Batch Image Resizer
Resize hundreds of images in one click. Set custom dimensions or scale by percentage — all processed in your browser.
Drag & Drop images here (up to 50)
JPG / PNG / WebP
Frequently Asked Questions
Upload all your images to UpscaleFast Batch Resizer, set your target dimensions (pixels or percentage), and click Resize. All images are processed simultaneously in your browser.
No! The batch resizer runs 100% in your browser. Your images never leave your device, making it completely private and instant.
You can resize hundreds of images in a single batch. Since processing happens in your browser, there is no server-side limit.
Yes. You can set a target width and the tool will automatically calculate the height to maintain the original aspect ratio, or vice versa.
Yes, completely free with unlimited usage. Since it runs in your browser, there are no credits or daily limits.