Image Compressor
Compress an image to JPEG or WebP. The file stays in this browser.
JPEG and WebP use the quality slider. A canvas cannot run a true PNG optimizer.
How to compress an image
1. Choose an image.
2. Set the quality. Lower numbers make a smaller file and a rougher picture.
3. Choose JPEG or WebP and download the result.
JPEG, WebP, and PNG
JPEG and WebP throw away detail to get smaller. WebP depends on the browser being able to save that format. PNG from a canvas is a re-encode, not a dedicated PNG compressor, so a PNG may not shrink.
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