Image Resizer

Resize image dimensions quickly with aspect-ratio controls and export-ready output.

UI mode

Image file

Target width (px)

Target height (px)

Keep aspect ratio

Output format

Quality (JPEG/WEBP)

Background for JPEG

About This Tool

This free online Image Resizer changes width and height directly in your browser. Keep aspect ratio enabled for safe proportional resizing or disable it for exact dimension targets.

Use advanced mode to choose output format, quality, and background fill for JPEG export.