Entirely local
Image pixels stay inside your browser.
Image Resizer
Resize images by dimensions, percentage or reference side without distortion.
Your images never leave the browser and are not stored or sent to a server.
Drop images here
Up to 50 MB each. You can also choose or paste an image.
Images never leave your browser. Nothing is uploaded or stored. Animated GIF and AVIF support depends on the browser; animated files use the first frame.
How to resize an image
- 1
Select an image.
- 2
Set dimensions, percentage or a reference side.
- 3
Keep proportions and download the resized image.
Precise high-quality resizing
Responsive interface
Heavy processing runs in a dedicated worker.
Inspectable output
Compare technical details and before/after previews.
Frequently asked questions
Are images uploaded?
No. Selection, decoding, processing and download happen in your browser.
Why can a format fail?
Decoding and encoding support can vary by browser, device memory and image format.
Does processing preserve animation?
No. Animated images are processed from their first decoded frame.