CapsuleKit: free Steam capsule, VHS filter & store art tools

CapsuleKit is a free set of browser tools for indie Steam pages, store art, and analog / horror visuals. No install — open a tool, drop an image, export. Hub: capsulekit.pages.dev. Updated Oct 28, 2026. Making the source pixel art with an agent? Try Aseprite MCP for beginners.

Part of the CRT Forge / Assetsmith / CapsuleKit brand family. Soft sell only: these tools are free; SFX packs are separate on itch.

All CapsuleKit tools

• Steam Capsule Resizer
  Resize and check Steam capsule art against Valve's size rules.
• Store Art Exporter
  Export store art sizes for Steam / itch / consoles from one source.
• VHS Filter
  Apply analog VHS look in the browser — tracking, chroma, grain.
• Horror Title Card
  Quick analog-horror title cards for trailers and itch pages.
• Pixel Upscaler
  Upscale pixel art without muddy bilinear blur.
• Palette From Image
  Extract a limited palette from a screenshot or mood board.
• Steam Screenshot Prep
  Prep screenshots for Steam store and capsule layouts.
• Steam Store Copy
  Draft short / long Steam store descriptions with a checklist.
• Steam Trailer Preflight
  Preflight checklist before you upload a Steam trailer.
• LLM Cost Calculator
  Rough token / dollar estimate for agent game-dev workflows.

Steam capsule size & store art

Valve has strict capsule and screenshot sizes. Use Steam Capsule Resizer and Store Art Exporter before you upload. Pair with Steam Store Copy and Trailer Preflight when you are close to launch.

VHS filter online

Need an analog-horror still or trailer frame? The VHS Filter and Horror Title Card tools run in the browser. For in-engine looks, see our Godot VHS shaders guide.

FAQ

Is CapsuleKit free?

Yes. The browser tools at capsulekit.pages.dev are free to use. Optional paid Assetsmith SFX packs are separate products on itch.

Do you upload my images?

Tools run in the browser. Check each tool's page for details; we do not ask you to create an account to use the listed tools.