14 Best Free Keyword Research Tools 2021

Find profitable and high traffic keywords for your content by using these free keyword research tools


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Free Keyword Research Tools


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Whenever it comes to SEO, keyword research is an extremely important part of the process.

Without doing proper keyword research, you will not be able to generate a decent amount of traffic for your website. Or it will take longer than if you do it with proper keyword research.

However, when it comes to keyword research tools. Most of them are not available free of cost. So in case if you are looking for some of the best free keyword research tools, this article is for you. While some of these tools are completely free, some offer a free plan with limited features.

We have handpicked the Best Free Keyword Research Tools that will help you to find profitable keywords.

So let’s just head into the topic without wasting much of the time:

01. Google Keyword Planner

We are sure that you have heard of Google Keyword Planner. It is one of the best keyword research tools available out there, and you can use it free of cost.

To get started with Google Keyword Planner, you will need to have a Google Ads account which is not too hard to create.

This tool is basically created for the Advertisers who use Google ads for their marketing campaigns. But the good part is that publishers like you can also use it as well.

The tool is located under the Tools section and using it is extremely easy. All you need to do is, enter a keyword or URL and get started with it.

After that Google Keyword Planner will offer you a bunch of suggestions along with search volume and CPC.

Google Keyword Planner

02. Google Autosuggestions & Questions

While you are planning to create a piece of content around any topic, you can use Google SERP for your keyword research. You can write a small section of your targeted keyword and Google will show you the kind of keywords that users are searching for around the keyword you are planning to target.

For example, if you are going to write a piece of content around “How to Lose Weight” you can use the Google Suggestion to find the kind of keywords people are searching around this topic, and then you can decide your long-tail keyword for the topic. Also, you can use those keywords within your content so that you can rank for all those related keywords.

Google Keyword Suggestion

Similarly, you can make a search with your seed keyword and find the kind of questions users are asking around the topic and then you try and answer those questions in detail through your article.

Google Questions for keyword research

03. Google Trends

First of all, let us clear the fact that Google Trends is not a keyword research tool. And before you question us about it, let us mention that it is still useful.

We agree with the fact that Google Trends was not designed to keep SEO in mind. But it still plays an important role in keyword research.

For example, you have found a great keyword with amazing search volume and high CPC. But do you know the fact that if people are still searching for it?

Like a few years back a product could be very popular, and it had a high search volume. But in the present time, it may not have as much craze as it used to have. And to figure that out, you can use Google Trends.

In Google Trends you can simply enter a keyword and check if people are searching for it or not. If the keyword has no activity, it would be a good idea to move on.


04. KeywordTool.io

Next, we have the keywordtool.io. This is also one of the best free keyword research tools available out there. The best about this tool is that it lets you search for long-tail keywords.

This tool uses Google Suggest API to compile a list of all the possible keyword research tools.

It offers you a long list of long-tail keywords. However, the thing with the free version of the Keyword tool is that it does not offer you much information. Like the search volume, CPC, and keyword difficulty. Instead, it only offers you a list of the related keywords.

Using this tool is also extremely easy. You will need to enter your main keyword and search for it. But for some extra features, you will need to purchase their plan.


05. Semrush Keyword Research Tool

Semrush is a popular SEO and marketing analysis tool. While Semrush is a premium platform, it offers you free option to use the tools with daily limitations.

They offer a very powerful keyword research tool called the Keyword Magic Tool that you can use with the daily limitation to find profitable keywords for your content with all the important data like total search volume, keyword difficulty to understand how easy or difficult it is going to be for ranking those keywords.

You can simply make a search with the Seed Keyword that you are planning to work on and the Keyword Magic Tool will instantly offer you all the possible related keywords that you can work on or add to your content body in order to make your content strong in terms of SEO.

Alsom don’t miss our article about the best Semrush alternatives to find the tool tools for SEO and keyword research.

Keyword Magic Tool Detail

06. QuestionDB

As search engines like Google is tuning it more and more towards user search intent, the questions asked by users around the internet has become very important for the content publishers. Whatever niche you are in, you will find tons of questions on leading Q & A platforms that you can work on and provide detailed answers through your content.

More comprehensive your answer is the better you rank. So, you must keep an eye on all the questions that users are asking around the topis that you cover on your blog.

QuestionDB is one such platform that helps you to find the relevant questions that users are asking around any topic. They have a massive database of questions around almost every topic.

You can start using the platform for free when you start your keywords research. The free plan offers you 50 questions for every topic search which is a good number of get started.

You are sure to find some valuebale content idea for your blog topic on this platform.


07. Ubersuggest

Ubersuggest is also one of the best freemium keyword research tools that one can use.

The best part of this tool is that it offers you all the data that you expect from a keyword research tool. And you can use it for yourself.

Using the tool is also super easy. All you need to do is enter a focus keyword, and after that, it will bring up all the keyword suggestions.

Along with that, you will get information like Keyword Trend, CPC, Search Volume, PD, and so on.

You can also, check out their keyword ideas tool where you can find both short-tail and long-tail keywords along with all the necessary data. Plus, there is no account registration required to use the tool.


08. AdWord & SEO Keyword Permutation Generator

Up next we have a tool that will help you to mix up keywords and generate the perfect combinations. This one is also one of the best free keyword research tools that you can try. However, using this tool may seem a bit complicated to you.

As it has three boxes where you have to enter different keyword phrases. But the good part is that it lets you go creative. You can fill all the boxes with different keyword phrases. And then you can hit the “Generate Permutation” button. And it will offer you a bunch of keywords.

Although, the tool does not offer data like search volume, CPC, or keyword difficulty. But it is overall a good tool to find some long-tail keywords.


09. Scout Suggest

Scout Suggest by SEO Scout is a very handy free keyword research tool that you can use to find numerous blog post ideas just by entering your seed keyword.

The tool is very easy to use. All you have to do is to add the seed keyword and the tool will quickly find all the questions that users might be asking around that topic.

However, it does not offer you any information like search volume, CPC, or keyword difficulty. Overall, you can use this tool for LSI keywords.

Scout Suggest

10. Soovle.com

You can also try out Soovle.com. This one is also one of the best free keyword research tools available out there.

This tool fetches data from different sources like Google, Bing, YouTube, Wikipedia, Amazon, and others to list down a bunch of keywords.

You just need to type the keyword and as you start typing the tool will bring up the related keywords for your main keywords.

These keywords are the long tail and can be used as LSI, or you can search those keywords individually and rank them.

Also, just like most keyword research tools, it does not offer you any data related to the keywords. But overall, it is definitely a must-try tool if you are looking for long-tail keywords.


11. WordStream Free Keyword Tool

In the end, we have the WordStream Free Keyword Tool. This is another very useful free keyword research tool available on the web. Using this tool is also super easy, and it is quite similar to Ubbersuggest and Keywordtool.io.

In this tool, all you have to do is enter your main keyword then choose an interest and the focused country. After that, it will bring up all the keyword suggestions.

However, it does not offer you data like keyword search volume, CPC, keyword difficulty, and others.

To get those details you can either join their trial or purchase their plan and check how the WordStream Free Keyword Tool is working for you.


12. Wordtracker

Wordtracker is a popular keyword research tool that has been around for a long time. While it is a premium keyword research tool, it offers you a few daily free research options that you can use to find profitable keywords.

As you make a search with the primary keyword, the Wordtracker system will analyze and offer you all related keywords that you can work on with some important data.

It shows you historical trend for all the kwyords, the total search volume, the difficulty level to rank so that you can make an informed decision while you wok on your content.

Wordtracker Keyword Research

13. AnswerThePublic

AnswerThePublic is another popular keyword research tool that you can use to find related keywords around your seed keyword.

While the platform is paid, it does offer a free version that is good enough to find some useful keyword around the topic you want to target.

As you make a search with your primary keyword, it will show you all the questions and related key phrases, once you click on any of these it will take you to Google to check the kind of sites that are ranking for those questions and phrases.


You can consider this as the starting point. You can then make a list of all those sites so that you can find all the top keywords those sites are ranking for.

Use Semrush to do a detailed competitor analysis to find the top pages of those sites, the overall keywords and the complete backlink profile so that you can plan your content & backlink strategy accordingly.

14. YouTube Auto Complete

While YouTube is the largest video hosting site, it is also one of the biggest search engine where you can find video content around almost all topics.

Like Google, YouTube also offers you the auto complete feature to help you find the most popular search that other users are looking around any subject.

You can use this feature to find new keywords to work on. It will give you new content idea that you can work on.

You can start by typing any keyword and the YouTube search option will instantly display all the related searches.

YouTube auto Complete

FAQs About The Free Keyword Research Tools

Q1. What is Keyword Research?

Keyword research is the process of finding the best keywords for your niche that users are searching for. It is s very important process of the overall search engine optimization so that you target the right keywords through your content.

Q2. What Are The Best Free Keyword Research Tools?

There are several tools that you can use for doing keyword research. Here are some of the top free options

  • Google Search Console.
  • QuestionDB.
  • Google Keyword Planner.
  • KeywordTool.io.

Q3. Can I Use Semrush Keyword Research Tool for Free?

Yes, you can but with limitations. You can use their Keyword Magic Tool for free to make 10 daily searches.

Q4. Is It Important to Do Keyword Research?

Yes, it is. If you don’t do proper keyword research you will never know that if you are targeting the right keywords for your brand or not. Also, you will not be aware of the kind of traffic you are potentially going to receive through your content.

Final Words

So those were the Best Free Keyword Research Tools that you must try.

And some of them offer you a limited search for each day. So go ahead and try them out and see which one of these free keyword research tools working the best for you.

Also, if you have any more questions, feel free to let us know by leaving a comment.

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