Resize Image Online - Free & Instant
Resize your image to any custom dimension. Supports pixels, centimeters, millimeters, and inches with aspect ratio lock so your image never gets distorted.
How to Use Resize Image
- 1
Upload your image.
- 2
Choose a unit (px, cm, mm, or inch).
- 3
Enter width and/or height.
- 4
Click Resize and download.
Frequently Asked Questions
Will resizing affect quality?
Downscaling is always clean. Upscaling may reduce sharpness slightly - for best upscale quality use our AI Upscale tool.
Can I resize multiple images?
Yes, up to 10 images at the same dimensions.
More Resize Tools
Resize Image by Pixel
Resize images to exact pixel dimensions with aspect ratio lock.
Resize Image in Centimeters
Resize images to exact CM dimensions for print and document use.
Resize Image in Millimeters
Resize images to exact millimeter dimensions for ID photos and print.
Resize Image in Inches
Resize images to inch dimensions for US passport photos and printing.
Resize Image to A4 Size
Resize any image to A4 dimensions (21cm × 29.7cm) for printing.
Resize Image for WhatsApp DP
Resize your photo to WhatsApp profile picture size (400×400 px).