OptiScaler Client is a free, open-source desktop application designed to simplify installing and managing the OptiScaler graphics modification for PC games. It automatically discovers installed games across popular launchers and custom directories. Users can install, update, configure, or remove OptiScaler through a graphical interface. The software supports selecting upscaling technologies such as FSR, DLSS, and XeSS, depending on game and hardware compatibility. It also provides frame generation controls and related compatibility components. Configuration profiles allow users to maintain different settings for individual games. Built with C# and Avalonia, OptiScaler Client supports Windows and Linux and operates independently of the official OptiScaler project.

Features

  • Automatic game discovery across Steam, Epic Games, GOG, and other launchers
  • One-click OptiScaler installation, updating, removal, and bulk game configuration
  • FSR, DLSS, and XeSS upscaling selection with customizable quality presets
  • Frame generation configuration with compatible graphics enhancement components
  • Reusable per-game configuration profiles with advanced settings and compatibility recommendations
  • Automatic original file backups and restoration during modification removal

Project Samples

Project Activity

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Categories

Game Mods

License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

Linux, Windows

Programming Language

C#

Related Categories

C# Game Mods

Registered

2026-11-04