StorefrontA HANDY REFERENCE FOR INDIE DEVELOPERS
Steam capsule sizes,
without the guesswork.
Use this as a quick reference while preparing your artwork. Dimensions were checked against Valve's Steamworks documentation on September 12, 2026. Valve can change these requirements; the official documentation is authoritative.
| Asset | Size in pixels | Reminder |
|---|---|---|
| Header capsule | 920 × 430 | Game logo and artwork |
| Small capsule | 462 × 174 | Make the logo readable at small sizes |
| Main capsule | 1232 × 706 | Game logo and artwork |
| Vertical capsule | 748 × 896 | Portrait composition |
| Library capsule | 600 × 900 | Game logo and artwork |
| Library hero | 3840 × 1240 | PNG; artwork without the game logo |
| Library logo | 1280 wide and/or 720 tall | PNG with transparency; neither edge exceeds its bound |
| Library header | 920 × 430 | Game logo and artwork |
| Screenshot | At least 1920 × 1080 | 16:9 aspect ratio |
| Page background | 1438 × 810 | Optional; subtle artwork |
Sources: Steamworks graphical assets and library assets.
Three things dimensions cannot tell you
- Can you read the title at a glance? View the small version, step back, and check the logo against its background.
- Does the composition still work? Design separate assets for different aspect ratios. A landscape composition does not automatically work as a portrait capsule.
- Does the artwork follow Valve's current rules? Our checker does not inspect content, transparency or submission rules. Review the official requirements and the final Steamworks preview.
Try the free checker
Choose an asset type and add your image. The checker reports its dimensions and presents the original without cropping. It runs locally in your browser, with no account or upload.
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