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Short answer: Open your link, go to Custom share preview, set Image (recommended 1200×630), Title, and Description, then Save. Social networks pull this Open Graph data for the preview card.

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Set the social title, description, and image

  1. Open Links → select your link → Edit.
  2. In the left panel, open the Custom Share Preview.
  3. Upload an Image (recommended 1200×630 px), add a concise Title, and a clear Description.
  4. Click Save to apply the preview to this ShortPen link across platforms (Facebook, LinkedIn, X/Twitter, Slack, etc.). This overrides the destination page’s own metadata.
Why it matters: Consistent previews enhance branding and can increase click-through rates, especially when the image and copy align with the campaign.

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What each field controls (and best practices)

  • Image The card thumbnail. Use brand-safe imagery with minimal text. Prefer 1200×630, JPG/PNG, under 5 MB. Keep faces/logos away from edges to avoid crops.
  • Title 40–60 characters works well across platforms. Front-load the key benefit.
  • Description 80–140 characters is a good target. Write a single, action-oriented sentence.

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FAQ

Yes. The Custom share preview uses Open Graph/Twitter card standards consumed by major platforms.
Social networks cache cards. Use each platform’s rescrape/validator tool after editing the Custom share preview to force refresh. Then retry sharing.
Use a resolution of 1200×630 px to ensure optimal display on most networks.
The card references your link. If you change the domain/slug, shares pointing to the old URL won’t update. Plan changes before publishing widely.
Learn more: How to edit an existing link in ShortPen