I used Python to write a program that can encrypt or decrypt any input using a cypher I made a long time ago.
WOOOT boredom.

For example:
Xdmo kq ow isvbkl. Kd blx mbnnyxk kr rrw ql ckyn rtq, blx kxzxyol umtkx. Kd blx xotgj ow wkvzytt vm lwkqxzmj xdmo, blx wqgg. Kd J kwza blx weh wkvzytt vm lwkqxzmj xdmo, blx ehwk wqgg.