About the Image Resizer tool
Image Resizer changes the dimensions of your picture to the exact width and height you need. Lock the aspect ratio to avoid stretching, or turn it off for a custom fit. Whether you are preparing a thumbnail, a profile photo, or a banner, the Image Resizer handles it in your browser with no uploads.
How to use the Image Resizer
- Upload the image you want to resize.
- Enter a new width or height in pixels.
- Keep aspect ratio checked to scale proportionally.
- Click Resize & Download to save the new image.
Features
- Resize by exact pixel width and height.
- Aspect-ratio lock prevents distortion.
- Shows the original dimensions instantly.
- Processed locally for full privacy.
- Free, no watermark, no account.
Your privacy
The Image Resizer runs entirely inside your web browser. Your files and text are never uploaded to any server, so your data stays private on your own device — just like the workflow trusted on sites such as iLovePDF and Sejda, but with nothing leaving your computer.
Frequently asked questions
Will resizing keep the image sharp?
Shrinking stays sharp; enlarging beyond the original size can look soft, as with any resizer.
What format is the output?
Resized images are saved as PNG to preserve quality.
Is my image uploaded?
No, the Image Resizer works completely inside your browser.