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Twitter Card Generator
Generate Twitter Card (X) meta tags so your link shows a large-image preview when posted on X. Fill the fields and copy the four summary_large_image tags.
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Quick Answer
Enter a title, description and image URL, and the tool outputs four Twitter Card tags — twitter:card set to summary_large_image, plus twitter:title, twitter:description and twitter:image — that control the large-image preview when your link is posted on X (Twitter). Paste them into your page head. It builds live and runs entirely in your browser. X also falls back to Open Graph tags, so these two sets work together.
What the Twitter Card Generator Does
Twitter Cards turn a bare link on X into a card with a big image, a headline and a blurb. The tool writes the four tags for the summary_large_image card type — the wide-image format — using the name attribute that X reads. Copy the block into the head of your page.
The form includes a URL field for symmetry with the Open Graph generator, but note that the Twitter Card tags themselves do not carry a URL — X derives the destination from the link you post and from og:url. So fill it if you like; it will not appear in this output.
How It Works
Each value becomes a meta tag with the name attribute (name twitter:title, and so on) — Twitter Cards use name, where Open Graph uses property. The card type is fixed to summary_large_image, the wide format that shows a prominent 2:1 image above the text.
This generator is the Open Graph generator's twin — the same form, switched to Twitter output. That is deliberate: a page usually wants both sets, and X is built to fall back to your og: tags when a twitter: equivalent is missing, so the image and title carry over even if you only ship one set.
Generation algorithm
- Collect the fields. Read the title, description and image URL (the URL field is not used in the output).
- Escape each value. Convert ampersand, angle-bracket and double-quote characters to entities.
- Write the twitter: tags. Output twitter:card (summary_large_image), twitter:title, twitter:description and twitter:image, each as a name meta tag.
- Output live. Join them into one block to copy into the page head; it refreshes as you type.
Tags it generates
twitter:card — summary_large_image (fixed)
twitter:title — your title
twitter:description — your description
twitter:image — your image URL (about 1200×628)Written with the name attribute (name twitter:title). twitter:site and twitter:creator (the at-handles) are not added, and the form's URL field is not used in the output.
Technical Details
| Inputs | Title, description, image URL (URL field unused) |
|---|---|
| Output tags | twitter:card, twitter:title, twitter:description, twitter:image |
| Card type | fixed to summary_large_image |
| Attribute | name (Twitter Card style) |
| Not added | twitter:site, twitter:creator |
| Recommended image | about 1200 by 628 (2:1) |
| Where it runs | In your browser — nothing uploaded |
Standards & references
- Twitter Cards (X) — the summary_large_image card shows a large image with title and description; the core tags are twitter:card, twitter:title, twitter:description and twitter:image.
- name attribute — Twitter Cards use name (name twitter:title), where Open Graph uses property.
- Fallback to Open Graph — if a twitter: tag is missing, X uses the matching og: tag — so og:image can stand in for twitter:image.
Accuracy & Limitations
The card type is fixed to summary_large_image (the wide-image card). The smaller summary card, and the app and player cards, are not offered; change twitter:card by hand if you need a different type.
It does not add twitter:site or twitter:creator — the at-handles for the site and author. Those are optional but nice for attribution; add them yourself after pasting.
The form has a URL field, but Twitter Card tags do not include a URL, so what you type there does not appear in the output. X gets the destination from the posted link and from og:url.
Because X falls back to Open Graph, you often do not need a separate twitter:image at all — an og:image alone will show. These tags are useful when you want the X card to differ from the OG one, or to be explicit.
X caches cards. After changing the tags, use the X Card validator or repost to refresh the preview; the old card can linger otherwise.
Real-World Use Cases
Sharing on X
Make your link show a large-image card on X instead of a plain URL.
Launches and campaigns
Control the headline and image for a post promoting a page.
Blogs and articles
Give each article its own X preview image and title.
Pairing with Open Graph
Add explicit twitter: tags alongside og: tags for full control across platforms.
When to use it — and when not to
Good for
- A large-image preview when posting to X
- Making the X card differ from the OG card
- Explicit twitter: tags for attribution control
- A quick summary_large_image block to paste
Not the best choice for
- summary, app or player card types
- twitter:site / twitter:creator handles
- Pages already covered well by og: tags alone
- A URL inside the card — it does not use one
Only need one set? X falls back to Open Graph, so the OG generator often covers X too. Need standard head tags? Use the meta tag generator.
Frequently Asked Questions
What does this generate?
Four Twitter Card tags for the summary_large_image format: twitter:card, twitter:title, twitter:description and twitter:image. They make X show a large-image preview of your link.
Do I still need these if I have Open Graph tags?
Often not. X falls back to og: tags when twitter: ones are missing, so og:image and og:title usually carry over. Use these when you want the X card to differ, or to be explicit.
Why does the URL I typed not appear in the output?
Twitter Card tags do not carry a URL; X gets the destination from the posted link and og:url. The URL field is there for parity with the Open Graph form.
What image size works best?
About 1200 by 628 (a 2:1 ratio) for summary_large_image; 1200 by 630 also works and matches Open Graph. The image must be at a public URL.
Can I use the small card instead?
This tool fixes the type to summary_large_image. For the smaller summary card, change the twitter:card value by hand after pasting.
How do I add my handle?
Add twitter:site (the site's handle) and twitter:creator (the author's) yourself; this tool does not generate them.
Why name and not property?
Twitter Cards are defined to use the name attribute (name twitter:title). Open Graph uses property. Using the wrong one stops X reading the tag.
Where do the tags go?
In the head of your page, alongside your Open Graph tags.
My card still shows the old image — why?
X caches cards. Refresh it with the X Card validator or by reposting after your changes are live.
Is this the same as the Open Graph generator?
It is the twin — same form, Twitter output. One writes twitter: tags, the other og: tags. A page can use both.
Does it check my image loads?
No. It writes the tag; make sure the image URL is public and correctly sized, then validate on X.
Is anything uploaded?
No. The tags are built in your browser as you type.
References
Writes the four summary_large_image Twitter Card tags with the correct name attribute; it is explicit that the URL field is unused and that X falls back to your Open Graph tags.
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