Developer
Browser-based
Image Resizer
Resize images to exact dimensions in your browser and download the result.
Images are resized locally on your device and are never uploaded.
How to use Image Resizer
Use Image Resizer when you need a quick developer utility without installing software or creating an account. Enter your values or text in the tool above, review the instant result, then copy or save the output when the tool supports it.
- Works directly in a modern browser on desktop or mobile.
- Designed for fast repeat use from the root URL
/image-resizer. - Input stays in your browser unless a tool clearly says otherwise.
Features
- Resize JPG, PNG, and WebP images
- Keep aspect ratio option
- Choose output format
- Preview resized image
- Download instantly
Use Cases
- Creating website thumbnails
- Preparing social media images
- Resizing screenshots
- Reducing oversized images before upload
Frequently Asked Questions
Does the image leave my computer?
No. The image is processed locally in your browser.
Can I keep the aspect ratio?
Yes. Keep aspect ratio is enabled by default.
Can I export as WebP?
Yes, if your browser supports WebP canvas export.
Will resizing reduce quality?
Downscaling usually reduces file size; quality depends on output format and dimensions.