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Messaging app link preview

WhatsApp, iMessage, Slack and Discord build link previews from the page you link to. None of them publishes an image size, so we recommend the universal image: 1.91:1 at 1200 × 630 pixels.

  • Safe zone edge
1.91:1
1200 × 630 pixels
Recommended
1200 × 630 pixels
Minimum
Not published
Safe zone
About 1080 × 510 pixels
Shown as
Each app builds its own card
File size
Not published

Slack says it reads Open Graph and X Card tags. We expect WhatsApp, iMessage and Discord to use the same tags.

We have not measured how these apps crop the image, so we use the universal image and its 60 pixel margin. If a client needs exact crops for one of them, we measure it.

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