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Ways to set your FPS cap ​

A lot of glitches require a specific framerate to work correctly. This page lists different ways to change your FPS cap.

TipsR6 + R15

Windows ​

Method 1: GlobalBasicSettings_13 ​

Type: Built-in

Steps:

  1. Close Roblox completely before proceeding.
  2. Press Win+R to open the Run dialog.
  3. Type %localappdata%\roblox and press Enter.
  4. Open GlobalBasicSettings_13.xml in a text editor.
  5. Find FramerateCap — it looks like <int name="FramerateCap">0</int>.
  6. Replace the number with your desired FPS cap and save.

WARNING

Roblox must be fully closed before editing this file, otherwise your changes will be overwritten on exit.

Method 2: 30-FPS trick ​

Type: Built-in

Steps:

  1. Exit fullscreen by pressing F11, or go to Roblox settings and set Fullscreen to Off.
  2. Right-click the center of the top bar. A context menu will appear.
  3. Leave the menu open, your game is now running at 30 FPS.

WARNING

Pressing most keys will dismiss the menu and cancel the effect. To rotate the camera, use shiftlock or the arrow keys.

Method 3: External programs ​

Type: External

You can use third-party programs to lock or change your FPS cap. See Useful Programs.

Linux ​

INFO

This section covers Sober, the native Roblox client for Linux. If you're using Waydroid, the process will differ.

Method 1: GlobalBasicSettings_13 ​

Type: Built-in

Steps:

  1. Close Roblox completely before proceeding.
  2. Navigate to ~/.var/app/org.vinegarhq.Sober/data/sober/appData/.
  3. Open GlobalBasicSettings_13.xml in a text editor.
  4. Find FramerateCap, it looks like <int name="FramerateCap">0</int>.
  5. Replace the number with your desired FPS cap and save.

Method 2: External programs ​

Type: External

You can use third-party programs to lock or change your FPS cap. See Useful Programs.

macOS ​

Method 1: GlobalBasicSettings_13 ​

Type: Built-in

Steps:

  1. Close Roblox completely before proceeding.
  2. Open Finder and press Cmd+Shift+G to open the Go to Folder dialog.
  3. Type ~/Library/Preferences/Roblox and press Enter.
  4. Open GlobalBasicSettings_13.xml in a text editor (TextEdit works, though a code editor is recommended).
  5. Find FramerateCap — it looks like <int name="FramerateCap">0</int>.
  6. Replace the number with your desired FPS cap and save.

WARNING

Roblox must be fully closed before editing this file, otherwise your changes will be overwritten on exit.

TIP

If the Roblox folder doesn't appear in ~/Library/Preferences/, try ~/Library/Application Support/Roblox/ instead, the location can vary by install.

Method 2: External programs ​

Type: External

FPS unlockers and limiters exist for macOS, though they are less common than their Windows counterparts. See Useful Programs for options that support macOS.

Tips ​

  • A value of 0 in GlobalBasicSettings_13.xml means uncapped.

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