image
Image Resizer
Resize images to custom dimensions or by percentage without uploading them.
Local processing. The selected image is resized locally in this browser tab and is not uploaded.
Choose one or more browser-readable images under 20 MB each.
Presets set the target aspect ratio. Width stays editable.
Aspect ratio is locked. Editing one side updates the other.
How to use Resize Images
- 1Choose an image file.
- 2Set width and height or use a percentage.
- 3Keep aspect ratio on when needed.
- 4Download the resized image.
Frequently asked questions
Does resizing upload my image?
No. The image is resized with browser APIs on your device.
Can I keep the original aspect ratio?
Yes. Keep aspect ratio enabled and changing width or height updates the other dimension.
What format is exported?
The first release exports resized images as PNG files.
Related tools
Keep working with other private browser-based utilities.