· 1 SEMrush SEMrush is the best keyword research tool you can use today and is highly popular among SEO experts With SEMrush, you don't just get a list of search terms Instead, you get a world of information about organic and paid keywords that you can use to propel your marketing strategy · 7 Best Keyword Research Tools List 1 Google Keyword Planner One of the best keyword research tools is Google keyword planner that I personally use and recommend, its really easy to use GKP tool Best thing about this tool is it's free and you can directly integrate it with Google AdWords · 2 Keywordio Keywordio is one of the best free tools that shows you the related keywords of all the keywords related to the keyword This will make you easy to research keyword This tool gives you keyword suggestions based on google, bing, youtube, Amazon, eBay, and app store This keyword research tool is a useful keyword research tool 9 Best Keyword Research Tools For Seo Ppc Content Marketing Best keywor...