For photography, you can make the lighting a little less in tense by placing a coffee filter in front of the lens. This use is best for close ups.
If you have a bottle of wine with a broken cork you can strain the wine with a coffee filter. Just make sure you have somewhere to pour the wine.
Most people use paper plates all the time, but what about paper bowls. Coffee filters act as great disposable bowls. You can put popcorn or other dry food in them.
Place a coffee filter over a bowl or plate of food that you’re heating up in the microwave. It will keep more in near the food and heat it faster.