OptiScaler

OptiScaler

Alternative to NVIDIA DLSS

OptiScaler bridges upscaling/frame gen across GPUs. Supports DLSS2+/XeSS/FSR2+ inputs, replaces native upscalers, enables FSR-FG/XeFG on non-FG titles. Supports Nukem mod for DLSSG-to-FSR3 FG.

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GPL-3.0
last commit 2026-08-31
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OptiScaler bridges upscaling/frame gen across GPUs. Supports DLSS2+/XeSS/FSR2+ inputs, replaces native upscalers, enables FSR-FG/XeFG on non-FG titles. Supports Nukem mod for DLSSG-to-FSR3 FG.

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Free alternative to NVIDIA DLSS

OptiScaler is a free, open-source alternative to NVIDIA DLSS. Here's why:

  • ⚡ Cross-GPU Frame Generation
  • ⬆️ Universal Upscaling support
  • 🎮 Enable FG on ANY title
  • 🚀 Boost graphics performance
  • 🔄 DLSSG to FSR3 conversion
See all open-source alternatives to NVIDIA DLSS
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