23 Best Free Keyword Research Tools [Updated]


Free Keyword Research Tools

Keyword research is important in ranking your article, blog post, and contents online. You need to understand how the competition is for a particular keyword and what is the monthly search volume for that keyword.
If you want to go manually, then it takes hours of efforts and you might also not get accurate results. Most of the time, you need to go through trial and error method for keywords research and that may or may not work.
So, you need online tools for better keyword research and keyword suggestion. Here I have written about 20 keyword research tools or keywords suggestion tools that might be helpful to find better keywords for you to create contents online.
Let’s take a short look at the list of keyword suggestion tools/ keywords research tools that I am going to discuss.

1. Google Trends
2. Keywords Everywhere (Chrome and Firefox extension)
3. Google keywords Planner
4. UberSuggest
5. Soovle
6. SEMRush
7. Answer the public
8. Keyword in
9. KeywordTool.io
10. Moz keyword planner
11. SerpStat
12. Keyword Revealer
13. LSI keywords
14. Suggestion keyword finder
15. Google Correlate
16. Danzambonini
17. KW finder
18. Spyfu
19. Ahrefs Keywords Explorer
20. Google AutoComplete
21. Google AutoSuggest
22. Related Google Search
23. LongtailPro

These awesome keywords research tools for SEO will boost your website’s organic traffic volume by more than 300% if you could try multiple tools simultaneously. 

1. Google Trends:

If you want to create an article on trending topics, then Google trends are the best option for you. You can easily compare and check whether the traffic on particular keywords is inclining or declining. 
Google trends show the graph of multiple keywords you enter for comparison and you can quickly decide the head keyword for your next content. Another important feature of this keyword tool is that you can find the popularity of those keywords in a particular region.
With region-wise popularity results, you can decide to target your content to a specific geographic location. This tool can be used to find topic ideas for viral content. 
Features of Google trends:
a. Best for creating trendy content.
b. Compare multiple keywords.
c. Location wise search results.
d. It is completely free.


2. Keywords Everywhere:

Keywords Everywhere is a free keyword extension tool that you can install on your Chrome browser and Firefox Browser. This tool shows you the monthly search volume, competition, and CPC for a particular keyword.
Likewise, this free keyword tool suggests more related keywords and key phrases in your search sidebar. With the help of this keyword research tool, you can get all the necessary information about the performance and prospects of a particular keyword.
Features of Keywords Everywhere:
a. Get monthly search volume of any keywords.
b. Know the competition level of any keywords.
c. Get keywords ideas and related keywords to integrate.
d. Find CPC of any keywords.
e. It is completely free.
Install Keywords Everywhere for Chrome Browser or Firefox Browser.

3. Google Keywords Planner:

Google Keywords planner is a section of the Google Adwords tool. You can find unlimited profitable keywords using Keywords Planner. Don’t take it as a premium SEO tool. You don’t need to run any paid campaign for using Keywords Planner. 
Keyword Planner shows the competition level in 3 different ranges; Low, Medium, and High. You always should choose to work only on low competition keywords for faster ranking. High competition keywords are difficult to rank and it requires a lot of long-form content and backlinks.
You can find similar keywords in Google Keywords Planner but you can’t get long-tail keywords. 
Its features include; Checking the competition of keywords, Know the average monthly searches for keywords, unlimited keywords ideas, etc. It is completely free to use. However, you need to have an Adwords account to use this tool.

4. Ubersuggest:

This is one of my favorite tools. This tool helps you to get keywords ideas and suggests keywords ideas for your content. Likewise, using UberSuggest opens a door to sneak into your competitor’s main keywords and by doing so, you can get more content ideas.
It has features of the domain overviewing, keywords overviewing, knowing the backlinks and social shares of your competitors. You can also get the SERP analysis of any keywords or URLs. Similarly, you can know the monthly traffic volume of any of your competitor’s websites/blogs.

5. Soovle:

Here you can find a lot many keyword ideas from a lot of different reference sites. That includes Google, Wikipedia, Amazon, Youtube, Bing, Yahoo, and Answers.com.
If you want to get the metrics from a specific platform, then you can choose from the Engines option. However, you can also get the metrics from all the platforms at once. 
Soovle has the following features:
a. Find all keywords in one single place.
b. Reveals all the metrics like ranking, search, and competition at once.
c. Completely free to use. You don’t even need to log in.
Go to Soovle now.

6. SEMRush:

This is another best SEO tool and my favorite, but unlike others mentioned above, it is not free to use. However, by signing up for SEMRush, you can use some of its useful features for 14 days. To unlock all its features, you need to subscribe to their paid plan that starts with $99.95 per month.
Most of the professional and business bloggers purchase this tool to dominate the online market. There are a lot of other tools in the market but SEMRush is quite cheaper as compared to those.
However, I don’t recommend to use this tool if you are a beginner. When you start generating income from your blog, then you can think of subscribing to their paid plan.
Features of SEMRush:
a. You can check any website’s backlink details.
b. You can check keywords ranking in different search engines.
c. Check the volume of keywords and CPC.
d. Find phrase match keywords.
e. Check your domain analytics.
f. Usable free features after signing up.
Go to SEMRush.

7. Answer the public:

Answer the public generates keywords by combining Google Auto Suggest with question scraper. For instance, when I searched for the keyword, “Start A Blog“, then I got 118 more keyword ideas along with search volume, CPC and competition.
118 keyword ideas mean a lot of keywords. You can download all those keywords in a CSV file and integrate those keywords inside an article.
This SEO keywords tool is completely free where you get long-form keywords.

8. Keyword in:

KeywordIn is one of the best keyword research tools to generate long-tail keywords. You just type in a keyword and it suggests you related long-tail keywords.
Select the match type and enter an optional keyword in the four boxes to get in-depth results. Then click on generate and you will find more key phrases generated for you to create content on.
Its features include:
a. In-depth analysis of keyword and generates long-tail keywords.
b. Phrase match keywords generation.
c. Broad match keywords are generated for long-form content.
d. Completely free tool.

9. KeywordTool.io:

This is also a keyword research tool like KeywordsIn that generates long-tail keywords. But it is available in the paid plan. You can get metrics from Google, Bing, Youtube, Playstore and more other search engines. 
KeywordTool.io shows the monthly search volume, trend, CPC in USD and competition level of that keyword. In order to unlock all the keywords, you need to subscribe to the paid plan.
You can also analyze your competitors and check search volume using this keyword research tool. For all the features, you need to subscribe to the pro plan that starts at $1908 per year for the pro plan.
If you are an App developer, then this tool is very helpful as it also fetches the data from the play store. However, it is better to use other free tools that I have mentioned if your website is article-based.
The features of KeywordTool.io are:
a. Shows more than 500 keywords at a time.
b. Shows long-tail keywords.
c. Finds keywords as fetched from Google, Bing, Youtube, Amazon, Playstore, Twitter, Instagram, eBay.

10. Moz Keywords Explorer:

It is another great SEO tool that analyzes the keywords and gives comprehensive results along with suggestions. You need to create a MOZ account in order to explore keywords and get keywords ideas.
Once the keywords are generated you can save or export the keywords list to your laptop. That way, you can analyze yourself to create content later. 
The features of MOZ include:
a. Keyword research and analysis.
b. Gives keywords ideas in question format.
c. Analyze competitor’s keywords.
d. SERP analysis by keyword.
e. Check domain authority.
f. Check keyword difficulty.
g. Perform competitive keyword analysis.
In order to access all these features, you need to purchase a plan. But you can also sign up and use the free plan.
Go to MOZ.

11. Serpstat:

You can get many ideas regarding keywords by using the SERPstat tool. You can also analyze other websites to check for which keyword they rank for. 
By using this tool, you can get SERP analysis, do PPC research, analyze backlink, find referring domain and pages, analyze domain and check information of your competitor website. To access all these metrics, you need to purchase a plan that starts with $19 per monthly.
Its features include:
a. Check keyword trends.
b. Check keywords difficulty.
c. Check competitors’ graph.
d. Position tracking features.
e. Backlink analysis.
f. Keyword research.
g. Audit your site.
h. Analyze your competitor.
Go to SERPstat now.

12. Keyword Revealer:

A keyword revealer is a good keyword research tool. It shows you keywords for your topic and keyword ideas for your head keywords. This tool comes under free as well as paid plan. 
You can access features like checking keywords difficulty, social presence, and engagements, keywords search trends, competitive keyword analysis, etc. Under the free plan, you can access limited features like 3 keyword research per day, 50 daily keyword suggestions, 7 daily evaluations and some more which are enough for beginners. 
The paid plan unlocks more features like saving your projects, saving keywords, finding exact matching domains, bulk keywords uploading and others. The paid plan starts at $9.97 per month.
Go to Keyword Revealer now.

13. LSI keywords:

This is another best keywords suggestion and research tool. You need to enter some keywords and it will suggest you keyword ideas and key phrases to create content on. It suggests you more than 10,000 keywords along with search volume, CPC and competition level of those keywords.
You need to add related SEO keywords in your blog post so that you can rank on those additional keywords too. So, the LSI keywords toll is one of the best keyword research tools.
However, you cannot access all those features in the free plan. But, the necessary features for a beginner blogger are available in the free plan. 

14. Suggestion Keyword Finder:

LSI Keywords Finder is a free keyword research tool. It suggests your long-tail keywords. There are three levels in this tool where level one shows you short keywords while level two and three show you long-tail keywords. 
Go to LSI Keywords Finder.

15. Google Correlate:

Correlate is a free tool by Google where you can find and know the popularity of keywords. Likewise, you can also get the related keywords for your head keywords in Google Correlate.
The popularity of keywords is shown in a graph and you can check country-wise metrics of those keywords. As it is a program by Google, it is completely free.
Go to Google Correlate.

16. Danzambonini:

Danzambonini is a simple and easy keyword finder free tool. Just enter your head keywords and it will provide you with long-tail keywords suggestions. 

17. KW Finder:

KW Finder has a pretty simple and easy interface. It is not actually a free keyword tool but you can use its free features. It generates keywords from the Google Autocomplete algorithm. Also, you can get keyword suggestions in question format.
You can check the keywords trends using this tool. You can also check the keywords used in other websites and find how they are ranking.  Along with the keyword graph, KW Finder also reveals the level of SEO difficulty.

18. SpyFu:

SpyFu helps you sneak into your competitor’s strategy. Moreover, we use this tool to get free keywords. You can check the global ranking and organic ranking history of any keyword using this keyword research tool. But, you need to subscribe to one of its pro plans to use all features. You don’t get much in the free plan.
Some major features of SpyFu are:
a. You can check the monthly local search volume.
b. Check the global search volume of a keyword.
c. Find SEO keyword ranking difficulty.
d. Get related key phrases.
e. Check the organic ranking history of a keyword.
f. Analyze organic search ranking of keywords.
Go to SpyFu.

19. Ahrefs Keywords Explorer:

Ahrefs is one of the best SEO tools that help to increase your organic traffic and spy on your competitor’s website or blog.
Using this tool, you can find how your competitors are ranking a particular post on search engines, on what keywords are they ranking, their backlink details and many others. Learning all those metrics, you can always make your own strategy and apply on your content to rank your own post.
Some major features of Ahrefs are:
a. Competitive Analysis
b. Keyword Research
c. Backlink Research
d. Content Research
e. Rank Tracking
f. Web Monitoring
Go to Ahrefs.

20. Google AutoComplete:

Google AutoComplete is a completely free tool that helps you to find long-tail keywords for any head keyword. You just need to type in your seed keyword and let Google do the rest.

21. Google AutoSuggest:

This is something you need to work on manually. In the Google search box, whenever you start typing something, then it will automatically suggest the next phrase or keyword. That means people are also searching for those keywords and Google wants you to create content on those keywords.
Just go to Google search and start typing in the search box. Google AutoSuggest will start adding the phrases.

22. Related Google Search

Another manual technique to get keywords. Whenever you finish something on the Google search engine, you will find more keywords at the bottom of the search page.
These are related searches for your keyword search. You can create content on those related keywords. Nobody knows better than Google. Try it once.

23. LongtailPro

This tool is very useful in finding long-tail keywords. Long-tail keywords are vital to get your posts ranked because long-tailed keywords are targeted keywords.
It works similar to that of Google Keywords Planner. This tool comes with a lot of specialties like Keyword competitiveness score, Profitability of keywords calculation, sorting and tracking, etc.
It is not a free keyword research tool but you can get seven day’s free trial once you sign up with your details.
Which one of these tools is your favorite? Which tool were you already using? Please comment below.
Did you find this article useful? Then please share this on your social profile. 

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