Free Keyword Research Tools & How to Use Them on Your Site

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Are you looking for some free keyword research tools that will help you have a fresh look at your SEO content? You will be amazed by the diversity of tools that you can use for keyword research. Explore these ones, I bet you’ll choose five or something to add to your daily arsenal of SEO tools.

Google Search Console

Google Search Console is the most popular free keyword research tool that every marketer knows of. Here you can find those keywords that your site already ranks for.

Go to Search Performance > Search Results, and see Impressions. The Console shows the average position for each keyword you rank for, how many impressions and clicks you get from organic search. The tool allows filtering up to 1000 keywords, but the point is to focus your effort on those key terms that have a large potential to rank higher. So inspect your keywords and optimize pages better for the first top 20 positions or so.

Free keyword research in Google Search Console
Keyword research dashboard in Google Search Console

Google Trends

Google Trends is a great free keyword research tool that shows an overview of how a key phrase performs on Google. It illustrates keyword data with beautiful visualization graphs and maps. This is a nice tool to capitalize on rising trends and hot topics. You will see which queries are seasonal, or sparked by certain events. You can check out what has come in trend recently, or how the keyword performance has changed over a time range.

In Google Trends, you can see interest scores by locations and by various web search channels. You can change the channel from the drop-down menu to see results from YouTube, and also trends from Google Shopping, Google Images, and News. You can compare keyword phrases, and analyze what related topics and queries have formed a certain trend.

Keyword research dashboard in Google Trends
Topic comparison in Google Trends

Google Suggestions

Google is one of the most insightful free keyword research tools, taken that billions of people use it. The search suggestions vary by the search method.

The Google Autocomplete feature is a simple and straightforward tool to generate long-tail keywords: these are the most popular queries that searchers type into the Google search bar.

The principle for Related Searches or Similar Searches is that Google’s AI identifies topics, narrows a topic, or suggests a variant that would probably bring you better results.

You can check this with Google Images where you will see labels narrowing the topic to smaller search result groups. The tool may give you some more keyword ideas for intersecting topics.

Find keyword ideas with Google Images, Google Suggestions and Google Autocomplete
Keyword research with Google Images

People Also Ask

Special attention goes to the People Also Ask box where you get endless questions for your target keywords as you unwrap more and more answers to your initial query. The free keyword research tool is especially useful for mobile SEO and optimizing for voice search.

Also Asked

Also Asked is a special keyword research tool that aggregates data appearing in the People Also Ask box. You just set the query, define the language and location, and let the tool extract all the data you need, clustering the questions into relevant subgroups. You can interact with the question data on the site to explore it.

The free version of the tool allows 10 searches per month. In a paid version you can export data in PNG or CSV formats to process it with other tools or present them to clients. This tool can be helpful for PPC and SEO marketers who want to go into detail and expand the topic in order to improve their content optimization score.

Research keywords from People Also Ask box
Also Asked keyword research tool

Answer the Public

Unlike the above tool, AnswerThePublic is a free keyword generator tool that powers data from Google Autosuggest features, like related searches, similar searches, etc. The tool creates a visualization of keywords, clustering them into groups by potential questions, and even providing word combinations with certain prepositions used. You can view the same data combined alphabetically and in columns. The results are downloadable as an image or in CSV format. That’s all as far as the free version goes.

The pro version allows unlimited daily searches. You will be able to monitor keyword performance over a time span. Also, you can be alerted as new questions appear for your brand name or target keyword.

Answer the Public keyword research tool
Answer The Public keyword tool

Tag Crowd

TagCrowd is a nice free keyword research tool for SEO. Briefly, it visualizes keyword frequency by creating a word cloud from content. You paste the URL, and the visual keyword generator creates the word cloud showing the prominence of the keyword in certain contexts. Alternatively, you can add the text from a file or simply copy-paste. This technique is valuable to know which keywords became the main targets in your competitors’ ranking pages.

Tag Crowd to visualize keywords in a word cloud
Tag Crowd keyword research tool

Keyword Surfer

Keyword Surfer is a free keyword research extension for Chrome browser that lets you see keyword data right in Google search results. For every fresh search, you’ll get search volumes, cost per click, keyword suggestions, related terms, online visibility, and on-page stats.

The tool shows the exact match number which is how many times the word has been used on the ranking page. You will see the stats when the titles have been changed recently.

Moreover, there is the Content Editor tool that provides guidelines for writing and optimizing your content straightaway. You will see keywords suggested to you based on LSI (Latent Semantic Indexing).

You can press Generate Outline, and the tool will create a free AI-generated outline for your article with major headlines and even a short introductory paragraph. Of course, you’ll get more out of the tool if you upgrade to a full Surfer plan, but even the free version gives pretty much.

Keyword Surfer plugin
Keyword Surfer keyword research extension

Keyword Sheeter

Keyword Sheeter is a basic keyword research tool that pulls in autocomplete queries from Google. These are real-time data of what people are searching for in the search engine. This is a great free tool to generate keyword ideas fast.

Keyword Sheeter pulls in a large number of keywords over a few moments, you just add them and they are generated into a keyword list that you can then download or copy. However, that’s all about the free features of Keyword Sheeter, you’ll need to buy Sheet Coins to get search volumes or competition data.

Keyword Sheeter research tool
Keyword research with Keyword Sheeter

TubeBuddy

YouTube has been one of the fastest-growing features with its own search engine for videos. YouTube Autocomplete works just like Google suggestions. Users paste in the query and get search suggestions showing up. Also, next to the video you are watching, you can view suggested videos and similar videos offered to you based on the search history.

That’s where TubeBuddy works as a handy assistant for YouTube search optimization. TubeBuddy is an extension for the most popular browsers to ensure channel growth. It offers an advanced keyword research tool for your YouTube videos, suggesting top related keywords, and popular video tags. General keyword data helps analyze which keywords are more profitable for getting more traffic on YouTube. The free browser version provides limited stats which still give plenty of insights into what potential a topic has on YouTube.

TubeBuddy keyword research for YouTube
TubeBuddy for keyword research on YouTube

Keyworddit

Keyworddit is another insightful tool that generates free keyword ideas from Reddit. To have it work, you need to type in a subreddit’s name and pick one of the auto-generated lists that the tool suggests. The results are suggested based on subreddits with over 10,000 subscribers. The more activity you have in the comments, the more keyword ideas you’ll get. The tool looks through the titles and comments, pulling up to 500 keywords together with their search volumes.

The search volumes are extracted from the keyword research database GrepWords. The tool creators say that monthly search volumes are very close to those given in Google Ads Keyword Planner. The tool is a great addition to your existing keyword research tools, especially that it’s free and it’s from a popular crowd-sourced platform. The tool can be helpful to find low-competition keywords that may bring additional audiences. Plus you can get a better understanding of your existing audience.

Keyword research tool for Reddit
Keyowrddit to research keyword ideas on Reddit

QuestionDB

QuestionDB is a great tool to mine fresh keyword ideas. This is a massive database based on queries asked on question-and-answers websites, including Reddit and Quora. The free version of the keyword research tool allows unlimited searches, however, the results are limited to 50 rows per query. You will paste in a broad keyword (as the tool creators suggest you should do) and will get a lot of question-based keyword ideas and a long-tail keyword list that you can download.

Keyword research tool to optimize for voice search
QuestionDB keyword research tool

Soovle

Soovle is a great free keyword research tool and ideas generator. It finds popular keywords across various search engines such as Google, Yahoo, and Bing. Also, keywords will be pulled from popular YouTube, Wikipedia, and Answers.com the importance of which to search and Google cannot be doubted. Soovle will also be extremely valuable for e-commerce platforms finding keywords for Amazon. The tool is fast and provides unlimited searches for free.

Soovle provides a list of the most used keyword suggestions organized alphabetically. You can download all of them in a CSV file. Or use the in-built Saved Suggestions feature, creating your own list by drag-and-drop of your needed keywords. The links are active so you can click through to every search results page. And you can add your logo to the results page inside Soovle and send the resulting research URL to your clients.
 

Soovle keyword research tool
Soovle free keyword research tool

Rank Tracker

SEO PowerSuite offers a powerful Keyword Research module with over 20 keyword research tools. The benefit of the module is that you will have all possible free keyword research tools collected in one place. All the results needn’t be checked manually one by one but can be drawn altogether in the SEO tool database containing hundreds and thousands of key phrases at a time.

Besides, the tool drives plenty of metrics that let SEOs evaluate a keyword’s potential and choose your best keywords to optimize for. The tool shows the search volumes, keyword difficulty, keyword effectiveness index, costs-per-click, and more. Rank Tracker integrates with Google Search Console and Google Keyword Planner to give more accurate estimates for your website.

Rank Tracker keyword research methods
Keyword research tools in Rank Tracker

Keyword Gap in Rank Tracker is an awesome keyword research method to find out what keywords your competitors are ranking, but you aren’t. The Autocomplete Tools method combines a whole bunch of search prediction tools from Google, Amazon, YouTube, Bing, etc. TF-IDF is a statistical keyword research method that estimates how important a certain word is as related to the rest of a document text. Word Combinations method is a keyword generator tool that mixes words to match them into all possible combinations. Related searches method draws related questions from Google.

Researched keywords are stored in Rank Tracker's Sandbox
Keyword research Sandbox in Rank Tracker

Besides, there is a vast competitor keywords research module where you can find relevant topics by domain and by topic. You can compare your domain and competitors to see how much you intersect. What you do is find keywords with high search volumes that you miss on and integrate them into your content.

SERP Analysis keyword tool
SERP Analysis tool in Rank Tracker

There is a special SERP Analysis feature that shows the average keyword difficulty analyzing top 10 ranking results. You will be able to compare the ranking competitors and choose the best optimization strategy to start ranking for the selected keyword.

Rank Tracker is a freemium keyword research software with extensive keyword check features available absolutely free. To make the best of it, consult this keyword research guide.

Keyword Generator

For local SEO, there is the Bulk Keyword Generator tool available for free research from HigherVisibility SEO agency. The keyword generator is nice for small businesses in catering and household services. You select the business type and the city from the dropdown menu, and the tool will generate local keywords for your industry that potential customers might use to find you. There is also a DIY keyword generator template that lets you use a more flexible variation of your ‘location’ and ‘service’ keywords.

Keyword research tool for small local business
Bulk Keyword Generator tool

GetKeyword

GetKeyword is another free keyword tool for local SEO with a focus on intent analysis. Simply type in your target keyword and narrow down the search to a certain location. You'll get the list of top locations within the area you’re looking for where the word is popular. There will be a breakdown of user traffic searching for this query by mobile and desktop.

You will see top questions related to the topic and related keywords grouped by the type of search result, including autocomplete, video searches, and e-commerce.

The tool is great for competitive research because you will also get information about top advertisers and CPC/PPC costs for the queries. One of the most insightful is the search trend dashboard where you will get a full SERP analysis. The tool shows the SEO keyword difficulty, the average bounce rate, and the average organic click rate for the SERP. However, to further save and export the queries, you will need to start a free trial.

GetKeyword researh tool for PPC campaigns
GetKeyword tool

Google Keyword Planner

Keyword Planner is one of the best and most known free tools for keyword research with some limitations, though. First of all, you won’t be able to use it by itself unless you have an account for Google Ads with active spending. But once you’ll have it, you will be able to check on keywords, and forecasts on their monthly searches and costs per click.

The second thing to keep in mind is that Keyword Planner researchers best keywords for Search campaigns, not for the organic traffic. Estimations are made for PPC, not for SEO, although you will have an approximate idea of how a key term would behave in organic search as well. Google Ads provides a detailed keyword research guide with tips, for example, to avoid too specified keywords in setting up your paid campaigns.

Jaaxy

Jaaxy is a keyword tool designed specifically for affiliate marketers. The free version of the tool however is limited to 30 keyword searches only. Keyword stats are limited as well, meanwhile, it is pretty useful. The tool shows the long-tail keywords based on your seed keyword. It provides its average monthly searches and calculates expected organic traffic if you reach the first result on the SERP.

The tool calculates QSR metric, or Quoted Search Result, which is the number of competing websites for a key term. Next to it, the Keyword Quality Indicator (KQI) is calculated — great, normal, or poor. Next, you see the SEO score calculated based on traffic and competition: the higher the score, the more likely you are to rank in the first position.

Jaaxy keyword research tool for affiliate marketers
Jaaxy keyword research tool

Ubersuggest

Ubersuggest is another freemium tool with a wealth of information about keywords: the search volumes, SEO difficulty, Paid Difficulty, and CPC costs.

As you scroll down, you can view lists of keyword ideas and page content ideas. Down below, you will see the list of competitors ranking for the keyword, their authority signals such as backlinks, and social media popularity. Ubersuggest provides a free Chrome extension to see the stats right on the SERP.

Ubersuggest keyword research tool
Ubersuggest keyword research tool

Semrush Keyword Magick Tool

Semrush has its own Keyword Magick Tool, the free version provides pretty good keyword ideas with limited keyword stats data. Users can perform 10 keyword lookups per day. Queries can be filtered as broad match, exact match, phrase match, or related questions based on the keywords.

Each query will have a good deal of stats for analysis. The tool shows SERP features available for the keyword and the popularity trends. There is keyword difficulty and the number of search results returned by the selected search engine for the query. There is the Competitive Density metric that measures the competition among advertisers bidding for the given keyword in PPC campaigns.

Semrush keyword research tool
Semrush keyword research tool

What are your favorite keyword research tools?

Hope you liked this list! Do you happen to use some other free keyword tools? What do you value the most in keyword research tools that you use daily? You are welcome to share with us in the comments!