Resize Image Online Free
Change the dimensions of any image to exact pixel values. Aspect ratio lock keeps proportions perfect. Free, no signup, files never leave your browser.
🔒 Your file never leaves your browser. All processing is done locally.
How to Resize an Image
- 1
Upload your image
Click the upload zone or drag and drop a JPG, PNG, or WebP image. The original dimensions are shown automatically.
- 2
Set dimensions
Enter a target width or height. Toggle the aspect ratio lock to keep proportions or uncheck it to stretch freely.
- 3
Download the resized image
Click "Resize Image" and download the result in the original format.
Resizing images is one of the most common image editing tasks — scaling down a photo for a social media post, fitting an image to a fixed container size, or preparing assets for a website. want2convert resizes images instantly in your browser without any upload.
How it works:The tool draws your image onto an HTML Canvas at the target dimensions using the browser's built-in image scaling (bilinear interpolation), then exports the canvas as a new image in the original format.
Aspect ratio lock: The lock button (🔒) keeps the width-to-height ratio fixed. When locked, changing width auto-calculates height and vice versa. Unlock it (🔓) to stretch the image freely to any dimensions.
Common sizes: Social media profile photos are typically 400×400 px. Web hero images are often 1920×1080 px. Email headers are typically 600 px wide. Document thumbnails are often 200×200 px.