Story Format / Square Post

Square Image Resizer

Resize any image or video to square 1:1 format (1080×1080) — 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 Square
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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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1080×1080
Perfect 1:1 square for Instagram & more
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Images & Video
JPG, PNG, WebP, MP4, MOV, WEBM

What is Square Post format?

Square images at 1080x1080 pixels (1:1 aspect ratio) are the universal format for social media posts. This format works across Instagram, Facebook, LinkedIn, Twitter/X, and most other platforms. Square images display consistently in grids and feeds without any cropping. The 1:1 ratio is also the standard for profile grids on Instagram, making it ideal for maintaining a clean, consistent aesthetic.

How to resize for square social media posts

  1. Upload your image or video — supports JPG, PNG, WebP, MP4, MOV, and WEBM.
  2. Choose "Fit + Black Bars" to preserve the full image, or "Stretch to Fill" for a 1:1 square crop.
  3. Download the 1080x1080 file and share it on any social platform.

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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