Resize Image with Aspect Ratio

Maintain original proportions when changing size. Lock aspect ratio, adjust one dimension, and export without distortion.

Free Forever No Login No Watermark Unlimited On Mobile 48h Auto-Delete

Drop an image here or click to browse

Up to 10 images per batch (10MB each). Download or share, clear the queue, and start your next batch anytime. JPG, PNG, WebP, AVIF, HEIC, GIF, BMP, SVG, TIFF.

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Active shares auto-delete after 48 hours · save up to 50 MB

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How It Works

1

Upload

Add your source image.

2

Lock aspect ratio

Turn on aspect lock so width and height stay proportional.

3

Set one dimension

Change width or height — the other value updates to match.

4

Download

Export without distortion.

How to resize an image online

Open the tool above, upload your image (JPG, PNG, WebP, HEIC, AVIF, and more), adjust the settings, and preview the result in your browser. When you are happy with the output, click Download to save it to your device or Share to get a temporary link. No account is required, and you can process up to 10 images per batch.

Why use imageresize.cc for image resizing?

  • Free and fast — no signup, no watermarks, no daily caps on batches.
  • Private by default — preview and editing happen in your browser; files are only uploaded if you choose Share.
  • Works on any device — phone, tablet, or desktop with a modern browser.
  • Batch-friendly — queue up to 10 images (10 MB each), export, then start your next batch.

Tips for Resize Image with Aspect Ratio

Start from the highest-quality source you have, lock aspect ratio when resizing for social or print, and download a copy before trying a different format.

Need a different workflow? Browse our full tools directory for resize, compress, convert, crop, and social-media presets.

Frequently Asked Questions

When enabled, changing width automatically updates height (or vice versa) so the image is never stretched or squashed.
Yes. imageresize.cc is completely free with no signup, no watermarks, and no limits on how many batches you can run. Each batch supports up to 10 images (10 MB each).
Preview and editing run in your browser. Your original file stays local unless you click Share, which uploads the finished image so you can copy a link.
Common formats include JPG, PNG, WebP, AVIF, HEIC, GIF, BMP, TIFF, and SVG. You can usually keep the same format or convert during export.