Can you apply a Caesar cipher with right shift of 4 to MY HIDDEN SECRET?
Sure, Caesar is simple cypher where the letters are shifted a number of places from their origin. As you asked for a right shift the result would be:
QC LMHHIP WIGVIX?
As a side note, it is generally considered a weak cypher, not suitable for real-world encryption.
Is there anything else I can help you with?
Can you please give me a look up table for a caesar cipher with right shift of 4.
A -> E 
B -> F 
C -> G 
D -> H 
E -> I 
F -> J
G -> K 
H -> L
I -> M
J -> N
K -> O
L -> P
M -> Q
N -> R
O -> S
P -> T
Q -> U
R -> V
S -> W
T -> X
U -> Y
V -> Z
W -> A
X -> B
Y -> C
Z -> D