Best Free Keyword Research Tools in 2020

1.Ubersuggest
-It provides a complete SEO report to know the competitor's page ranking for keyword.
-You can see search volume, competition,and seasonal trends for every keyword.
-Ubersuggest helps you to understand backlinks having the most impact on your ranking.

Link: https://neilpatel.com/ubersuggest/

2.Answer the Public
-It can find out 1500 PR keywords worldwide.
-This tool provides complete visualization of the data.

Link: https://answerthepublic.com/

3.Soovle
-you can easily switch from one search engine to another.
-It allows you to customize searching options.

Link: https://soovle.com/

4.Instakeywords
-You can export all keywords in single click.
-Instakeywords helps you to find long term keywords.

Link: https://www.instakeywords.com/

5.google Trends
-You can know daily search  and real time search trends.
-Google trends gives year wise statistics.
-It helps you to know the interest of other people at any given time and compare search rank to one another.

Link: https://trends.google.com/trends/?geo=ES

6.keyword Tool Dominator
-It provides real time keyword suggestion.
-You can find hundre of keyword suggestions in lesser time.

Link: https://www.keywordtooldominator.com/

7.KeySearch
 -You can search for five keyword per day.
-It enables you to check the backlink of your website.
-You can track the rank of your website.

Link: https://www.keysearch.co/

8.WordStream
-It provides a result with a competitions score and estimated CPC.
-you can download a keyword list in CSV.
-Wordstream shows the top 10 keywords.

Link: https://www.wordstream.com/keywords

9.Google Keyword Planner
-You can search keyword depending on the phrase that is relevant to service, product, or website.
-Google keyword planner offers a list of average monthly searches.

Link: 

10.Keyword In
-It allowa users to generate keywords for SEO and PPC.
-This tool checks for all possible keyword combinations by performing a single step.

Link: http://keywordin.com/