Image Resizer

Change image dimensions for websites, social posts or email. Lock the aspect ratio to avoid distortion, choose the output format and quality, and download.

How to use the Image Resizer

  1. Upload an image.
  2. Set width or height.
  3. Download the resized image.

How it works

Processing happens on your device using the canvas API; the image is never uploaded.

Good to know

Enlarging images beyond their original size reduces sharpness.

Frequently asked questions

Shrinking is fine; enlarging blurs.

WebP or JPG for photos.

BillGen provides general-purpose tools; verify important outputs before relying on them.