Steam Capsule Sizes 2026: Every Asset Dimension

Published 2026-08-11

Steam reworked its store and library asset sizes in 2024, and the numbers scattered across Steamworks documentation don't always match what you find in older blog posts and forum threads. Here's the current, verified list — and a free tool that generates every size from one source image.

Try the Steam Capsule Resizer free →

The problem

A Steam store page needs a dozen-plus differently-sized image assets: header capsule, small capsule, main capsule, vertical capsule, library capsule, library header, library hero, library logo, page background, screenshots, and icons. Get one wrong and Steamworks either rejects the upload or silently crops it badly. Most "Steam capsule size" guides online are copy-pasted from each other and several predate the 2024 asset rework, so the numbers you find by Googling are often stale.

How it works

  1. Verify each dimension directly against Steamworks' current documentation (partner.steamgames.com/doc/store/assets) rather than trusting memory or older guides.
  2. Upload one source image to the Steam Capsule Resizer — it never leaves your browser.
  3. Drag the focal point per asset, choose fit or fill, and export PNG or JPG for each size individually.

Your image never leaves your browser. All resizing happens locally on canvas — nothing is uploaded anywhere.

When to use this tool

Use it when you're setting up a new Steam store page from scratch, when Valve reworks asset requirements again and your existing art no longer fits, or when you just need to double-check a single asset with the built-in Validator mode before uploading it to Steamworks.

Tips and reference

AssetDimensions (px)Notes
Header Capsule920 × 430Store page top, recommendations, Big Picture
Small Capsule462 × 174Auto-generates 184×69 and 120×45 — keep your logo legible at the smallest size
Main Capsule1232 × 706Homepage carousel, wishlist emails
Vertical Capsule748 × 896Sale pages and front page during sales
Library Capsule600 × 900Primary library presentation
Library Hero3840 × 1240Safe area is 860×380 centered — no text outside it
Library Logo1280 wide or 720 tallTransparent PNG, flexible aspect ratio
Screenshotsmin. 1920 × 1080Minimum 5 required, must show real gameplay
Community/App Icon184 × 184JPG

The full list — including page background, library header, and the two flagged achievement-icon sizes — is in the tool's reference table, dated so you know when it was last checked.


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