Image Resizer Online
Resize an image online to exact pixel dimensions for CMS requirements, thumbnails, or social platforms. Type a width or height and the other side follows the original aspect ratio when the lock is on.
Drop your file here or click to browse
Accepted: image/*
How to resize an image online
- 01Open the image resizer and upload a JPG, PNG, or WebP image to see its original dimensions.
- 02Enter a new width or height - with the lock on, the other side follows the ratio.
- 03Click Resize and download the resized image.
Resizing features
Keep proportions automatic: change width and height recalculates, so portraits never get squashed.
Canvas resampling with high smoothing quality keeps downscaled images crisp instead of jagged.
PNG inputs stay PNG for lossless resizing; photos output WebP for smaller files.
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Frequently asked questions
How do I resize an image online?+
Open the image resizer, upload a JPG, PNG, or WebP image, enter a new width or height with the aspect-ratio lock on, then click Resize and download the result.
Can I resize multiple images at once?+
This tool processes one image at a time. For batches, run each file - it only takes seconds per image.
Will resizing reduce quality?+
Downscaling keeps sharpness well. Upscaling adds pixels but cannot add real detail, so avoid enlarging beyond 2x.
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