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Size one image correctly for every feed, story and thumbnail. Presets follow each platform's current recommended dimensions, and your image is scaled or centre-cropped — never stretched.
Drag an image here, or
JPG, PNG or WebP · up to 30 MB
Every platform expects a specific size and aspect ratio for each placement, and uploading the wrong shape means the platform crops or pads it for you. This tool resizes to a chosen preset with a centred crop or a padded fit — never a stretch. Presets follow each platform's current recommended dimensions; platforms adjust these over time, so treat them as a strong default.
This tool runs entirely in your browser using the Canvas API. Your file is never uploaded to a server, stored, or sent anywhere — close the tab and nothing remains.
Images are processed on your device — nothing is uploaded.
Because the image does not match the aspect ratio that placement uses, so it is trimmed to fit. Resize to the exact target ratio first and choose the crop yourself.
1080 x 1350 pixels, a 4:5 portrait ratio — it takes the most space in the feed. Square (1080 x 1080) is the safe alternative. Stories and reels are 1080 x 1920 (9:16).
Scaling down is nearly lossless and usually improves sharpness for the target size. The tool never enlarges beyond your source and never stretches, so proportions are always kept.
If you know the target pixel size, the general approach is the same — but the built-in presets cover YouTube, Instagram, TikTok, Facebook, X and LinkedIn placements, which is most creator use.