Steam Library Hero Resizer3840 × 1240 px
Resize any image to exactly 3840×1240px for Steam. Free, instant, and nothing leaves your browser.
- Dimensions
- 3840 × 1240 px
- Aspect ratio
- 3.1:1
- Max file size
- No fixed limit
- Best format
- JPG
How to resize an image for Steam
Add your image
Click Choose image or drop a file into the box above. JPG, PNG and WebP all work.
Check the crop
The preset is already set to 3840×1240px. Drag inside the preview if you want to reposition the crop.
Download
Pick a format and click Download. You get a Steam Library Hero at exactly 3840×1240px.
Steam Library Hero size at a glance
Steam library heroes at 3840×1240 are the large banners shown when hovering over or selecting a game in your library. This is the most prominent game art in the client.
Why 3840×1240 matters
Library heroes are the biggest visual representation of your game in the Steam client. They set the mood and reinforce the game's identity every time a player opens Steam.
What happens when the size is wrong
Missing library heroes show a generic placeholder. Wrong dimensions create awkward scaling or cropping in the library view.
Best practices
- Use key art that represents the game's tone and visual identity.
- Keep important elements away from edges — the display area varies by screen size.
- The game title is usually overlaid by Steam, so don't include it in the image.
Frequently asked questions
What size should a Steam Library Hero be?
The recommended size for a Steam Library Hero is 3840×1240 pixels (3.1:1 aspect ratio).
How do I resize an image for Steam Library Hero?
Upload your image to the resizer above. It will automatically crop and resize to 3840×1240px. Adjust the crop position if needed, then download the result. Your image never leaves your device.
Which format should I use for a Steam Library Hero?
Steam accepts JPG, PNG. We recommend JPG — The large banner displayed in the Steam library when a game is selected. Very wide format — 3840×1240.
Is my image uploaded anywhere?
No. TinyResize runs entirely in your browser. The file is read from your device, resized on your device, and downloaded from your device. Nothing is sent to a server.