Image Resizer

Resize images online for free. Set custom dimensions, maintain aspect ratio, and adjust quality. All processing happens in your browser — your images are never uploaded.

Drop your image here or click to browse

Supports PNG, JPEG, WebP, GIF, BMP, SVG

100% Private: All image processing happens in your browser. Your images are never uploaded to any server.

How to Use Image Resizer

1Upload or drag and drop your image.
2Set the desired width and height.
3Toggle aspect ratio lock.
4Download the resized image.

Frequently Asked Questions

Is this image resizer free?▾

Yes, completely free. All image processing happens in your browser using the Canvas API. Your images are never uploaded to any server.

What image formats are supported?▾

The tool supports PNG, JPEG, GIF, WebP, and BMP. You can also convert between formats when downloading.

Will resizing reduce image quality?▾

Enlarging images can reduce quality due to interpolation. Reducing size generally maintains quality. Use the quality slider to balance file size and visual quality.

About Image Resizer

Resize images online for free. Set custom dimensions, maintain aspect ratio, and adjust quality. All processing happens in your browser — your images are never uploaded.

NexTool's Image Resizer is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.