PNG optimiser

Shrink PNGs without uploading them anywhere — optimisation runs entirely in your browser. Lossless by default, so screenshots stay pixel-perfect for blog posts.

Drag and drop PNGs here

Compression Lossless — identical pixels, just better compression Near-lossless — reduces to 256 colours; usually indistinguishable for screenshots and much smaller

Resize (optional)

No resizing Fit within a maximum size Scale by a percentage

Images are only ever made smaller — anything already within the limit is left alone.