Steam image sizes: every store and library asset (2026)
Steam replaced several older capsule dimensions in 2024. This reference uses the current sizes from Steamworks, separates store assets from library assets, and includes the rules that can affect featuring eligibility.
Last verified against Steamworks on July 21, 2026
Current Steam store asset sizes
These are the dimensions Steam currently asks for when you build a store page. The four capsule formats are required and each appears in a different discovery surface, so one stretched master is not a substitute for separate crops.
| Asset | Dimensions | Status / use |
|---|---|---|
| Header Capsule | 920×430px | Required |
| Small Capsule | 462×174px | Required |
| Main Capsule | 1232×706px | Required |
| Vertical Capsule | 748×896px | Required |
| Screenshots | 1920×1080px minimum | Required, 16:9 |
| Page Background | 1438×810px | Optional |
Current Steam library asset sizes
Library artwork has a different job from store discovery artwork. The hero and logo are layered independently on the game details page, while the capsule and header are used throughout the client.
| Asset | Dimensions | File note |
|---|---|---|
| Library Capsule | 600×900px | A 300×450 PNG is generated automatically |
| Library Header | 920×430px | Branding and legible game logo |
| Library Hero | 3840×1240px | PNG artwork only |
| Library Logo | 1280px wide and/or 720px tall | Transparent PNG |
Player-side sizes: avatar, grid art and showcases
Everything above is uploaded through Steamworks by a developer. These are the sizes a player deals with on their own profile and library, which is where most "steam image size" questions actually come from. The vocabulary differs from Valve's: grid art, cover art and poster all mean the same 600×900 portrait tile that Steamworks calls the Library Capsule, and custom artwork set through the Steam client reuses the developer library slots rather than having sizes of its own.
- The showcase widths are the profile layout's own values, taken from Steam's profile stylesheet — Valve publishes no spec for them, and the 630/506/100 figures repeated across guides are roughly 2px under the real ones.
- Steam does not downscale artwork to the showcase width. Sampling 17 real profile artworks found 16 wider than 506px, up to 3000px, all stored at full size and scaled on delivery — so uploading larger than the container is normal and looks sharper on high-density screens.
- Artwork height is free (minimum 100px), and tall vertical pieces are common; one sample measured 2296×4080.
- The constraint that actually bites is file size: 5MB per artwork upload. None of the sampled files exceeded it and one sat at exactly 5.00MB.
- Showcases require Steam level 10 before they can be added to a profile.
| Asset | Size | Note |
|---|---|---|
| Avatar (pfp) | 184×184px | Steam derives the 64×64 and 32×32 versions from it |
| Grid art / cover art / poster | 600×900px | Same slot as the Library Capsule |
| Custom wide header | 920×430px | Same slot as the Library Header |
| Custom hero | 3840×1240px | Steam auto-generates a 1920×620 copy |
| Artwork Showcase (featured) | 632px wide, any height | Container width, not an upload limit |
| Artwork Showcase (two-column) | 508px + 102px side | Container widths, not upload limits |
Artwork rules worth checking before upload
Correct dimensions are necessary, but the content rules matter too. Steam says capsules must contain a readable product logo or name, use appropriate artwork, and normally avoid review scores, awards, discounts, or unrelated marketing copy.
- Store capsules should focus on the game logo and artwork. Time-limited update messaging belongs in a Temporary Artwork Override.
- The Library Capsule may contain the game logo and an appropriate subtitle, but no other text.
- The Library Hero should contain artwork only; keep all words in the separate transparent Library Logo.
- Check every crop at its final size. A logo that works at 1232px may become unreadable in the Small Capsule.
A reliable export workflow
Start from one high-resolution key-art file, then make a deliberate crop for each slot. Keep the focal character, product silhouette, and logo inside the useful center area; do not repeatedly resize a previously compressed JPEG.
- Export the largest assets first, then return to the original master for each smaller crop.
- Use PNG for transparent logos and art with hard edges; use a high-quality flattened image for photographic backgrounds.
- Name files by slot and dimensions, such as steam-main-capsule-1232x706.png.
- Preview the completed set in Steamworks and the Steam client before publishing.
Crop each Steam asset from the original artwork
FrameDrop includes the current store and library dimensions above. Pick a slot, reposition the crop, and export locally in your browser.
Open Image Resizer →