All keywords are "good for ranking."
If you mean "which keywords get the most searches", then those tool will help. If it's commercial, as the search numbers go up so does your competition.
Ranking doesn't mean s*** unless you can convert it to sales, clicks, sign ups, subscribers or whatever your goal is
1. Select the match type, country and language 2. Proceed with in-depth filtering
And start refining it one step at a time: – by Relevance
– by Phrase length
– by Volume
– by Competition
– by Value
you can use Search Console to make sense of actual performance. Map your page impressions to organic (or paid) positions and you’ll get a sense of how accurate the Keyword Planner data is for any given term.