Resize Images for Twitter / X

Resize images for Twitter / X to the exact dimensions the platform expects, from in-tweet photos to profile headers.

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Use it right here — already set up for this task

Image Resizer

Resize Images Online

Resize images to custom dimensions or social media presets. Works in your browser - no upload needed.

Click to upload or drag and drop

PNG, JPG, WebP (max 50MB)

Upload an image to get started

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About Image Resizer

Our free image resizer tool lets you resize images to any custom dimensions or choose from popular social media presets. Perfect for optimizing images for Instagram, Facebook, Twitter, YouTube, and more.

Features:

  • Custom width and height controls
  • Maintain aspect ratio toggle
  • Quick presets for social media platforms
  • Support for PNG, JPG, and WebP formats
  • Works entirely in your browser - images never uploaded to servers
  • Completely free with no signup or watermarks

Standards & References

Last updated: 2026-03-10

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Why this matters

Twitter automatically crops oversized images to fit feed previews. Pre-sizing avoids ugly automatic crops and ensures the right part of your image is visible.

Step by step

  1. 1
    Drop in your photo
    Upload the source image.
  2. 2
    Pick a Twitter preset
    In-tweet (1600×900), Header (1500×500), Profile (400×400).
  3. 3
    Adjust crop
    Frame the photo correctly.
  4. 4
    Download
    Save the resized image.
  5. 5
    Post
    Upload to Twitter / X.

Frequently asked questions

What is the best image size for Twitter posts?

1600×900 (16:9) is the sweet spot for in-feed display.

What are Twitter / X header dimensions?

1500×500.

What size are Twitter profile pictures?

400×400, displayed as a circle.

Will Twitter compress my image again?

Yes — Twitter re-encodes uploads. Pre-sizing minimizes additional damage.

Is the resizer private?

Yes. No upload, no server. Runs in-browser.

Does Twitter support transparent PNGs?

Yes for profile pics; in-tweet PNGs may be flattened.

Try Image Resizer now
Free, private, no signup. Runs in your browser.
Open Image Resizer →

Further reading

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