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Steam asset generator

Steam capsule and
library asset generator

Create store capsules, library artwork and icons at Steamworks sizes. Adjust each crop, then download a named ZIP with an asset guide.

1. Add your main artwork

Any aspect ratio. JPG, PNG, WebP, AVIF or still GIF.

Drop a file here · 40 MB per file · processed on your device. Emberfall is fictional sample artwork with a centered title. Its Library Hero uses a separate version without text or a logo.

2. Complete the set

Upload your logo with or without a background, plus real gameplay captures. Opaque logo backgrounds are removed automatically.

Solid backgrounds work best. Complex backgrounds use an on-device model downloaded on first use.

Logo: not added · Gameplay: 0/5 minimum

Capsules need a readable game name; the Library Hero needs artwork without text. Replace an individual source below when necessary. Resizing does not add missing detail or remove lettering.

Store

Header Capsule

920 × 430 · PNG · Required

Add your artwork

Primary store-page banner and recommendation artwork.

Keep the game title readable. Artwork and game branding only. Steamworks ↗

Small Capsule

462 × 174 · PNG · Required

Add your artwork

Compact artwork for store lists and search results.

Use a large, readable game title at this small size. Steamworks ↗

Main Capsule

1232 × 706 · PNG · Required

Add your artwork

Featured artwork for prominent store placements.

Game artwork, title and official subtitle only. Steamworks ↗

Vertical Capsule

748 × 896 · PNG · Required

Add your artwork

Portrait artwork for sales and store promotions.

Check the portrait crop and keep the title readable. Steamworks ↗

Library

Library Capsule

600 × 900 · PNG · Required

Add your artwork

Game cover in library collections and overview.

Must include the game logo. Steam creates the 300 × 450 version. Steamworks ↗

Library Header

920 × 430 · PNG · Required

Add your artwork

Wide artwork for library placements such as Recent Games.

Keep the game logo readable. Store header is the fallback. Steamworks ↗

Library Hero

3840 × 1240 · PNG · Required

Add your artwork

Wide background above the library details page.

Artwork only: no title or text. Replace the source if it has lettering. Check the official safe-area template. Steam creates 1920 × 620. Steamworks ↗

Library Logo

1280 × 720 · PNG · Required

Upload a logo with any background

Background removed automatically. Preview the transparent result here.

Transparent game logo placed over the library hero.

Upload a separate logo; opaque backgrounds are removed automatically. Preserves its ratio within 1280 × 720, touching at least one limit. Steam creates the half-size version. Steamworks ↗

Icons

Shortcut Icon

256 × 256 · PNG · Required

Add your artwork

Icon for desktop shortcuts.

Steam accepts PNG and creates the ICO file. Use a recognizable symbol. Steamworks ↗

Shortcut Icon · 512

512 × 512 · PNG · Alternative

Add your artwork

Larger accepted shortcut icon size.

Alternative to the 256 px icon; both sizes are accepted. Steamworks ↗

App Icon

184 × 184 · JPG · Required

Add your artwork

Small icon for library lists, chat and notifications.

JPG output. Transparent areas use the chosen background color. Steamworks ↗

ExtrasOptional or specific to bundles and events

Page Background

1438 × 810 · PNG · Optional

Add your artwork

Ambient background behind the store page.

Keep the artwork subtle so page content remains readable. Steamworks ↗

Bundle Header

707 × 232 · PNG · For bundles

Add your artwork

Banner at the top of a bundle detail page.

Only needed when publishing a bundle. Steamworks ↗

Event Cover

800 × 450 · PNG · For events

Add your artwork

Cover for event and announcement listings.

Required when creating an event, not for the base game release. Steamworks ↗

Event Header

1920 × 622 · PNG · Optional for events

Add your artwork

Wide header for an event detail page.

Review the event template for clipping. Steamworks ↗

Screenshots

Upload at least five real gameplay captures above. Each gets a separate 1920 × 1080 JPG; key art is never duplicated as fake screenshots.
Release checklist · 11 items missing or excluded
  • Header Capsule
  • Small Capsule
  • Main Capsule
  • Vertical Capsule
  • Library Capsule
  • Library Header
  • Library Hero
  • Library Logo
  • Shortcut Icon
  • App Icon
  • Gameplay screenshots (0/5 minimum)

0 assets ready to generate

11 required items missing or excluded. See the checklist above.

Specifications checked 2026-10-20. Official Steamworks requirements ↗ · Review content and templates before uploading. macOS releases also need a separate ICNS icon. Steam creates the documented half-size library images. Batch is not affiliated with Valve.

How to create Steam store and library images

Add your key art, select the capsules and library assets you need, and adjust each crop. Use a separate transparent logo and real gameplay screenshots to complete the set. Library Hero needs artwork without text or logos; review any cleanup before exporting.

Steam asset dimensions

Steam image export sizes available in Batch Image Kit
AssetWidth × height (px)Format
Header Capsule920 × 430png
Small Capsule462 × 174png
Main Capsule1232 × 706png
Vertical Capsule748 × 896png
Library Capsule600 × 900png
Library Header920 × 430png
Library Hero3840 × 1240png
Library Logo1280 × 720 (maximum bounds)png
Shortcut Icon256 × 256png
Shortcut Icon · 512512 × 512png
App Icon184 × 184jpg
Page Background1438 × 810png
Bundle Header707 × 232png
Event Cover800 × 450png
Event Header1920 × 622png

Does the generator create a complete Steam release?

It prepares raster image assets and a named ZIP with a guide. You still need to check content rules, supply actual gameplay captures and upload your files in Steamworks. Review the required-item checklist; exporting an incomplete set does not make it release-ready. macOS ICNS icons are outside this tool.

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