Fishstrap

Dive intoyour Roblox.

A custom launcher that reels in features Roblox forgot. Discord integration, custom shaders, and file mods — one clean installer.

FreeOpen source
Windows10 / 11
FastLightweight
Fishstrap
Fishstrap Settings

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
◆Fishstrap
Features

More than a launcher.

Everything you wish Roblox had — packaged into one clean installer.

FastFlags

Unlock hidden Roblox settings and tune performance, graphics, and latency exactly how you want.

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.

Reviews

What players are saying.

Real feedback from Roblox players using Fishstrap.

"Started using it for Discord RPC, stayed for the mods. Everything just works."
@xVoidSlayerRoblox player · five stars
"FastFlags unlocked my FPS. No more stutters, no more caps. Instant upgrade."
@sunny_playsRoblox player · five stars
"Custom cursors and death sounds — small touches that make it feel personal."
@KingRaiZenMM2 player · five stars
"Installed once, never going back. Roblox should just ship these features."
@Lxna_editsRoblox player · five stars
Install

Ready in under
a minute.

Download the installer, run it, done.

Grab the ZIP
  1. 1

    Grab the ZIP

    Download Fishstrap.zip.

  2. 2

    Open chrome://extensions

    Paste in the address bar.

  3. 3

    Developer mode ON

    Toggle in top-right corner.

  4. 4

    Drop the ZIP

    Drag it onto the page.

  5. 5

    Enable and play

    Pin Fishstrap, open it, press Save.

Ready?

Ready to dive
into Roblox?

Grab Fishstrap and make Roblox feel like yours again.

Download Fishstrap