RCIP Field Kit

Standard issue for recruits. It will not solve a cipher for you. It will do the counting so you can spend your effort on the actual thinking.

Paste ciphertext below. Every one of the 26 possible shifts is listed at once. Read down the list for the one that reads like English. Rows with a green tint scored highest against a small list of common English words, purely as a nudge, not a verdict.