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Mastering Keyword Research For Free - Free Tools For SEO Success

Want to know what tools to use to do keyword research for free? Learn how to utilize top free tools like Google Keyword Planner and Moz Keyword Explorer to enhance your SEO strategy, understand search intent, and outperform competition, all without any cost.

Dec 11, 202321K Shares288.3K ViewsWritten By: Alastair Martin
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  1. Why Keyword Research Matters
  2. Criteria For The Best Keyword Research Tool
  3. Best Free Keyword Research Tools
  4. Practical Application And Impact On SEO Strategy
  5. Keyword Research For Free FAQs
  6. Harness The Power Of Free Tools
Mastering Keyword Research For Free - Free Tools For SEO Success

Keyword research is a fundamental process in search engine optimization(SEO) and digital marketing. It involves identifying popular words and phrases people enter into search engines related to specific topics, products, or services. The essence of keyword research lies in understanding how your target audience searches for your content, services, or products online and optimizing your content accordingly to meet their needs. Want to dokeyword research for free? Let's talk about why it matters first.

Why Keyword Research Matters

At its core, keyword research is about understanding your audience. It allows you to gain insights into the queries and problems your target customers are looking to solve, helping you create content that answers their questions and meets their needs.

Furthermore, keyword research is instrumental in shaping your content strategyand improving your visibility in search engineresults pages (SERPs), which is crucial for driving organic traffic to your website.

Criteria For The Best Keyword Research Tool

When selecting a keyword research tool, several criteria are crucial:

  • Accuracy and Reliability: The tool should provide accurate and up-to-date data on keyword metrics like search volume, competition, and trends.
  • Ease of Use: It should be user-friendly, catering to both SEObeginners and seasoned professionals.
  • Data Depth and Variety: A good tool offers a comprehensive analysis, including search volume, keyword difficulty, and current trends.
  • Integration with Other Tools: The ability to integrate with other SEOand marketing tools enhances its utility.
  • Ongoing Support and Updates: The tool should keep pace with the ever-evolving search engine algorithms and SEO practices.

Best Free Keyword Research Tools

Identifying the right tools can make a significant difference in your SEO efforts. Here's a look at some of the best free keyword research tools available.

Google Keyword Planner

A powerful tool originally designed for advertisers, Google Keyword Planner is equally valuable for SEO keyword research. It provides insights into keywords' search volumes, competition levels, and projected costs for Google Adscampaigns.

Its key features include generating keyword ideas based on seed keywords, showing historical data on search volume, and providing cost estimates for keywords in paid campaigns. This tool is ideal for both beginners in SEO and seasoned marketers looking for reliable data directly from Google's vast database.

Moz Keyword Explorer

Moz Keyword Explorer offers an all-encompassing approach to keyword research, providing keyword suggestions and in-depth analysis on keyword difficulty, search volume, and organic click-through rates (CTR). Its features include SERPanalysis, offering a detailed breakdown of the search engine results page for each keyword, and the ability to create organized keyword lists. This tool is excellent for digital marketers and content creators who need detailed insights for both broad and niche markets.


Renowned for its straightforward yet comprehensive suite of SEO tools, Ahrefs includes a keyword explorer tool that provides valuable data on search volumes, keyword difficulty, and clicks data. Its features include generating numerous keyword ideas, including long-tail keywords, and offering insights into what competitors are ranking for. Ahrefs is ideal for SEO professionals and content strategists who require detailed keyword analysis and competitive insights.


SEMrush is an advanced tool that extends beyond keyword research, offering features for site audits, competitive analysis, and more. It delivers detailed keyword data including volume, trend, and keyword difficulty, and provides a content marketingtoolkit to develop content strategies based on keyword research.

This tool is ideal for advanced SEO professionals and businesses requiring a comprehensive suite of SEO tools for in-depth market analysis.

Wooden Scrabble tiles forming the word keywords.
Wooden Scrabble tiles forming the word keywords.

Keyword Generator

Keyword Generator is adept at providing numerous keyword ideas quickly. It stands out for its ability to offer an extensive range of keyword suggestions, including long-tail keywords, along with vital metrics such as search volumes and competition levels. This makes it a valuable tool for those who need a broad array of options to explore different niches or topics.

The user interface is straightforward, making it accessible for beginners, yet it provides enough depth to be useful for more experienced SEO professionals. Whether you are crafting a new content strategy or looking to expand your keyword portfolio, Keyword Generator can provide a wealth of options to consider.

Answer The Public

This tool offers a unique approach to keyword research by focusing on question-based keywords. It provides a visual representation of data, making it easier to understand and analyze the questions your audience might be asking. This can be particularly useful for content creators looking to address specific queries and concerns of their target audience.

The insights gained from Answer The Public can guide the creation of FAQ sections, blog posts, and other content forms that directly respond to user interests and needs. Its ability to tap into the natural language queries that people use in search engines makes it an invaluable resource for developing user-centric content.

Google Trendsis an invaluable tool for understanding the popularity and seasonality of search queriesover time. It allows users to analyze the trending topics and keywords in different regions and languages, which is crucial for businesses looking to target specific markets or capitalize on trending topics.

The tool's ability to track the rise and fall of certain keywords over time makes it particularly useful for planning content strategies around seasonal eventsor emerging trends. With its intuitive interface and rich data visualization, Google Trends is an essential tool for anyone looking to keep their finger on the pulse of public interest.


QuestionDB excels at generating content ideas by pulling common questions from platforms like Reddit, Stack Exchange, and Quora. This tool is particularly useful for bloggers and content creators seeking to address the actual questions and concerns of their target audience.

By entering a seed keyword, users can uncover a variety of questions, providing a direct insight into the topics and problems that are most relevant to their audience. This can guide the creation of highly targeted and valuable content that resonates with users and addresses their specific needs and interests.


GetKeywords is a tool designed for local SEO, offering keyword metrics for over 100,000 locations worldwide. This specificity makes it ideal for businesses focusing on local audiences, as it provides insights into local search trends and competition. Users can filter search results to specific countries, provinces, and cities, allowing for a highly targeted approach to keyword research.

The tool also supports up to 45 languages, making it versatile for global businesses. Its ability to provide metrics usually unavailable in free keyword tools makes it a standout choice for local SEO strategies.


Sonar is a specialized tool for Amazon keyword research, offering a comprehensive database of over 180 million keywords. Its real-time updated data makes it a powerful asset for e-commerce marketers and Amazon sellers. One of its standout features is the reverse Amazon Standard Identification Number (ASIN) lookup, which allows users to track and analyze competitors' keywords effectively.

This feature is particularly useful for understanding the competitive landscape on Amazon and identifying potential keyword opportunities for product listings and advertising campaigns.


Ubersuggest, developed by Neil Patel, offers a holistic approach to keyword research, providing not only keyword suggestions but also insights into domain analytics and content ideas. It gathers data on SEO metrics, backlink profiles, and content suggestions, making it a versatile tool for a comprehensive SEO strategy.

Its user-friendly interface and extensive database make it ideal for small businesses and individual bloggers who require in-depth insights into their SEO performance and opportunities for improvement.


This tool stands out for its ability to leverage autocomplete data from various search engines and platforms like Bing, YouTube, Amazon, eBay, Instagram, and Pinterest. It generates a wide range of long-tail keywords that are not always visible on Google's Keyword Planner, providing a broader perspective on user search behavior across different platforms.

KeywordTool.io is particularly useful for those looking to diversify their keyword research sources and gain insights into niche markets and specific user communities.


Soovle.com aggregates keyword suggestions from multiple search engines, including Google, Bing, Yahoo, and YouTube, as well as from platforms like Amazon and Wikipedia. This aggregation provides a wide-ranging view of keyword variations and related search terms, making it an invaluable tool for understanding the broader search landscape.

The simplicity of Soovle.com makes it particularly appealing for quick searches and brainstorming sessions, helping users uncover unexpected keyword opportunities and content ideas.

Keywords Everywhere

This freemium browser add-on, available for Firefox and Chrome, simplifies keyword research by displaying data directly in the browser. As users search the web, Keywords Everywhere gathers keyword suggestions from over 15 popular tools, displaying related keywords, trends, and terms competitors are ranking for.

This tool is particularly useful for those who want quick insights into keywords and trends without having to switch between different applications or websites.


SERPChecker focuses on analyzing a keyword’s traffic potential and competition by providing a comprehensive SERP analysis. This tool helps SEO professionals and content marketers evaluate the competitiveness of keywords and understand the factors influencing rankings.

It offers insights into various SERP features and the top-ranking pages for a given keyword, enabling users to develop more effective SEO strategies and content plans.

Practical Application And Impact On SEO Strategy

  • Tailoring Content Strategy -By using these tools, SEO professionals and content creators can tailor their content strategy to align with audience search intent. For instance, Answer The Public and QuestionDB are excellent for generating content ideas that directly address user queries.
  • Competitive Analysis -Tools like SEMrush and Ahrefs provide deep insights into the competitive landscape, allowing for strategic planning to outrank competitors.
  • Local SEO Enhancement -GetKeywords, with its focus on local SEO, can significantly improve a business's visibility in local search results, which is crucial for businesses targeting specific geographical areas.
  • E-commerce Optimization - Sonar offers specialized features for Amazon keyword research, aiding e-commerce businesses in optimizing their product listings and improving their visibility on the platform.
  • Long-Tail Keyword Discovery -Tools like KeywordTool.io and Keyword Generator help uncover long-tail keywords, which are less competitive and can drive targeted traffic to a website.
  • Seasonal Trends Identification - Google Trends helps in identifying seasonal trends, enabling businesses to plan their content and marketing strategies around these trends.
Hand writing Keywords on transparent board.
Hand writing Keywords on transparent board.

Keyword Research For Free FAQs

Why Is Keyword Research Important For SEO?

It helps in understanding what your audience is searching for, allowing you to tailor your content to meet their needs and improve search engine rankings.

Can I Perform Effective Keyword Research For Free?

Yes, there are several free tools like Google Keyword Planner and Moz Keyword Explorer that offer robust keyword research capabilities.

What Are The Best Free Keyword Research Tools?

Google Keyword Planner, Moz Keyword Explorer, and Ahrefs are among the best free tools available for keyword research.

How Accurate Are Free Keyword Research Tools?

While they may not offer the same depth as paid tools, free keyword research tools often provide sufficiently accurate data for effective SEO.

Can Free Tools Help In Local SEO?

Yes, tools like GetKeywords specialize in local SEO, offering insights into local search trends and competition.

Are There Free Tools For Amazon Keyword Research?

Sonar is a free tool specifically designed for Amazon keyword research, offering a comprehensive database of keywords used on Amazon.

How Do I Identify Long-Tail Keywords For Free?

KeywordTool.io and Keyword Generator are effective at uncovering long-tail keywords, which are less competitive and can drive targeted traffic.

Can Free Keyword Tools Help In Competitive Analysis?

Yes, tools like SEMrush and Ahrefs provide features for competitive analysis, though in a more limited capacity compared to their paid versions.

What Limitations Do Free Keyword Research Tools Have?

Free tools often have limitations in terms of the number of searches, depth of data, and additional features compared to paid versions.

How Do Free Keyword Research Tools Support Content Strategy Development?

Free keyword research tools like Answer The Public and Google Trends can be instrumental in developing content strategies. They provide insights into trending topics, user queries, and search intent, helping content creators produce relevant and engaging content that resonates with their audience.

Harness The Power Of Free Tools

While paid keyword research tools offer more advanced features, these free tools provide a solid foundation for effective SEO and content marketing strategies. They are particularly useful for small businesses, startups, and individual bloggers who are looking to improve their online presence without a significant investment.

Looking for tools to do keyword research for free? By effectively utilizing these tools, one can gain valuable insights into audience preferences, stay ahead of the competition, and ultimately drive more organic traffic to their website.

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