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Twitter Card Generator

Build the twitter:card tags and preview the result.

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The account behind the website.

Who wrote the piece.

App card details

Player card details

Twitter card tags

Your generated code appears here.

Quick Tool Overview

The Twitter Card Generator writes the twitter meta tags for summary, large image, app and player cards, with a live preview drawn at that card's real aspect ratio. Since X falls back to Open Graph for most values, the tag that matters most is twitter:card itself — it is what decides between a small thumbnail and a full-width image.

What it does
Generates Twitter card meta tags and previews the post
You give it
A card type, title, description, image and account handles
You get back
A block of twitter meta tags and a live card preview
Best for
Article pages, product launches and anything shared on X
SEO Tools Free, unlimited use No sign-up Runs in your browser

About the Twitter Card Generator

Pick a card type, fill in the title, description and image, and the generator writes the twitter meta tags with a preview of the post beside them. Summary, summary with large image, app and player cards are all covered, with the fields each one actually uses.

X falls back to Open Graph for most values, which means the tag that really matters is twitter:card itself — it decides whether your link appears as a small square thumbnail or as a full-width image, and there is no Open Graph equivalent. The image requirements differ by type: a summary card wants something close to square at 144 pixels or more, while a large image card wants 2:1 and at least 300x157, ideally 1200x600. Getting that ratio wrong is why so many large image cards show a badly cropped photo.

Key features of the Twitter Card Generator

All four card types

Summary, summary with large image, app and player, each with the fields it actually uses.

Correct aspect ratios

The preview uses 2:1 for a large image card and a square for a summary, so a bad crop is visible.

Image requirement checks

Minimum sizes differ by card type, and the tool states which one applies.

Open Graph fallback explained

It shows which values X will take from your existing Open Graph tags, so you write fewer of them.

Live preview

The post is drawn as you type, including the truncation X applies to the title and description.

How to use the Twitter Card Generator

  1. 1

    Choose the card type

    Large image for most links. Summary for a compact thumbnail. App and player for their own cases.

  2. 2

    Fill in the fields

    Title, description, image and the account handles. The preview updates as you type.

  3. 3

    Check the crop

    The preview uses the real aspect ratio for the chosen card, so a badly proportioned image is obvious.

  4. 4

    Copy the tags

    Paste them into the head alongside your Open Graph tags — the two sets work together.

Frequently asked questions

One of them, yes. X reads Open Graph tags for the title, description and image, but twitter:card is what decides between a small thumbnail and a large image, and Open Graph has no equivalent for that.

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