Resize Image Online

Resize any image to exact dimensions. Change width and height, scale by percentage, or use presets. Free, fast, and runs entirely in your browser.

Resized image preview will appear here

How to Resize an Image

Resize any photo to your desired dimensions in 3 simple steps

1

Upload Your Image

Drag and drop or click to upload your photo. Supports PNG, JPG, WebP, and other common formats up to 50MB.

2

Set Dimensions

Enter exact width and height, or use percentage presets (50%, 75%, 150%, 200%). Lock the aspect ratio to keep proportions intact.

3

Download Resized Image

Click Resize, preview the result, and download in PNG, JPG, or WebP format. Choose your preferred quality level for JPG and WebP.

Image Resizer Features

Everything you need to resize images quickly and easily

Exact Dimensions

Enter precise width and height in pixels to resize your image to the exact size you need for any platform or project.

Percentage Presets

Quickly scale images to 50%, 75%, 150%, or 200% of the original size with one-click preset buttons.

Aspect Ratio Lock

Keep your image proportions perfect with the aspect ratio lock. Change one dimension and the other updates automatically.

Multiple Output Formats

Download your resized image as PNG for lossless quality, JPG for smaller file sizes, or WebP for modern web optimization.

100% Browser-Based

All resizing is done locally in your browser using the Canvas API. Your images are never uploaded to any server — total privacy.

Quality Control

Fine-tune the output quality with a slider for JPG and WebP formats. Balance between file size and image quality.

Image Resizer FAQ

Common questions about resizing images online

How do I resize an image online for free?

Upload your image to our free image resizer, set your desired width and height or choose a percentage preset (50%, 75%, 150%, 200%), then click Resize. Download the result instantly — no signup or payment needed.

Can I resize an image without losing quality?

When making an image smaller, quality is generally well preserved. When enlarging, some quality loss is inevitable with raster images. For best results when enlarging, use PNG output format and keep enlargements moderate. Our tool uses the browser's high-quality image scaling algorithm.

Does this tool upload my images to a server?

No. Our image resizer processes everything locally in your web browser using the HTML5 Canvas API. Your images never leave your device, ensuring complete privacy and security.

What image formats can I upload and download?

You can upload any common image format including PNG, JPG, WebP, GIF, BMP, and more. For download, you can choose between PNG (lossless), JPG (smaller file size), or WebP (modern web format with great compression).

How do I maintain the aspect ratio while resizing?

The aspect ratio lock is enabled by default (shown as a locked padlock icon). When locked, changing the width automatically adjusts the height proportionally, and vice versa. Click the lock icon to unlock and set custom dimensions independently.

Is there a maximum file size or image dimension limit?

You can upload images up to 50MB in size. The maximum output dimension is 16,384 pixels per side, and the total pixel area is limited to 256 million pixels. These limits cover virtually all practical use cases.

Ready to Resize Your Image?

Upload your photo and resize it to any dimension in seconds — completely free!

Resize Image Now