Free Online Image Resizer Tool
Resize by dimensions (pixels) OR target file size (KB). Perfect for social media, email, and websites.
Upload Your Image
Click to browse or drag and drop
Supports: JPG, PNG, GIF, BMP, WebP (Max 20MB)
Size Comparison
Processing image...
Recommended KB Sizes for Different Platforms
Max 500 KB
100-200 KB
200-300 KB
Website
50-200 KB
How to Resize Image?
Upload Image
Click upload area and select your image (JPG, PNG, GIF)
Choose Resize Mode
Resize by dimensions OR target KB size
Download
Click resize and download your optimized image
Frequently Asked Questions
How to resize image to exact KB?
Switch to "Resize by KB" mode, enter your target size (e.g., 100 for 100KB), and click resize. Our tool automatically finds the best quality to achieve that file size.
Is this image resizer really free?
Yes, completely free! No hidden charges, no registration required. You can resize unlimited images.
What's the maximum file size?
You can upload images up to 20MB. For KB resize, target size can be up to 5MB (5120 KB).
Will my images be secure?
All processing happens in your browser. Images are never uploaded to any server, ensuring complete privacy and security.
Can I maintain aspect ratio?
Yes, in dimension mode you can lock aspect ratio. When you change width, height automatically adjusts to maintain proportions.