Best Free Online Image Resizer
Resizing images is one of the most common tasks in web development, graphic design, and content creation — whether you are preparing thumbnails, scaling images for social media, or reducing dimensions before upload. devtoolkit.sh's Image Resizer lets you set exact pixel dimensions or scale by percentage, with an option to maintain aspect ratio automatically to avoid distortion. It supports JPEG, PNG, and WebP and processes multiple images in a single session. All resizing is done client-side in your browser, so image files are never uploaded anywhere. The output image can be downloaded immediately in your chosen format.
FAQ
- How do I resize an image without distorting it?
- Enable the "maintain aspect ratio" option. When you set the width, the height is calculated automatically to preserve the original proportions.
- Can I resize multiple images at once?
- Yes. The tool supports batch resizing — add multiple images and apply the same dimensions to all of them in one step.
- What is the difference between resizing and compressing?
- Resizing changes the pixel dimensions of the image. Compression reduces file size while keeping the same dimensions. You can do both to get the smallest file at the smallest size.