Rollphy

Resize an image for an X post

Fit any photo into X's 16:9 post display without cropping — 1600×900 canvas with clean padding, resized in your browser for free.

Drop an image to resize it

or click to choose — output lands at exactly 1600×900 with padding, never cropped

Resizing in your browser…

Your file never leaves this device

Resized image preview
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X renders attached images in a 16:9 window on the timeline; a 4:3 screenshot or portrait photo gets its top and bottom sheared off in the preview. Resizing to an exact 1600×900 canvas — photo fitted inside, padding filling the gap — keeps the whole image visible at every scroll depth.

This page produces that exact file in your browser: no sign-up, no upload, and the preview you see before download is precisely the crop X will show.

Frequently asked questions

Why 1600×900 and not the original upload size?
X stores larger originals but serves the teased timeline image at 16:9. Pre-fitting to 1600×900 means the timeline preview shows your full composition, not a sheared centre cut.
Does the padding count against image-quality limits?
Flat padding compresses to nearly nothing — a JPEG/WebP with white bars costs a few extra kilobytes, well inside X’s limits.
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