Image Resizer

Resize images by exact width or percentage while preserving the original aspect ratio.

Drop images here

or

JPG, PNG, WebP, AVIF, GIF, BMP, SVG · max 50.00 MB/file · max 20 files

What is Image Resizer?

An image resizer changes the pixel dimensions of an image. Resizing is useful when an image is too large for a website, form upload, profile picture, marketplace listing, or email attachment.

Image Resizer preview

How to Use Image Resizer

  1. Upload an image or batch of images.
  2. Set an exact output width or choose a scale percentage.
  3. Choose JPG, PNG, or WebP output.
  4. Click Process Images.
  5. Download the resized result.

Resize images to the size you actually need

Many photos are far larger than the area where they appear on a website or profile. Resizing reduces the pixel dimensions so the final image is more appropriate for the layout. This can improve loading speed, reduce storage usage, and make uploads easier.

Use exact width when you know the target layout size. Use percentage scaling when you want a quick smaller version while keeping the original proportions. The tool keeps aspect ratio, so the image will not look stretched.

  • Blog thumbnails and article images
  • Profile photos and avatars
  • Product photos for stores
  • Images for forms with file size limits
  • Email and newsletter graphics

Choosing dimensions

For a blog card, 800–1200px wide is often enough. For a full-width hero image, 1600–2000px can be appropriate depending on the design. For icons, logos, and small UI assets, use the exact dimensions required by the interface.

Avoid enlarging small images unless necessary. Upscaling increases pixel dimensions but cannot recreate real detail that was not present in the original file.

Resize before other optimization steps

  • Resize first when the source image is much larger than needed.
  • Compress after resizing for the best file size result.
  • Crop before resizing when the composition needs to change.
  • Use consistent dimensions for galleries and thumbnails.

Frequently Asked Questions

Does ImageCub preserve aspect ratio?
Yes. The resizer keeps the original aspect ratio so images do not look stretched.
Can I resize multiple images?
Yes. Batch resizing is supported and the results are delivered as a ZIP.
Will resizing reduce file size?
Usually yes. Reducing pixel dimensions often lowers file size significantly.
Can I enlarge images?
You can increase the size, but enlarging cannot create real detail that was not in the original image.