Image tool

Image Resizer

Set a maximum width and height, preserve proportions, and export a resized local image.

Free browser tool

No Matrix computer needed

✓ No account or card

✓ Use the result right away

✓ Task-specific limits below

Workspace

Use image resizer

Runs in this browser tab

Choose an image or drop it herePNG, JPEG, or WebP · 20 MB per file

Output formatQuality: 78%

Maximum width (px)Maximum height (px) Keep original proportions

Result

Your result will appear here. Files stay in this browser tab.

How to use it

Choose an image and enter the maximum dimensions, then download the resized copy.

What to check

Upscaling cannot recover lost detail. Very large images may exceed browser memory limits.

Review the result before using it in a published page, application, or agent configuration.

Quick answers

Frequently asked questions

Does the image resizer keep proportions?

Yes by default. Set maximum width and height and leave Keep original proportions checked; uncheck that option to stretch into the chosen dimensions.

Can increasing image dimensions restore lost detail?

No. Upscaling adds pixels but cannot recreate information missing from the source. Check sharpness at the target display size.

Keep exploring

Related free tools

Image Color Picker Image Metadata Viewer Images to PDF

Keep your tools and files together with Matrix

Utilities brings everyday text, file, and developer tools into Matrix. Some advanced browser tools remain on the website. The desktop client connects to your private Matrix cloud computer, which requires a paid plan.

Get Matrix