Why is my image not showing in the preview?

Most likely the image URL is not publicly accessible, or the file is not a recognised image format. Make sure the URL starts with https://, points to a JPG/PNG/WebP, and can be loaded in an incognito window.

What size should my preview image be?

1200 × 630 pixels (1.91:1 aspect ratio) is the safest size — it works for Twitter, Facebook and iMessage. Instagram bio prefers a square 1:1 image.

Why is my title cut off on Twitter but not Facebook?

Twitter truncates titles around 70 characters; Facebook allows roughly 100. The previews show the truncation point for each platform so you can write a title that fits the tightest constraint.

Do these previews use my real Open Graph tags?

No. The previews use the values you type in the form, not your page’s actual meta tags. Once you publish your meta tags, use the platform’s official debugger (Twitter Card Validator, Facebook Sharing Debugger) to verify the live card.

Social Media Tools

Bio Link Preview

Type a title, description, image URL and target URL and instantly see how the link card will render on Instagram bio, Twitter / X, Facebook share and iMessage. Each preview truncates the text at that platform’s real-world character limits so you can spot truncation before you publish. Warnings flag missing images, bad URLs and titles that will be cut off.

Your input is processed locally in your browser. It is not uploaded to Dueneo.

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How to use

1
Enter the link details
Type a page title, one-line description, image URL and the destination URL. Use full https:// URLs for both image and link.
2
Inspect each preview
Scroll through the four platform cards. Each preview shows exactly how much of your title and description will be visible after the platform’s truncation rules apply.
3
Read the warnings
Warnings flag missing images, invalid URLs, non-image file extensions and titles longer than 70 characters (the Twitter truncation point).
4
Tune and ship
Adjust your title and description until the previews look right across all four platforms, then publish your meta tags.

Common use cases

Preview how a blog post will look when shared on Twitter before publishing.
Confirm your Open Graph image displays correctly on Facebook.
Tune a link-in-bio caption so it doesn’t truncate on Instagram.
Check that an iMessage rich link card shows the right title and image.

Limitations

Previews approximate each platform’s actual card layout. Real rendering depends on the platform’s current cache, theme and A/B tests.
Instagram does not show unfurled link cards in feed posts — the “Instagram bio” preview reflects the short bio link card.
Image URLs must be publicly accessible. Locally hosted or auth-gated images will not load.
For the best social cards, also set og:title, og:description, og:image and twitter:card meta tags on your page — use the Meta Tag Generator and Open Graph Generator for that.

Frequently asked questions

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Loading Bio Link Preview…

Bio Link Preview

How to use

Enter the link details

Type a page title, one-line description, image URL and the destination URL. Use full https:// URLs for both image and link.

Inspect each preview

Scroll through the four platform cards. Each preview shows exactly how much of your title and description will be visible after the platform’s truncation rules apply.

Read the warnings

Warnings flag missing images, invalid URLs, non-image file extensions and titles longer than 70 characters (the Twitter truncation point).

Tune and ship

Adjust your title and description until the previews look right across all four platforms, then publish your meta tags.

Limitations

Previews approximate each platform’s actual card layout. Real rendering depends on the platform’s current cache, theme and A/B tests.
Instagram does not show unfurled link cards in feed posts — the “Instagram bio” preview reflects the short bio link card.
Image URLs must be publicly accessible. Locally hosted or auth-gated images will not load.
For the best social cards, also set og:title, og:description, og:image and twitter:card meta tags on your page — use the Meta Tag Generator and Open Graph Generator for that.