1200×675 pixels is a practical preparation canvas for this placement, not a mandatory upload size. This image controls the visual preview when a Kit newsletter site is shared. Kit calls 16:9 the preferred ratio and says 1200×675 works well; sharing apps may still render their own crop.
Kit Social Share Image size: 1200×675 px, 16:9 (working canvas)
Kit calls 16:9 the preferred ratio and says 1200×675 works well; sharing apps may still render their own crop.
1200
width (px)
675
height (px)
16:9
aspect ratio
Need other dimensions? Browse all Kit sizes or use the free image resizer for any platform.
We check platform-specific dimensions against source documentation when available.
Start with the clearest version available. The 1200×675 canvas cannot recreate detail missing from a smaller source.
Upload the image, select Social Share Image, and choose Fit to keep the whole image or Fill to crop it edge to edge.
Kit calls 16:9 the preferred ratio and says 1200×675 works well; sharing apps may still render their own crop. Download the result, then preview it in Kit before publishing.
1200×675 pixels is a practical preparation canvas for this placement, not a mandatory upload size. The canvas has a 16:9 aspect ratio. Kit calls 16:9 the preferred ratio and says 1200×675 works well; sharing apps may still render their own crop.
Choose another available Kit canvas and review its source notes
Move between source-backed presets for publishing platforms without guessing which canvas belongs to each placement.
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