You can’t dodge the tax reaper but you can at least cast a field from the fourth dimension around his shoes. As any topologist knows, in the fourth dimension, no knot can stay tied, thereby causing the reaper’s laces to unravel and make him trip and slow down to retie his shoes.
Go here for an IRS.gov page chock full of info on extending your filing deadline. As they warn, this only delays the time you need to send in your taxes; your timeline for payment remains the same.
Most people will just need form 4868, for individuals.