Story Format / Twitter/X Post

Twitter/X Image Resizer

Resize any image or video for Twitter/X posts (1600×900) — free, instant, private.

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Drop a file here or click to upload
Images (JPG, PNG, WebP) or Videos (MP4, MOV, WEBM) — max 500 MB
Converting…
Download Image
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Instant
Runs in your browser — no upload to servers
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Private
Files never leave your device
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1600×900
Optimal 16:9 Twitter/X post size
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Images & Video
JPG, PNG, WebP, MP4, MOV, WEBM

What is Twitter/X Post format?

Twitter/X post images display best at 1600x900 pixels in a 16:9 landscape aspect ratio. This is the recommended size for maximum quality and engagement in the Twitter/X timeline. Images that don't match the 16:9 ratio get cropped in the feed preview, which can cut off important content. The 1600x900 resolution ensures your images look sharp on both mobile and desktop.

How to resize for Twitter/X posts

  1. Upload your image or video file — JPG, PNG, WebP, MP4, MOV, or WEBM.
  2. Choose "Fit + Black Bars" to show the full image, or "Stretch to Fill" for full 16:9 coverage.
  3. Download and tweet your perfectly sized 1600x900 image.

Why use Story Format?

Story Format is a free, browser-based resizer built for speed and privacy. Unlike other tools, your files are never uploaded to any server — all processing happens locally in your browser. There's no sign-up, no watermark, and no limit on how many files you can convert. It supports both images (JPG, PNG, WebP) and videos (MP4, MOV, WEBM) with audio preserved.

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