Image Resizer
Change image dimensions while keeping the right proportions. Processed locally in your browser whenever possible.
How to use Image Resizer
- Choose a file or enter the content for this tool.
- Adjust the available options and start the operation.
- Download the result when it is ready.
Supported input
JPG, PNG and WebP images. Files are not uploaded by this page.
Using Image Resizer
Best for
Changing pixel dimensions for web uploads, documents and social posts.
Example
Resize a 4000 × 3000 photo to 1200 × 900 while keeping its proportions.
Supported formats
JPG, PNG and WebP input; PNG output.
Good to know
Up to 40 MiB per image, 32 megapixels total and 16,384 pixels per side. Keep the original file; resizing does not restore lost detail.
Frequently asked questions
What does Image Resizer do?
Change image dimensions while keeping the right proportions. The operation runs locally in your browser whenever the selected format supports browser processing.
Are my files uploaded?
No. This tool processes your file locally in your browser whenever possible. The file is not sent to our server.
Do I need an account?
No. The core tool works without signup, login or a credit system.
What is Image Resizer useful for?
Changing pixel dimensions for web uploads, documents and social posts.
What should I know before using Image Resizer?
Up to 40 MiB per image, 32 megapixels total and 16,384 pixels per side. Keep the original file; resizing does not restore lost detail.
What image types are supported?
JPG, PNG and WebP images