2024 Best Free Keyword Research Tools to Find Keyword Ideas

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Summary: If you want to find keyword ideas to write content related to your products or services, you can utilize a professional free keyword research tool. This post introduces some tools for your reference.

Keyword research is an essential step for SEO and content marketing strategy. The right keyword generator tools let you enter your seed keyword and get a list of related keywords. Many of them offer detailed keyword data like monthly search volume, keyword difficulty, SERP ranks, and more.

Check the 9 best (free) keyword research tools below to help you generate keyword ideas and cover your Google SEO traffic.

1. Google Keyword Planner

One of the most popular free keyword research tools is Google Keyword Planner. This tool is originally designed for advertisers to find the right keywords for campaign ads. You can also use it to do keyword research and get keyword ideas for Google SEO and content marketing.

  • Google Keyword Planner lets you discover new keywords and provides detailed information on search volume and keyword competition.
  • It also offers the estimated bid prices for each keyword which is essential in budgeting in PPC campaigns. SEO professionals can also get insight into the keyword value and competition.
  • Users can filter keywords based on language or location.
  • You can create a free Google Ads account to access Google Keyword Planner.
Google Keyword Planner

2. WordStream Free Keyword Tool

WordStream is also a popular free keyword research tool that gives you hundreds of relevant keyword results for your primary keyword. It aims to help you with keyword research and PPC (pay-per-click) advertising campaigns. You can use it for both organic search and paid search strategies.

  • This tool offers a list of keyword ideas based on your seed keyword.
  • It provides key metrics like search volume, competition level, and estimated CPC (cost-per-click) for each keyword.
  • Similar to Google Keyword Planner, this tool also features integration with Google Ads.
  • You can go to the WordStream official website and enter a keyword or website URL to start with its free version.
WordStream Free Keyword Tool

3. SEMrush Keyword Magic Tool

To find keyword suggestions for your SEO and PPC campaigns, you can also try SEMrush Keyword Magic Tool.

  • This tool offers one of the largest keyword databases that let users discover a vast of keyword opportunities.
  • For each keyword, it provides the search volume, keyword difficulty, cost per click (CPC), search intent, and the number of SERP results.
  • This tool automatically groups the keywords based on semantic similarity.
  • You can apply customized filters like volume, keyword difficulty, CPC, etc. to sift the keyword results.
  • You need to sign up for an account and log in to use this free keyword research tool. You are allowed to sign in with your Google account.
  • The free version displays 10 related keywords. To view more, you can get a 7-day trial for a paid plan.
SEMrush Keyword Magic Tool

4. Ahrefs Keyword Generator

Ahrefs Keyword Generator is a part of Ahrefs SEO tools. It offers a free version providing keyword ideas without any cost.

  • The free Ahrefs Keyword Generator offers the top 100 keywords for any given seed keyword you enter.
  • It offers information about the monthly search volume and keyword difficulty for each keyword.
  • It allows you to choose countries and languages to research keyword data specific to different countries and languages. This helps you do local market analysis.
  • It not only covers Google but also includes Bing, YouTube, and Amazon search engines. You can conduct more comprehensive keyword research across various search engines and platforms.
  • You need to get a paid plan to get more detailed SEO metrics of the keywords.
Ahrefs Keyword Generator

5. Wordtracker

Wordtracker is also an easy-to-use free keyword generator. It helps SEO specialists, marketers, and website owners discover new keywords that may help improve search engine rankings and traffic.

  • Wordtracker lets you enter a seed term and discovers hundreds of relevant keywords for you.
  • This free keyword tool offers detailed SEO data on search terms including search volume, competition, and effectiveness score. It also provides PPC metrics like CPC data, paid clicks, etc.
  • You can filter keywords based on search volume, competition, PPC, KEI (Keyword Effectiveness Index), etc. You can also choose a territory to research the keywords.
  • It allows you to export the keyword data to spreadsheets for later analysis.
free keyword research tool - Wordtracker

6. AnswerThePublic

Another popular free keyword research tool is AnswerThePublic. It gives you insights into what people are searching online.

  • It generates a list of keyword ideas and offers the search volume and CPC data of each keyword.
  • It lets you view the search query data in the form of questions, prepositions, comparisons, and alphabetical lists.
  • It allows you to view the search data in the form of wheels, lists, or tables.
  • It enables you to export keyword data in CSV format.
  • It limits three keyword searches per day.

7. Keyword-Tools.org

Keyword-Tools.org is a free online keyword research tool that helps marketers and SEO professionals discover relevant keywords for their content and ad campaigns.

  • KeywordTools generates a wide range of keywords based on a seed keyword or phrase. It includes both short-tail and long-tail keywords related to a topic.
  • It provides search volume, CPC data, and competitive analysis of keywords to help you choose the right keywords and make informed marketing decisions.
  • You can download the keyword list in a CSV file.

8. Keyword Surfer

Keyword Surfer, developed by SurferSEO, is a popular Chrome extension for content and keyword research. It offers the fastest way to get search data for your keywords.

  • You can find “Keyword Surfer” in the Chrome Web Store and easily add the extension to your Chrome browser.
  • With this free keyword research tool, you can find related keywords based on your search query and get real-time keyword metrics directly in Google search results. It displays the estimated search volume, CPC, and keyword difficulty for each keyword.
  • It allows you to pick a geographic location to view the specific keyword data.
Keyword Surfer

9. Backlinko Free Keyword Tool

Backlinko offers a free keyword research tool that lets you discover new keywords and their performance data.

  • You can input a keyword and click “Find Keywords”. This tool will automatically find and display related keyword results.
  • Backlinko free keyword tool offers the search volume, keyword difficulty (KD), CPC, number of search results, and the search trend for each keyword.

Bottom Line

This post introduces 9 free keyword research tools to help you conduct keyword research for your content or business. You can choose a preferred tool to get the monthly search volume, keyword difficulty, CPC, and other data of keywords.

About the Author

James Young

James Young, has been a Google SEO expert for about 10 years. He has helped several companies achieve tens of millions of organic traffic per year in the past. He is talented in this area and tries to dig deeper into Google SEO and online marketing. He offers various SEO thoughts to help others rank higher in Google searches, gain more traffic, and build better websites.