All Tools

Image Resizer

Resize images to exact pixel dimensions. Lock aspect ratio or set custom sizes. Processed entirely in your browser.

Drop an image here, or browse files

Supports JPG, PNG, WebP. Max 20MB.

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How to Resize Images Online

Upload any image and set your desired width and height in pixels. Use the lock icon to maintain the original aspect ratio, or unlock it for freeform resizing. Choose from preset sizes for common use cases like social media profiles, HD video thumbnails, or passport photos.

Common Image Sizes

  • Social media profile pictures: 400x400 or 500x500 pixels
  • Instagram posts: 1080x1080 pixels (square)
  • Twitter/X header: 1500x500 pixels
  • YouTube thumbnail: 1280x720 pixels
  • Passport photo: 600x600 pixels (2x2 inches at 300 DPI)

Privacy

All resizing happens directly in your browser using the HTML5 Canvas API. Your images are never uploaded to any server.