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TweakFPS for FSX
TweakFPS for FSX

Tweak your scenery settings to maximize FPS and find that "sweet spot" or compromise between speed and quality.


Quickly Toggle Between 8 Different 'Scenery Modes'

With TweakFPS you avoid the need for moving sliders and settings back and forth for different types of flying, IFR, VFR or for special scenery such as MegaScenery. You also cut out the need to continually edit the FSX.CFG manually, a tedious task at the best of times. After applying the mode TweakFPS will launch FSX with your preferred flight (assigned via the 'Settings' page).

Set Up Custom Modes

TweakFPS gives you the ability to tweak the default predefined modes. If you do not fancy the 'hard-coded' program defaults then you can customize the mode to your liking. TweakFPS will save your customized mode and will load that when you press the 'Apply' button.

The Scenery Mode names and descriptions can also be changed (except the protected "Original FSX.CFG" Mode) by right-clicking on them. If for any reason the custom config did not work out or you want to revert to the program default you can do so by clicking the 'Restore' button.

Apply Advanced FSX.CFG Parameters

TweakFPS allows you to manage an unlimited number of custom or "advanced" FSX.CFG parameters. This may include some of the undocumented parameters that are recommended by the MS Aces Team or by other knowledgeable folks in FS forums and blogs. It is so flexible you can in fact use it for any parameter, no matter what part of the FSX.CFG file it is located in! You have the option to include/exclude them when you press the 'Apply' button.

Download the PCPilot Review! Awarded 5 Stars (Classic Flight Simulation Product) by PCPilot Magazine

PCPilot reviewed TweakFPS in issue No. 30, pages 26-27. If you have a fast connection click on the icon to the right to load the PDF file into your browser, otherwise right-click it and select "Save Taget As..." to download it.


Free 30-day Demo of TweakFPS for FSX

Download Free Demo

TweakFPS for FSX Screenshots: (Version 2.0 shown)


Features at a Glance

  • Quickly and easily set up one of the 8 Scenery Modes
  • Enable the scenery mode that best suits the flying you do (eg. IFR, VFR)
  • Enable the optimum settings for MegaScenery USA
  • The Apply button simultaneously tweaks around 40 different FSX.CFG variables
  • Tweak any of the modes with a custom config
  • Ability to include/exclude an unlimted number of advanced FSX.CFG parameters
  • Fully editable tooltip pop-up hints for adding you own personal notes

Each Variable has a Tooltip with Range Information

Each key in the FSX.CFG file has a format and range that is required by FSX. When setting up a custom mode double-clicking on the variable brings up the small "Edit Value" window. Hovering your mouse over the input box will give you a tooltip with information on the range of the variable (eg. 'GADensity Range = 1-100').

FSX.CFG Viewer/Manual Editor

For those who like the power of editing the FSX.CFG file directly TweakFPS provides a simple integrated text editor that you can use to make any other changes.

Attractive "Integrated" FSX Look

Generally speaking utilities are fairly plain-looking. We have also put much thought and effort into making TweakFPS pleasing to the eye.

Minimum System Requirements:

  • Simulator: Flight Simulator X
  • OS: Microsoft Windows Vista or later
  • Screen: 1024x768 minimum resolution

Price: US$17.95
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