Image Tools
Image Resizer
Resize images online with Tool Base. Set width and height, keep aspect ratio when needed, preview dimensions, and download the resized image.
How to Resize an Image
Step 1
Upload Your Image
Choose an image from your device.
Step 2
Set Width and Height
Enter dimensions and optionally keep aspect ratio.
Step 3
Download the Resized Image
Save the resized file.
Image Resizer Features
- Custom width and height
- Maintain aspect ratio option
- Preview expected dimensions
- Works with common image formats
- No account required
Supported Image Formats
Input formats
- JPG
- JPEG
- PNG
- WebP
Output formats
- JPG
- PNG
- WebP
Supported formats
- JPG
- JPEG
- PNG
- WebP
Frequently Asked Questions
What does maintain aspect ratio do?
When enabled, changing one dimension automatically updates the other to keep proportions.
Will resizing reduce quality?
Enlarging can look softer. Shrinking usually looks cleaner. Tool Base does not invent detail.
Which formats can I resize?
JPG, PNG, and WebP are supported.
Related Image Tools
Explore related Tool Base utilities that pair well with Image Resizer.
Image Compressor
Reduce image file size while balancing quality.
Image Tools
Image Cropper
Crop images to the exact area or ratio you need.
Image Tools
Image Quality Changer
Adjust encoding quality for JPG and WebP images.
Image Tools
Circular Image Cropper
Crop images into a circular cutout with transparent corners.
Image Tools
JPG to PNG
Convert JPG and JPEG images to PNG format.
Image Tools
Need another utility?
Browse related tools or explore the full Tool Base directory.