Image Compressor

Twitter / X Card Image Generator

Create 1200×675 summary_large_image cards for X (Twitter) link previews.

1200 × 675 px · canvas

Optional logo

Twitter / X summary_large_image cards are 1200×675 (16:9). Slightly taller than Open Graph (1200×630 / 1.91:1), so dedicated dimensions avoid the awkward letterbox you get from re-using an OG image.

X (Twitter) uses a slightly different aspect ratio to Open Graph: cards render at 1200×675 (16:9) rather than 1200×630 (1.91:1). The difference is small but enough that an OG image looks cropped or oddly proportioned in the X feed.

This generator targets the 16:9 ratio exactly and shares the same four templates as the Open Graph generator. Headline, subheading, background and text colours, optional logo. Download as PNG or — for a smaller file with no visible quality difference — JPEG.

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Frequently asked questions

Why 1200×675 and not 1200×630?
X uses 16:9 (1200×675) for its summary_large_image card, while Open Graph (Facebook, LinkedIn, Slack, etc.) standardised on 1.91:1 (1200×630). The 45-pixel difference matters: a 1200×630 image shown in an X card gets letterboxed with the top and bottom rendered awkwardly.
What meta tag do I add?
In your <head>, include <meta name="twitter:card" content="summary_large_image">, <meta name="twitter:image" content="https://yoursite.com/twitter-card.jpg">, plus the og:image fallback for non-Twitter previewers.
Does X actually re-crawl images?
Yes, X caches previews. If you've updated an image, use the X Card Validator (cards-dev.twitter.com/validator) to force a re-fetch. Most other crawlers (Facebook, Slack) honour the og:image directly with no manual invalidation.
Is my data uploaded?
No. The card is composed and rendered entirely in your browser. The downloaded image only leaves your device when you choose to upload it to X.
Can I reuse the same image for Open Graph?
Yes if you crop or letterbox it carefully — but the cleanest result is to generate two: one 1200×630 (OG) and one 1200×675 (X). The dedicated Open Graph image generator is linked below.