Upload an image, specify the width (px) and download the resized image.
What is image resizing?
Image resizing is the process of changing the dimensions of a digital image while maintaining quality. It's essential for web optimization, social media posts, and storage management. Resizing helps reduce file size and improve loading speeds without losing important visual information. Learn more about image processing techniques.
How to use the Image Resizer tool?
- Upload your image by dragging it to the drop area or clicking to select
- Enter the desired width in pixels (e.g., 800)
- Enable 'Maintain aspect ratio' to preserve image proportions
- Click 'Resize and download' to get your resized image
Common use cases for image resizing
- Optimize website images for faster page loading
- Prepare social media posts with correct dimensions
- Reduce file size for email attachments
- Create thumbnail images for galleries or previews
- Resize screenshots for documentation or presentations
Frequently Asked Questions
When resizing down (making smaller), quality usually remains good. When upsizing (making larger), quality may decrease and appear pixelated. Always resize from the original high-resolution image.
WebP offers the best compression with quality, followed by
JPEG for photos and
PNG for images with transparency. Use our
image converter tool to change formats.
Yes! All image processing happens 100% in your browser. Your images never leave your device and are not stored on any server.