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FileTinker

Resize image to Twitter / X Header

Need an image at 1500 × 500 pixels? Drop your photo below and FileTinker resizes it to Twitter / X Header right in your browser — nothing is uploaded. The size is preset to 1500 × 500, so just add your image and download.

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Jump to another preset — each opens its own page ready to go:

How to resize an image to Twitter / X Header

  1. Add your image above — it's processed in your browser, nothing is uploaded.
  2. The size is preset to 1500 × 500 pixels. Keep the aspect-ratio lock on to avoid stretching, or adjust the numbers.
  3. Download the resized image, ready for use.

About resizing to Twitter / X Header

Resizing to 1500 × 500 changes the image's pixel dimensions, which also affects its file size. Shrinking stays crisp; enlarging beyond the original can look soft.

This preset is sized for Twitter / X Header. Everything runs locally in your browser, so your image stays private — no upload, queue or sign-up.

This sizes your image to 1500 by 500 pixels, the wide 3:1 banner that sits behind your name on a Twitter or X profile. Because your round avatar overlaps the lower-left corner, keep important detail toward the centre and right of the strip.

Frequently asked questions

How do I resize an image to Twitter / X Header?

Drag your JPG, PNG or WebP into the tool above — the size is already set to 1500 × 500 pixels — and press Resize. FileTinker resizes it in your browser, then you download the result.

Will resizing to Twitter / X Header reduce the quality?

Resizing changes the pixel dimensions to 1500 × 500. Scaling down stays crisp; scaling a small image up to 1500 × 500 can look softer because there is no extra detail to add.

Does resizing keep the aspect ratio?

This preset resizes to exactly 1500 × 500. On the main resizer you can lock the aspect ratio so width and height stay in proportion.

Are my images uploaded anywhere?

No. Resizing happens entirely in your browser — your image never leaves your device and nothing is stored on a server.

What size is a Twitter / X header image?

The profile header is 1500 by 500 pixels at a 3:1 ratio. Your avatar covers part of the bottom-left, so avoid placing logos or text there where they would be hidden.