Keyword Research can be effectively done with paid and free research tools. As your business and marketing strategy expands, free tools might not stay of much use. However, they are great to use for bloggers, small agencies and businesses that have a limited keyword research requirement. Here are 5 best free Keyword Research tools for SEO   1. Ubersuggest 2. Keyword Surfer 3. AnswerThePublic 4. Ahrefs Keyword Generator 5. SEMrush Keyword Magic Tool