Resize a mobile Reddit community banner to the documented minimum of 1080 × 128 pixels. Preview the crop in the mobile appearance settings.
Reddit Mobile Community Banner size: At least 1080 × 128 pixels for mobile, according to Reddit Help. This preset uses that minimum canvas.
Keep key artwork and text away from the far edges, then preview the result in Reddit’s mobile Community appearance settings.
1080
width (px)
128
height (px)
~8.44:1
aspect ratio
Need other dimensions? Browse all Reddit sizes or use the free image resizer for any platform.
We check platform-specific dimensions against source documentation when available.

Start with artwork that is clear at the target dimensions. Keep the focal point away from the far edges, because Reddit can place interface elements over the mobile community banner or show it at a smaller rendered size. The preset controls pixel dimensions and crop only. Review Reddit’s current upload preview for file-format, file-size, and content requirements before saving the change.

Use Fit to keep the complete source inside the canvas or Fill to cover the frame edge to edge. Fill can remove content from two sides when the source ratio differs. A larger source can preserve more detail, but resizing cannot recreate detail absent from a small original.
Upload a JPG, PNG, WebP, or HEIC with enough detail for the target dimensions. The file is prepared in the browser resizer.
Choose Fit to preserve the full image or Fill to crop it edge to edge, then position the important artwork inside the frame.
Inspect the crop, download the JPG, and compare it with Reddit’s current mobile community banner preview before publishing.
At least 1080 × 128 pixels for mobile, according to Reddit Help. This preset uses that minimum canvas.
Choose another available Reddit canvas and review its source notes
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