Lock Aspect Ratio
Adjusting either width or height automatically calculates the other dimension without distortion.
Resize Images by Width, Height or Ratio
Change image dimensions easily with aspect ratio locking and anti-enlargement safeguards.
Private by designRuns locally in browserNo signup needed
Apple HEIC photos detected.Open dedicated HEIC to JPG tool →
No images selected. Files stay on your device.
Your images never leave your computer.
Image Well Done executes all image algorithms inside your browser memory. We never transmit your image bytes, metadata, or filenames to a remote server.
How to use Resize Image
- 1Select one or more images you need to resize.
- 2Enter your desired width or height in pixels.
- 3Keep "Lock aspect ratio" checked to maintain natural proportions.
- 4Click "Process images" and download your resized results.
Anti-Enlargement Protection
"Do not upscale" prevents small photos from being stretched into blurry, pixelated files.
Bicubic Smoothing
Applies high-quality browser interpolation for smooth, sharp downsampling.
Frequently Asked Questions
Will resizing distort my images?
Not if "Lock aspect ratio" is checked. The tool scales the width and height proportionally to ensure your image maintains its original shape.
Can I batch resize a whole folder of images?
Yes. You can select dozens of images, and all will be resized according to your dimension constraints.