Some photo filter on snapchat are hidden and nothing on the menu, whether as a gimmick or fad from snapchat developer indeed. Black and white or negative filter is a hidden feature in Snapchat,
How to make snapchat black and white filter?
It is actually pretty easy and quite simple to do, open your snapchat app from your home menu and take a picture you want to filter and type “B&w…” on it, it’s a case sensitive, so type just like that, if you type upper or lowercase, it’s not gonna work.
When the picture turn to Black and white, you can erase the code before and type the caption.
How to make snapchat negative filter?
Just the same as black and white filter, after you take the picture, type “Negative…” and the picture will turn to negative
Now you are already know how to make black and white negative snapchat filter. With this filter trick you just know, will make you a pro snapchat user.