Free Image Resizer (Pixels, Dimensions & Aspect Ratio)

Resize image dimensions by exact pixels (width × height) or scaling percentage (50%, 75%). Lock aspect ratio to prevent stretching with crisp bicubic scaling.

🔒 100% In-Browser & Zero Server Uploads

About Resize Image Dimensions (Pixels & Percentage)

Resizes raster images to exact width and height pixel coordinates with aspect ratio lock and high-quality canvas bicubic interpolation.

How to Use Resize Image Dimensions (Pixels & Percentage) Online

  1. Upload your photo.
  2. Enter target Width or Height in pixels (or select a scaling percentage).
  3. Click Resize Image and download your file.

Frequently Asked Questions

What does Lock Aspect Ratio do?
When locked, entering a new width automatically adjusts the height proportionally to prevent distorting or stretching your image.