Image
Reduce Image Noise
A median filter replaces each pixel with the median of its neighbors, removing digital noise without overly smoothing edges.
Frequently asked questions
Why use a median filter instead of a blur to remove noise?
A median filter removes speckle noise while keeping edges sharp, whereas a blur softens the whole image including the details.
Is this tool really free?
Yes — completely free, with no sign-up, no ads and no artificial limits.
Are my files kept or shared?
No. Processing happens on our servers, then the file is deleted immediately and an automatic cleanup removes any residue. Nothing is stored or sold.