Paste a link to see its Open Graph and Twitter Card preview across six platforms, and catch problems before you share it.
Every link shared on X, LinkedIn, Facebook, Slack, iMessage, or Discord gets a preview card built from a handful of tags in the page's own <head> — mainly Open Graph (og:title, og:description, og:image) and, on X, a matching set of Twitter Card tags. This tool fetches those tags directly from the URL you paste in, the same way each of those platforms does, and shows you what they actually contain.
It flags the same things a platform's own crawler would trip over: a missing og:title or og:description, no og:image at all, an image URL that's relative or otherwise unsafe to load, and a title or description long enough that it's likely to get cut off before a reader sees the whole thing.
The six previews below are generic approximations, not pixel-exact renders of what each platform will actually show — real card layouts change over time, vary by device, and sometimes differ for the exact same link depending on where it's shared. Use them to catch a genuinely broken tag (a missing image, an unreadable title) rather than to fine-tune spacing down to the pixel.
Most platforms also cache a link's preview the first time it's shared, sometimes for days, so fixing a tag after a bad link has already gone out somewhere won't retroactively fix a preview that's already cached there — check a link here before you share it, not after.
Sizing and cropping problems on an og:image only show up once the actual image bytes are loaded, which isn't something a server-side tag fetch alone can tell you. So once a check finds an image, this tool loads it right in your browser and checks its real dimensions against the common recommendation of about 1200×630 pixels (roughly a 1.91:1 ratio) — flagging an image that's noticeably smaller, an unusual aspect ratio, or one that fails to load at all.
A strands profile's preview card is generated automatically the moment you publish, built from the same content that's actually on the page, with sensible tags already in place — nothing to check by hand, and nothing that can quietly go stale. See Publishing your page for what publishing actually does, and What Is a Link in Bio? for how a page like that fits into your links overall.
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