Keyword Tool Recommendation needed!!

[Sang]

Hello,
Have you guys used keyword tools to search your keywords? I am looking for the best one to use as there are too many when you search and I would like to know if you personally used any and how was the result based on those keywords in terms of your ranking later on were you satisfied with the results?

[Sunspot144]

merchantwords. Their results are relevant to your search and will convert. For tried and true keywords use keywordinspector and search for your items and corresponding ASIN on amazon.