show Roblox account
Display the logged-in account.
Window Manipulation
Enable window manipulation
Allows Fishstrap to access Roblox's window handle.
Enable Borderless Fullscreen for Vulkan
Lets you use a fake version of borderless fullscreen while using Vulkan.
Bootstrapper
Configure Fishstrap's actions when launching Roblox.
Confirm prompt when launching another Roblox window
Prevent closing the running game due to an accidental launch of another window.
Allow language use not supported by Roblox
Only works with games launched from the Roblox website.
Background updates
Update Roblox in the background instead of waiting.
Cleaner
Fishstrap will remove old data to save on space.
When should the files get deleted
Files older than the set amount will be deleted.
Cache
Old downloads will be deleted.
Studio Cache
Old Studio downloads will be deleted.
Logs
Old log files will be deleted.
Fishstrap logs
Fishstrap logs will be deleted.
Experimental
A collection of experimental settings. Be careful while using them.
Allow Fishstrap to access your Roblox account
Provide access to Roblox APIs using your authentication cookie.
Enable BetterMatchmaking
Let Fishstrap decide which servers you join.
Randomize BetterMatchmaking server
Randomizes the chosen server from the list of optimal servers.
Deployment
Change deployment and installation settings.
Fishstrap
Automatically update Fishstrap
Check for and update itself when Roblox launches.
Roblox
Force Roblox reinstallation
Roblox will be reinstalled on the next launch.
Static directory
Switch to BinaryType based install directories.
Roblox domain
Set what domain Roblox and Fishstrap will use.
Channel
Choose deployment channel.
Automatic channel change action
Roblox or Fishstrap may try to change your preferred channel.
Mods
Apply file modifications for the Roblox client.
Presets
Mouse Cursor
Choose between the two classic Roblox cursor styles.
Use the old avatar editor background
Restores the old avatar editor background used before 2020.
Emulate old character sounds
Restores old character sounds used before 2014.
Preferred emote type
Choose which Roblox emote style to use.
Misc
Use a custom font
Font size can be changed in the FastFlags tab.
FastFlags
Control specific Roblox engine settings and features.
Warning Roblox only applies whitelisted FFlags. Learn more
Allow Fishstrap to manage Fast Flags
Enable all settings on this page.
Reset all to default
Restore all engine settings to their default values.
Presets
Geometry
Mesh detail
Control how detailed meshes appear in-game.
Rendering & Graphics
Anti-Aliasing Quality (MSAA)
Choose the level of multisample anti-aliasing.
Preserve rendering quality
Roblox reduces render quality based on Windows display scaling.
FRM Quality Override
Choose the FRM quality that Roblox should use.
Rendering mode
Choose how Roblox should render graphics.
Global Settings
Set in-game settings from the Fishstrap menu.
Set as Read-Only
Prevent Roblox from overriding global settings.
Presets
Rendering & Graphics
Graphics Quality
Set the graphics quality of your game.
Framerate Limit
Unlock the framerate limit for Roblox.
User Interface & Appearance
Transparency
Custom transparency for UI elements.
Reduced Motion
Removes the animation on the escape menu.
Font Size
Choose how large the font should appear.
Other
Mouse Sensitivity
Change how fast the camera will move in-game.
VR Enabled
Enable VR support for Roblox.
Appearance
Configure how Fishstrap should look.
Global theme
Choose the theme used across the Fishstrap menu.
Language
Requires restart to apply changes.
Roblox
Customize how the Roblox window looks like.
Unavailable This feature requires window manipulation
Roblox title
Choose what title the Roblox window should have.
Bootstrapper
Personalize the bootstrapper to your liking.
Style
Choose how the bootstrapper should look.
Title
Text displayed as the bootstrapper title.
Shortcuts
Configure how you launch Fishstrap.
Extract Roblox icons to folder
Allows you to use a range of Roblox icons from Fishstrap.
Common
Desktop shortcut
Start Menu shortcut
Features
Launch Roblox
Fishstrap Settings
About Fishstrap
Fishstrap — a custom launcher for Roblox.
Version
1.0.0 (stable)
Build
Windows x64
Runtime
.NET 6 Desktop
License
MIT
More than a launcher.
Everything you wish Roblox had — packaged into one clean installer.
Discord Rich Presence
Show what you're playing in real time. Friends see the game, join with one click.
Server Browser
Join any server directly — regions, player counts, ping. No more random matchmaking.
Custom Mods
Replace cursors, sounds, textures. Import community-curated mods in seconds.
Auto Updates
Fishstrap keeps itself and Roblox up to date automatically. Set it and forget it.
Multi Instance
Run multiple Roblox clients at once with a single toggle. Farm, trade, play — all at the same time.
What players are saying.
Real feedback from Roblox players using Fishstrap.
"Started using it for Discord RPC, stayed for the mods. Everything just works."
"FastFlags unlocked my FPS. No more stutters, no more caps. Instant upgrade."
"Custom cursors and death sounds — small touches that make it feel personal."
"Installed once, never going back. Roblox should just ship these features."
Ready in under
a minute.
Download the installer, run it, done.
Grab the ZIP- 1
Grab the ZIP
Download
Fishstrap.zip. - 2
Open chrome://extensions
Paste in the address bar.
- 3
Developer mode ON
Toggle in top-right corner.
- 4
Drop the ZIP
Drag it onto the page.
- 5
Enable and play
Pin Fishstrap, open it, press Save.
Ready?
Ready to dive
Ready to dive
into Roblox?
Grab Fishstrap and make Roblox feel like yours again.
Download Fishstrap