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Social Preview Checker
Paste a URL to see how its link preview is likely to look on Facebook, X, LinkedIn and WhatsApp. We read the Open Graph and Twitter Card tags, test the share image and list what is missing.
Reading share tags…
Fetching the page and its share image. This usually takes a few seconds.
WHY THIS TOOL
What this social preview checker shows you
A broken share preview costs clicks every time someone posts your link.
Four Previews At Once
See approximate cards for Facebook, X, LinkedIn and WhatsApp side by side.
Open Graph Check
Reads og:title, og:description, og:image, og:url and more, and flags the ones that are missing.
Share Image Test
Downloads the share image and checks that it loads, how big it is, and whether its shape will be cropped.
Twitter Card Check
Checks the twitter:card type and the title, text and image X will use.
Every Tag Listed
A simple table shows every share tag found on the page, so you can spot typos fast.
Clear Fixes
Each problem comes with the exact tag to add or change.
GUIDE
How to use the social preview checker
Make sure every shared link shows the right title, text and image.
Why link previews matter
When someone shares your page on Facebook, LinkedIn, X or WhatsApp, the network builds a small card with a title, a short description and an image. A good card gets clicked. A card with no image, the wrong title or a cropped logo gets scrolled past. The good news is that you control what appears, through a handful of tags in your page, and this link preview tester shows the card before anyone shares it.
Using the social preview checker
- Paste the full URL of the page you want to share, such as a blog post or product page.
- Click Preview Link. The tool fetches the page, reads its share tags and downloads the share image.
- Look at the four preview cards to see roughly how the link will appear on each network.
- Go through the checks below the cards and fix anything marked red or amber.
- Check the page again to confirm the fix.
What the Open Graph checker looks at
- og:title and og:description: the headline and text most networks show. Without them, networks guess from the page title and content.
- og:image: the picture on the card. It must be a full URL that loads without a login.
- Image size and shape: 1200 × 630 pixels is ideal. Small images may appear as tiny thumbnails, and odd shapes get cropped.
- og:url: the main address of the page, so shares of different versions are counted together.
- twitter:card: tells X whether to show a large image card or a small summary.
Fixing a link preview that won't update
Networks cache previews, sometimes for days. If you fixed your tags but an old image still appears, the network is showing its saved copy. Facebook, LinkedIn and X each offer a free debugging or post inspector page where you can paste your URL and ask them to fetch it again. WhatsApp usually updates on its own after a while. Run the Open Graph checker here again once the network has refreshed, to confirm the tags and image it should now pick up.
Good habits for share tags
- Create a custom share image for important pages instead of reusing your logo everywhere.
- Keep text on the image large and away from the edges, so it survives cropping on every network.
- Write the share title for people scrolling a feed. It can be a little more conversational than your search title.
- Use this link preview tester before you announce a launch or send a newsletter, not after.
If you need to write the tags from scratch, the meta and Open Graph tag builder creates them for you.
Official reference: The Open Graph protocol is the original specification behind og:title, og:image and the other tags this checker reads.
QUESTIONS
Common questions about the social preview checker
Why a shared link can show the wrong image or title, and what to change so it looks right.
Usually the og:image tag is missing, points to a small or broken image, or the network cached an old version. Fix the tag, then ask the network to fetch the page again with its own debugging or post inspector tool.
They are close approximations built from your tags. Each network adds its own styling and may crop text or images a little differently.
1200 × 630 pixels, under 1 MB, in JPG or PNG. Keep important text away from the edges in case it gets cropped.
Open Graph covers most networks. X reads its own twitter: tags first and falls back to Open Graph, so adding twitter:card at least is a good idea.
WhatsApp needs og:title and og:image, and the image must be reachable without a login. Very large images may also be skipped.
No. We fetch the page and its image once to build the report, and nothing is kept afterwards.
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