Image
Extract Image Channel
Choose a channel and it is isolated from the image and rendered in grayscale.
Frequently asked questions
Which channels can I extract?
You can extract the red, green, blue or alpha channel, each output as a grayscale image.
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.