Image Resizer
Resize an image by exact pixel dimensions while optionally preserving its aspect ratio.
Enter your values
How to use Image Resizer
- Enter Choose image, Width (px), Height (px), Keep aspect ratio, Output format.
- Choose the options that match your task and leave genuinely optional fields blank when they do not apply.
- Select Calculate / Run and review the result panel.
- Check units, assumptions and any limitations shown on the page before using the result for an important decision.
About this tool
Resize an image by exact pixel dimensions while optionally preserving its aspect ratio. Use the form above to enter Choose image, Width (px), Height (px), Keep aspect ratio, Output format. The calculation or transformation runs locally in your browser.
Frequently asked questions
What does Image Resizer do?
Resize an image by exact pixel dimensions while optionally preserving its aspect ratio.
What information do I need?
The form is built around these inputs: Choose image, Width (px), Height (px), Keep aspect ratio, Output format.
Does my input get uploaded?
For this tool, the calculation or transformation runs in your browser. Your entered values are not intentionally sent to ToolboxKart for processing.
Is this tool free to use?
Yes. You can use this ToolboxKart tool without creating an account.