Resize JPG, PNG and WebP images to any width or height, fast, free and processed privately in your browser.
The Image Resizer changes the dimensions of your JPG, PNG and WebP images to the exact width or height you need. Lock the aspect ratio to scale proportionally, or unlock it to set an exact size. Everything happens locally in your browser using the HTML canvas, your photos are never uploaded to a server, so they stay completely private. It is perfect for profile pictures, thumbnails, social posts and fitting images into size limits.
Drag & drop or click to select one or more images.
Enter a width or height and choose the output format.
Save each resized image, or download them all at once.
Images are resized on your device, nothing is uploaded.
Resize many images at once and download them together.
Lock the aspect ratio so images never look stretched.
No signup, no limits and no watermarks, ever.
Fit avatars to the exact size a site requires.
Generate small previews for galleries.
Match the dimensions each platform expects.
Serve smaller images for quicker load times.
Shrink images to fit form and email limits.
Set pixel dimensions for documents and prints.
Yes. ToolBrainy's image resizer is completely free with no signup, no limits and no watermarks.
Yes, if you keep "Lock aspect ratio" checked. Enter a width and the height is calculated automatically so the image is not stretched.
Absolutely. All resizing happens in your browser using the canvas API. Your images are never sent to or stored on any server.
You can upload JPG, PNG and WebP images, and export to JPEG, WebP or PNG, or keep the original format.