7 Best Free Keyword Research Tools for Bloggers

Last Updated: March 6, 2023
Category: Blogging
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One of the most crucial parts of modern SEO is keyword research. Irrespective of whether you are starting a new blog or revamping an old one, good-quality keywords are an efficient way to attract consistent and quality traffic to your site. It helps you find topic ideas that people are looking for on search engines like Google, Bing, Yahoo, Amazon, and such. It helps you find content ideas that the customers look up to and helps plan your content to cover those topics. It shows you both the seed and long-tail keywords where your competitors rank and help you improve your content to rank keywords and gain more traffic. Here is a list of the best free keyword research tools for bloggers. 

  • Free Keyword Research Tools for Bloggers
    • 1. Keyword Tool
    • 2. Google Keyword Planner
    • 3. Ahrefs
    • 4. UberSuggest
    • 5. Moz Keyword Explorer
    • 6. Wordtracker
    • 7. SpyFu

The Need For The Best Free Keyword Research Tools

Successful SEO campaigns rely on comprehensive and accurate data, and getting this data starts with the right keyword research tools. One can collect keyword data manually, but using a keyword research tool is better in various ways. The tools are more efficient and give you solid answers in less time. It gathers historical data and makes sure that you do not miss out on vital information. These tools show you what the users are looking for and also what the competitors are focusing on, which can help you find the gaps and find a way to profitability and success.

7 Best Free Keyword Research Tools for Bloggers

The best free keyword research tools will remove the need for guesswork and show results quicker.  

1. Keyword Tool

Keyword Tool

The keyword tool provides access to the top keywords and trends across Google, YouTube, Amazon, Instagram, and more. It provides 100% accurate Google and Bing search volume data. It provides precise monthly search volume data and not in ranges. It allows you to check search volume in bulk for any keyword list. Their technical insights allow them to dig deep into the Autocomplete of various search engines and extract extremely useful keywords. All you have to do is add your competitor's URL, and you will get all the keywords that they are ranking for, including search volume, trends, and how competitive the keywords are. 


According to GetApp, Keyword tool has the following features:

  • Autocomplete
  • Keyword Analysis and Discovery
  • Keyword Rank Tracking
  • Keyword Research Tools
  • Keyword Tracking
  • Multi-Language
  • SEO Management

2. Google Keyword Planner

Google Keyword Planner

Google Keyword Planner helps you find the best keywords. This keyword research tool will help you find the keywords that are most relevant to your business. It gives you insight into how often certain words are searched and how those searches have changed over time and help you narrow your keyword list down to the ones you really want. It gives you a suggested bid estimate for each keyword, allowing you to determine your advertising budget. 

3. Ahrefs


The keyword research tool by Ahrefs is the complete tool in the market. It helps you discover thousands of great keyword ideas, analyze their ranking difficulty and calculate their traffic potential. The Keywords Explorer runs on a huge database of more than 7 billion keywords, updated with fresh data every month, and gives you data for more than 170 countries. By processing large amounts of clickstream data, they estimate keyword volumes for places like YouTube, Amazon, Bing, Baidu, etc. It provides accurate search volume and provides a Keyword Difficulty score that calculates how hard it will be to rank for your keyword based on the current top-ranking pages. It shows the estimated number of clicks for your keywords and advanced SEO metrics. 


  • Historical SERP checker

4. UberSuggest


Ubersuggest is a free SEO tool that enables you to do keyword research, analyze competitors, do site audits, and more. It provides insightful data about specific keyword queries on Google but also on sites like YouTube, Amazon, and more. It provides graphs and trends that break down the total monthly search volume that displays monthly mobile searches and desktop searches for a particular keyword. It provides traffic estimations under each URL. It also provides domain metrics, historical traffic, the top pages by country, and top keywords by country.


According to GetApp, Ubersuggest has the following features:

  • Backlink Monitoring.
  • Keyword Rank Tracking.
  • Keyword Research Tools.
  • Keyword Tracking.
  • Link Management.
  • SEO Management. 

Pricing: For individuals Ubbersuggest has a plan for $12 a month. It allows a single project. For Businesses and freelancers, the plan costs $20 and allows seven projects. For Enterprises at $50 you can do 15 projects.

5. Moz Keyword Explorer

Moz Keyword Explorer

The Moz Keyword Explorer has over 500 million traffic-driving keywords. It helps you identify which keywords your site could rank for right now and find high-impact suggestions. It helps you perform in-depth keyword research and SERP analysis. It helps effectively predict how much search volume a keyword will receive with more than 95% accuracy. Their comprehensive scoring helps you prioritize keywords by topic or focus in one place to use as a keyword planner. It helps you easily export your data and find keywords in the question format. Their Keyword Difficulty, Volume, and expected Organic Click-Through Rate scores help predict your ability to rank and drive traffic, and it helps review SERP details by keywords. Their proprietary keyword difficulty score shows how easy it is to rank on each SERP. 


  • SERP Analysis

6. Wordtracker


Wordtracker is a market research tool that shows competitors' keywords, in-depth PPC and SEO insights, Google data, and their proprietary search technology. Their proprietary data and toolset give you 10,000 keywords per search as well as related keywords, so your pages can be optimized more effectively to outrank the competition. It helps you find related keywords for stronger content that ranks better. It helps you see the search results and the difficulty of the competition right in the tool. 


  • Find new and trending keywords in your niche
  • Know what keywords your competitors are using

Pricing: Wordtracker offers three plans with a 7-day free trial. The Bronze plan starts at $27/month with 1,000 keyword results and 7 territoriesFor $69, you can do 15 territories in the Silver Plan. For 200+ territories you'll have to get the Gold plan which costs $99 a month.

7. SpyFu


SpyFu's keyword tool offers more useful data on more keywords more consistently. All you have to do is enter a keyword into the search bar, and SpyFu shows you the top domains, how they've ranked over time, and which links helped them get there. It helps you plan SEO and PPC campaigns easier and faster. 


According to SoftwarePundit, Spyfu has the following features:

  • SEO Research.
  • PPC Research.
  • Keyword Research.
  • Backlink Research.
  • Keyword Rank Tracking.
  • Competitive Analysis.

Pricing: There are monthly and annual plans. The first plan is the Basic plan which costs $16 per month in the billed anually Annual plan. The $36 Professional plan allows you unlimited search results. The $149 Team plan offers custom branded reporting.

Irrespective of the number of keyword research tools we list here, it is important to understand that none of these tools will be flawless. Each tool will have its own strengths and weaknesses, and it is important to focus on which one suits your business the best. The above-mentioned are some of the best free keyword research tools that, with your experience, expertise, and insights, help you transform simple data into solid digital marketing. 


Editorial Staff at Publisher Growth is a team of blogging and AdTech experts adept at creating how-to, tutorials, listings, and reviews that can publishers run their online businesses in a better way.

Frequently Asked Questions

Yes, you can use the two tools simultaneously. The former is a free keyword research tool, while the latter is paid but offers a 14-day free trial period.

It is recommended to use them at least once a month. The more data you collect, the better your website will perform in search engines. However, you should note that these tools are not the only thing you need to consider when determining the right keywords for your website. Your understanding of your audience and their needs is equally important.

You can check out each tool’s reviews, features and plans before making a decision. You should also check out the free trial period of each tool. Tip: You can also use both tools to get even more data points and then compare their results.

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