The short version : De rien.
More polite, if you are quite familiar : Je t'en prie.
And the polite version if you don't know the person : Je vous en prie.
Alternative : Avec plaisir. (My pleasure.)
"Goodbye" translates to "revoir" in French."Welcome" translates to "Bienvenue" in French.
In Cajun French, you would say "bienvenue" to mean welcome.
English : Welcome to Louisiana! French : Bienvenue en Louisiane!
Bienvenue.salut
Bienvenue
Bienvenue
In French Patois, you can say "Bienvenue" to mean welcome.
"Welcome to the library" in French is "Bienvenue à la bibliothèque."
de rien
híeto Your Welcome
"Welcome to my" in French is "Bienvenue chez moi."
"Bienvenue" is the French translation of "You're welcome."