The Egyptian has been in fine form this season, after joining the club from Roma in the summer.
Klopp's side already have one foot in the quarter-finals of Europe's premier cup competition after they trashed Porto 5-0 in Portugal in the first leg of their last-16 clash, while the Reds are now third in the Premier League table.
"The level he is playing at, at the moment, he is one of the best players in the world - and I think he can and will get even better", he told reporters, as quoted via TalkSport.
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Aston Villa full-back and Egypt worldwide Ahmed Elmohamady has urged his compatriot Mohamed Salah to remain at Liverpool until the end of next season "at least", as interest in the fearsome forward grows with each passing performance. "And I think he can and will get even better".
Salah's efforts this season have helped to keep Liverpool in the mix for a top-four finish in the Premier League.
"He is one of those players who can make the difference in the big games", added Totti. He is now the club's top scorer in the league with a total of 22 goals, just a goal short of the Premier League's top scorer, Harry Kane.
Having scored 30 goals and set up 10 for his new colleagues on Merseyside, Salah has been branded world class and is rivaling the likes of Harry Kane, Lionel Messi and Neymar for the title of Europe's most prolific goalscorer this term.
"There are more complete teams in the competition - but when you have a player like him, you start to believe anything is possible".