Image Compressor

Compress with the MozJPEG / WebP / OxiPNG encoders from Squoosh — smaller than the browser built-in encoder, with a draggable quality comparison

Everything runs in your browser. Your images are never uploaded to any server.

Drop an image, or click to choose

JPG, PNG, WebP and more, up to 40 megapixels

Choose image

Encoder

Quality78

Lower means smaller files and more visible loss. 70–85 is usually a good balance.

Progressive JPEGShows a blurry preview first, then sharpens — nicer while loading

Transparent fill

JPEG has no alpha channel, so transparent pixels are painted with this color

Max edge

Keep 0 or pick “Original” to preserve the size. Anything larger is scaled down proportionally.