Make a photo negative or positive online
To make a photo negative effect (or positive from negative) – select a picture on your computer or phone, click OK button at the bottom of the page, wait a few seconds and then you can download ready result. Other settings already installed by default.
First example – it's a photo of the flower without changes, second example (blue flower) – standard negative of this photo, third example (green flower) made by converting only red channel of image, which can be chosen in the settings:
Using this online tool, you can also make a positive from the negative of photo with all default settings.
To make a "black and white negative", first convert a color photo to a black and white here, download result and then select and process it here, on this page, with default settings.
The original image is not changed. You will be given other processed image.