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Twitter (X) Image Resizer

This Twitter image resizer makes six image sizes X uses from one upload: a 1600 x 900 post image, square and 1080 x 1350 portrait posts, a 1500 x 500 header, a 400 x 400 profile photo and a 1200 x 630 link card image. Crop to fill and drag or zoom each frame, or fit the whole image on a colour or blurred background so nothing is cut. A safe-zone overlay shows where your profile photo covers the header. Load up to 20 images, add custom sizes, and download JPG, PNG or WebP separately or as a ZIP. It is useful when a chart keeps getting cropped into an unreadable strip in the timeline. Images stay in your browser.

Always freeNo sign upRuns in your browser

How to use

01

Load your image

Drop one or more images into the upload box, up to 20 at 20 MB each. Thumbnails appear at the top; click one to preview it, or Start over to clear them.

02

Crop or fit each size

Crop to fill lets you press Adjust crop and drag or zoom the image for each X size. Fit without cropping keeps the full image and fills the gaps with a colour or blur.

03

Export for X

Choose Output format, then press Download on a preview or Download all (ZIP). File names include the size, such as twitter-header, so you know which is which.

Why Twitter (X) Image Resizer

X (Twitter) image sizes

These are the sizes the Twitter image resizer outputs. X displays images differently on phones, computers and in link previews, so the safest approach is to keep text and faces near the middle of each frame. The header is the one to check most carefully, because your profile photo covers part of it. Posts with two to four images are cropped further into grid tiles.

PlacementSize (px)RatioNotes
Post image1600 x 90016:9Displays in full in most timelines
Square post1080 x 10801:1Safe for any photo
Portrait post1080 x 13504:5More height on phones
Header1500 x 5003:1Profile photo overlaps the lower left
Profile photo400 x 4001:1Shown as a circle
Link card1200 x 6301.91:1Set through your page's meta tags

Keeping your X header clear

The header is the one X image where something sits on top of your picture. Your round profile photo overlaps the lower left corner, and on some screens the very top and bottom of the 1500 x 500 image are trimmed.

Tick Show safe zones and the Header preset marks the profile photo area in red and a dashed band through the middle where text is safest. Use Adjust crop to slide the important part of the image to the right of the photo. The markings are approximate and only appear on the previews, never in the downloaded file.

Common questions

What image size avoids cropping in the X timeline?
A 16:9 image at 1600 x 900 usually shows in full, and 1080 x 1350 portrait images get plenty of height on phones. Very tall or very wide images are the ones X crops hardest in the timeline.
What is the Twitter header size?
The header is 1500 x 500 pixels, a 3:1 ratio. Your profile photo overlaps its lower left area and some screens trim the top and bottom. With Show safe zones ticked, the Header preset marks both, so you can keep text and logos in the clear middle band.
How do I stop X from cutting off my chart or screenshot?
Use the 1600 x 900 preset with Fit without cropping, so axis labels and edges stay in. A solid white or dark background usually looks neater than blur for charts.
Can I choose what part of the image shows in my X header?
Yes. Press Adjust crop on the Header preset, then drag the image and zoom until the right part fills the 3:1 frame. The download uses that exact crop.
What image size do X link cards use?
The Link card (large image) preset outputs 1200 x 630, the shape used for large link previews. The image comes from your page's meta tags, so upload it to your site and point og:image or twitter:image at it.
Is 400 x 400 big enough for an X profile photo?
Yes. X shows profile photos at up to 400 x 400 and much smaller in the timeline. The photo is shown as a circle, so keep your face in the middle, away from the corners.
Does X compress uploaded images?
Yes, large JPG photos in particular are recompressed. Uploading at the size X displays, such as 1600 x 900, limits the damage. PNG can keep small text in screenshots sharper.
How should I size images for a multi-image X post?
X arranges two to four images into a grid and crops each tile. Resize every image to the same preset and use Adjust crop to keep each subject central, so the grid looks planned.

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