QRix
Hit exactly 1200×630 — the Open Graph size that controls how your link looks when it is shared.
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1200×630 is the Open Graph image size, the picture that appears when someone pastes your URL into a social post, a group chat or a messaging app. Getting it right matters more than most image sizes because it is the first thing people see of your page, and platforms that receive the wrong ratio will crop it themselves — usually straight through the middle of your headline. The frame is roughly 1.91:1, wider than almost anything a camera produces, so plan for a horizontal crop. Keep important text well inside the centre, since some clients trim the edges further to fit their own card layouts. Use fit with a brand background colour when a logo or a full graphic has to stay intact.
1200×630 is the widely recommended size. It satisfies the 1.91:1 ratio most platforms expect and is large enough to stay sharp on high-DPI screens.
Clients crop anything that does not match their card ratio. Starting from an exact 1200×630 file removes the guesswork, and keeping text near the centre protects it from any further trimming.
Mostly yes — most link-preview implementations read the same Open Graph tags, though some render a smaller square thumbnail from the centre of the image.
Yes. Previews are often displayed a few hundred pixels wide, so type that looks generous at full size becomes readable rather than oversized.
No. Resizing runs entirely in your browser with the Canvas API, so the file never leaves your device and nothing is stored or transmitted.
It's free, private and works right in your browser — no signup, no watermark.