Scanlines for Windows applies adjustable shaders and visual effects such as CRT, VHS, and scanline filters.

s4windows.itch.io/scanlines-for-windows
Scanlines for Windows homepage screenshot

About Scanlines for Windows

S4W - Scanlines for Windows by Sineptic Software is a downloadable tool for Windows that applies adjustable shaders and visual effects to games and other content. It includes CRT, scanline, VHS, bezel, and image correction effects that are rendered on the GPU from actual frame data.

The tool hooks directly into the rendering pipeline of PC games and emulators, or runs as a fullscreen overlay on top of any window. It works in exclusive fullscreen without borderless workarounds. Users can adjust thickness, gap, and orientation of scanlines, as well as curvature, bloom, phosphor persistence, grain, flicker, vignette, and other settings live while content runs, and save their own presets.

It suits people on Windows 10 and 11 who play PC games, neo-retro games, or use emulators, frontends, and arcade cabinets. It can also be used when watching movies in VLC media player.

Key features

  • Hooks into rendering pipeline of PC games and emulators
  • Runs as fullscreen overlay on any window
  • Works in exclusive fullscreen without borderless mode
  • Adjustable scanline thickness, gap and orientation
  • CRT, VHS, grain, flicker, vignette and curvature effects
  • Live parameter adjustment with saveable presets
Best for: People on Windows 10 or 11 who play PC games or retro games and want adjustable CRT-style filters.
Good for
  • Applies effects inside the game's render pass
  • No added frame latency stated
  • Supports exclusive fullscreen and overlay modes
  • Parameters adjustable live with saveable presets
Watch out for
  • Windows 10 and 11 only
  • Requires download and installation on Windows

Scanlines for Windows at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web, Windows
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Scanlines for Windows FAQ

What is Scanlines for Windows?
It is a downloadable Windows tool by Sineptic Software that applies adjustable CRT, scanline, VHS, and image correction effects to games and other content.
How does it work with games?
It hooks into the rendering pipeline of PC games and emulators, or runs as a fullscreen overlay on any window. It works in exclusive fullscreen.
What systems and apps can it be used with?
It lists compatibility with Windows 10 and Windows 11. Uses include PC games, emulators, frontends, arcade cabinets, and VLC media player.
Can effects be adjusted and saved?
Yes. Every parameter can be adjusted live while the game runs, and users can save their own presets.
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