What is Image Resizer?
Set a target width and height in pixels. Keep the original aspect ratio or create an exact-size image for a form or layout.
Upload an image, enter the new width and height and choose whether to preserve its proportions. The resized copy is generated locally.
How to use this tool
- 1
Add an image and enter the target pixel width and height.
- 2
Keep the aspect ratio for proportional resizing or turn it off for exact dimensions.
- 3
Choose JPG, PNG or WebP output and download the resized copy.
Features
- Enter pixel dimensions
- Optional aspect-ratio preservation
- Download resized files in a common image format
Example
Resize a 2400 × 1600 photo to 1200 pixels wide while preserving its aspect ratio.
Frequently asked questions
Does resizing improve image quality?+
Upscaling cannot add real detail. Reducing dimensions can produce a smaller image, but the source is unchanged.
What format is the resized image?+
You can choose JPEG, PNG or WebP output.
About this image resizer
Image Resizer is part of itotii’s free collection of browser-based utilities. It is designed for a quick workflow: find the tool, complete the task and keep control of your files and data.
Output depends on your input and browser support. Review the result before using it in a published or important document.