OptiScaler

A game mod that swaps between DLSS, FSR and XeSS upscalers and adds frame generation.

FreeOpen sourceWindowsLinux
Official websitegithub.com

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About OptiScaler

OptiScaler bridges upscaling and frame generation across GPU vendors. It accepts DLSS 2 and later, XeSS and FSR 2 and later as inputs and replaces the upscaler a game ships with, so a card without DLSS support can use FSR or XeSS in a DLSS-only game.

It can also enable FSR frame generation or XeFG in titles that have no frame generation of their own. It supports the Nukem mod for turning DLSS frame generation into FSR3. It is configured through an ini file, with setup scripts for Windows and Linux.

Strengths

  • Uses DLSS, XeSS or FSR inputs to drive a different upscaler
  • Adds frame generation to games without it
  • Works across GPU vendors
  • Active project with extensive documentation files

Limitations

  • Installed per game by replacing files, which takes some care
  • Results vary by title; known issues are tracked separately
  • Modifying games may conflict with anti-cheat in online titles

Details

Pricing
FreeFree to use; the source is published on GitHub.
License
Open source, license not stated
Developer
The OptiScaler contributors
Platforms
Windows, Linux
How it runs
Downloadable app
Account
Not required
Works offline
Yes
Best suited for
PC gamers whose GPU does not support the upscaler a game offers
Categories
Gaming tools
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to OptiScaler

Compare all

Software that can replace OptiScaler for an important use case, and what changes if you switch.

  • DLSS Swapper

    A Windows tool for downloading and swapping DLSS, FSR and XeSS versions in installed games.

    FreeProprietaryWindows

    DLSS Swapper changes the DLSS, FSR or XeSS version a game uses through a library of DLLs, but is Windows only, closed source and adds no frame generation.

  • Lossless Scaling

    Frame generation and upscaling tool for windowed and borderless PC games.

    PaidProprietaryWindows

    Lossless Scaling is a paid Windows tool that adds frame generation and upscaling to windowed or borderless games without replacing game files.

Similar software

Related functionality, not necessarily a direct replacement.

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