Best Three free keyword tools i use

SEMSCOOP. COM- Simply type in any basic keyword, and it will return a list of keywords that your competitors are ranking for, along with their search volume and difficulty score. All of them can be exported in CSV format.

UBER SUGGEST - Enter your competitor's domain to get a list of keywords for which they're ranking first.

GOOGLE KEYWORD PLANNER: best tool for brainstorming keyword ideas, but not for high-volume searches.