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Glossary

Output upscaler

The backend you select in the overlay to produce the final image.

Output upscaler feature illustration

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Definition: Output upscaler

The backend you select in the overlay to produce the final image.

The output can differ from the input where compatibility allows, which is the whole point of the translation layer.

Where it matters

Start in the guides for the workflow, or go straight to Download and test one game at a time with a backup in place.

Frequently asked questions

What does Output upscaler mean for OptiScaler?

The backend you select in the overlay to produce the final image. The output can differ from the input where compatibility allows, which is the whole point of the translation layer.

Facts that do not change

  • Version: OptiScaler 0.9.4 (reference build, July 2026)
  • APIs: DirectX 11, DirectX 12, Vulkan
  • Upscalers: DLSS, FSR and XeSS inputs/outputs where compatible
  • Frame generation: Experimental OptiFG (DirectX 12)
  • Overlay: Insert key
  • Install: ZIP extracted next to the main game executable
  • Platform: Windows; Linux via Proton/Wine varies
  • Site: Independent guide — not the official project site

Practical Checklist

  • Keep original files backed up before changing the game folder.
  • Test one setting or backend at a time.
  • Avoid anti-cheat protected online sessions.
  • Document the working configuration before updating.
Independent guide: This site is not affiliated with OptiScaler or any other third-party platforms.

Related Guides

Continue with the related guides in the sidebar for setup, compatibility, performance, or safety topics.