Image Resizer
Resize images by width and height.
Drag & drop images here or click to select
How to Use the Image Resizer
-
Upload Images
Drag and drop your images into the upload area or click to browse your files.
-
Choose Resize Method
Select how you want to resize:
- By Pixels: Set exact width and height
- By Percentage: Scale by percentage
- By File Size: Target specific file size (e.g., under 100KB)
-
Adjust Settings
Customize additional options:
- Lock aspect ratio (🔒) to maintain proportions
- Choose compression quality
- Set background color for transparent PNGs
- Use presets for common sizes
-
Process & Download
Click "Resize Images" then "Download" to save your optimized images.
Frequently Asked Questions
We support all common image formats including JPG, PNG, GIF, and WebP. The output will always be in JPG format unless you're working with transparent PNGs.
There's no hard limit, but for performance reasons we recommend processing no more than 20-30 images at a time, especially if they're large files.
Our algorithm first reduces image quality while maintaining dimensions, then if needed reduces dimensions to reach your target size while preserving as much quality as possible.
No! All processing happens in your browser. Your images never leave your device, ensuring complete privacy.
When resizing PNGs with transparency, you can set a background color in the options. If you want to preserve transparency, make sure to leave the background color empty (transparent).