Image Resizer
Upload an image, set the target width (height adjusts proportionally) and download it in the format you prefer: lossless PNG, JPEG or WebP with adjustable quality.
Source image
Export
Upload an image to resize and download it.
How to use: Resize image
- 1Choose the image you want to resize.
- 2Enter the width in pixels: the height adjusts proportionally.
- 3Pick the format and quality, then download the result.
What is it for?
- Shrink photos before uploading them to a site or emailing them.
- Prepare images for social media.
- Convert between JPG, PNG and WebP.
Resizing images for the web
Real size versus displayed size
Uploading a 4000 px photo to show it at 400 px wastes data. Resize to at most twice the displayed size for high-density screens.
Format and quality
JPEG suits photos, PNG graphics with transparency, and WebP or AVIF offer better compression. A quality of 75–85 % is usually indistinguishable from the original.
Aspect ratio
Keep the aspect ratio so the image is not distorted; if you need a different framing, crop instead of stretching.
Related tools
Frequently asked questions
Does quality suffer when resizing?+
When shrinking an image, good quality is kept if you use PNG or high-quality JPEG. Shrinking removes information without compromising visible sharpness.