Image Resizer — Resize Photos by Pixels or Percentage Online
Free online image resizer to resize photos by exact pixels, percentage, or preset dimensions. Maintain aspect ratio or crop freely to fit your needs. Perfect for social media, websites, and printing — 100% client-side.
Click or drag & drop your image
Images only
How to Use Image Resizer
Upload an Image
Drag and drop an image or click to browse from your device.
Choose Resize Mode
Select pixel dimensions, percentage scale, or a preset size.
Set Dimensions
Enter width and height. Lock aspect ratio to maintain proportions.
Resize and Download
Click Resize Image, then download your resized image in the chosen format.
FAQ
Yes. Switch to Percentage mode to resize by a percentage of the original dimensions.
When locked, changing one dimension automatically adjusts the other to maintain the original proportions.
Yes. Choose from presets like HD, Full HD, 4K, Instagram, Facebook, Twitter, avatar, and more.
Resizing to smaller dimensions reduces detail. The quality setting also affects the output file size and appearance.
Fit Mode controls how the image is fitted into the specified dimensions — such as contain, cover, or fill.
You can save the resized image as JPG, PNG, WebP, or other supported formats.
Yes. Your image never leaves your device — 100% local processing.
Try an Example
Instagram Square
Resize a photo to 1080×1080px for Instagram square posts.
Dimensions: 1080×1080 · Aspect ratio locked
A perfectly cropped 1080×1080 square image ready for Instagram.
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