Magic Resizer

Free X (Twitter) Image Resizer

Resize your images for X (Twitter) in-feed posts and profile headers so nothing important gets cropped in the timeline.

Everything happens in your browser, no software to install, no account required for your first five images.

Your images stay on your device, nothing is uploaded to Buffer.

X (Twitter) image sizes & requirements

Use these recommended sizes for the sharpest X (Twitter) images, and keep within the upload limits below so nothing is rejected or compressed.

Recommended X (Twitter) image sizes
FormatSize (pixels)
Post1600 × 900
Header1500 × 500

Upload requirements

Accepted formatsJPG, PNG, GIF, WebP, HEIC
Max file size5 MB (static images), 15 MB (GIFs)
DimensionsUp to 8192 × 8192 px
  • Animated GIFs: max 1280 × 1080, 350 frames, 300 million total pixels.

Sizes and formats are based on Buffer’s ideal image sizes and formats guide.

FAQs

What is the best image size for X (Twitter)?

The recommended X (Twitter) image sizes are: Post (1600 × 900 px), Header (1500 × 500 px). Buffer's free image resizer crops and resizes your photo to each of these in one step.

What image formats does X (Twitter) support?

X (Twitter) accepts JPG, PNG, GIF, WebP, HEIC. The maximum file size is 5 MB (static images), 15 MB (GIFs).

Do I need a Buffer account to resize X (Twitter) images?

No. You can resize up to 5 images without an account. After that, create a free Buffer account to keep resizing for free.

Are my images uploaded to a server?

No. All resizing happens directly in your browser, so your images are never sent to or stored on Buffer's servers.

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