Resize Image Online
Resize an image using browser Canvas APIs with optional aspect ratio locking.
Your files are processed locally in your browser. Nothing is uploaded or stored.
Features
Key features of Resize Image
Set exact output width and height in pixels.
Maintain aspect ratio with a simple toggle.
Preview resized output before download.
Export in the source image format when supported.
Resize locally with Canvas APIs.
Benefits
Why use this tool
Create images that fit strict upload dimensions.
Avoid distorted images with aspect-ratio locking.
Resize files quickly without opening design software.
Use cases
Common ways to use Resize Image
Prepare profile images, thumbnails, and banners.
Resize documentation screenshots.
Create consistent image dimensions for web pages.
Process
How to use Resize Image
Choose an image.
Enter target width and height.
Download the resized image.
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Related guides
Guides for this tool
How to Resize Images Online for Free
Learn how to resize images to exact pixel dimensions using a free browser-based tool. Maintain aspect ratio and preview before downloading.
FAQ
Frequently Asked Questions
Are my files uploaded to MultiTool Panda?
No. File tools process your files locally in your browser and do not upload, store, log, or inspect them on a server.
Can I use this tool on mobile?
Yes. The interface is responsive and works in modern mobile browsers, although very large files may be easier on a desktop device.
Can I keep the original aspect ratio?
Yes. Enable the aspect ratio toggle and changing one dimension updates the other.
Does resizing happen instantly?
The preview updates in the browser after the image is loaded and dimensions are applied.
Is this tool free to use?
Yes. MultiTool Panda tools are free and do not require sign-up.
Does this tool work on mobile?
Yes. The interface is responsive and works in modern mobile browsers.