15 Best Free Keyword Research Tools

Keyword research is a crucial aspect of search engine optimization (SEO) that can greatly impact the success of your website. By understanding your target audience’s search intent and gathering information about related topics, you can create high-quality content that meets your customers’ needs.

While many website owners believe that keyword research requires complicated or paid tools, there are plenty of free options available. In this article, we will explore the 15 best free keyword research tools for 2023.

1. GetKeywords

GetKeywords is an excellent free keyword research tool for local SEO. It provides keyword metrics for over 100,000 locations and supports filters to narrow down search results by country, province, and city. Unlike many other keyword tools, GetKeywords offers real-time data analysis and supports up to 45 languages. It also provides valuable insights into your audience’s preferred devices and competitors’ traffic sources.

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Key Features:
– Real-time data analysis.
– Shares audience’s preferred devices and competitors’ traffic sources.
– Provides global search.

Best Keyword Research Tool For: Local SEO.

Pricing: Free plan with unlimited searches. Premium plans start at $24/month when billed annually for advanced features like SEO difficulty and competitor keywords.

2. Sonar

Sonar is an essential keyword tool for Amazon sellers. It has a database of over 180 million keywords in multiple languages, updated in real-time. Sonar’s reverse Amazon Standard Identification Number (ASIN) lookup allows you to identify and track competitors’ keywords. Simply enter the competitor’s ASIN, and Sonar will provide you with a list of keywords the product is ranking for.

Key Features:
– 180+ million keywords in multiple languages.
– Reverse ASIN lookup.
– No user account is required.

Best Keyword Research Tool For: Amazon Sellers.

Pricing: Free.

3. QuestionDB

QuestionDB is a valuable keyword research tool for generating blog topic ideas. When you enter a seed keyword, QuestionDB generates common questions people ask on popular platforms like Reddit, Stack Exchange, and Quora. This tool provides insights into your customers’ thought processes and generates relevant keywords based on their search queries.

Key Features:
– Gain insights into common questions people ask about a topic.
– Generate relevant content ideas based on search queries.
– Multiple data sources (Reddit, Stack Exchange, Quora).

Best Keyword Research Tool For: Creating informative blog posts.

Pricing: Free with limited features. Premium plans start at $12.50/month when billed annually.

4. Ryan Robinson’s Keyword Tool

Ryan Robinson’s free AI-powered keyword research tool is perfect for new or smaller websites. It focuses on essential metrics such as estimated search volume and suggested blog topics. As a professional blogger and head of content at CRM provider Close, Ryan Robinson understands content marketing pain points and provides a useful tutorial on the importance of keyword research and how to best utilize the tool.

Key Features:
– Focuses on essential metrics: estimated search volume and suggested blog topics.
– Accompanied by a useful tutorial on keyword research.
– Provides country-specific search data.

Best Keyword Research Tool For: Finding untapped phrases surrounding a keyword.

Pricing: Free.

5. Keyword Tool Dominator

Keyword Tool Dominator is an excellent keyword research tool for multichannel marketers and those in the ecommerce space. It sources keywords from nine major retail databases, including Amazon, Bing, eBay, Google, and Walmart, to generate the best long-tail keywords. However, the free plan limits you to two keyword searches per day and does not offer keyword analysis.

Key Features:
– Unlimited real-time keyword searches (premium plans only).
– Unlimited keyword suggestions, including long-tail keywords.
– Export reports.

Best Keyword Research Tool For: Multichannel marketers.

Pricing: Free with limited features. Lifetime unlimited access to tools starts at $49 (one-time payment for each tool). The bundle that includes six keyword tools starts at $99.

6. Google Autocomplete

Google Autocomplete is a powerful yet often overlooked keyword research tool. It provides search suggestions that include various long-tail keyword phrases related to your primary keyword.

Additionally, the “People Also Ask” feature shares questions that searchers ask related to your keyword, providing opportunities for subheadings and featured snippets. The “Related Searches” feature displays searches that are semantically related to your keyword, helping you identify related topics to include in your content.

Key Features:
– Autocomplete: Shares search suggestions for long-tail keyword phrases.
– People Also Ask: Provides opportunities for subheadings and featured snippets.
– Related Searches: Displays semantically related searches.

Best Keyword Research Tool For: All users.

Pricing: Free.

7. Keyword Tool

Keyword Tool is an excellent alternative to Google Keyword Planner, as it focuses on sources other than Google. It uses data from various search engines, e-commerce websites, and social media platforms, such as Bing, YouTube, Amazon, eBay, Instagram, and Pinterest, to generate long-tail keywords that may not be visible on Google’s Keyword Planner.

Simply choose the website and country you want to view data from, and the Keyword Tool will generate a list of suggestions and questions based on autocomplete data from those sources.

Key Features:
– Generates up to 750+ long-tail keyword suggestions for every search term.
– Multiple data source inputs.
– No user account is required.

Best Keyword Research Tool For: Multichannel keyword research.

Pricing: Free plan available. The premium version starts at $69/month when billed annually.

8. Glimpse

Glimpse is a free Chrome extension that identifies upcoming search trends. It is useful for people in the digital PR or e-commerce space who want to stay ahead of the curve. Glimpse checks popular and high-growth topics from websites outside Google, such as Pinterest, Amazon, TikTok, and YouTube, allowing you to find business ideas before they become mainstream.

Key Features:
– Long-tail search data.
– Set Google Trend alerts for trending topics.
– Database of thousands of trends from various websites.

Best Keyword Research Tool For: Finding keyword trends.

Pricing: Free.

9. Keywords Everywhere

Keywords Everywhere is a freemium browser add-on for Firefox and Chrome. It gathers keyword suggestions from over 15 popular keyword research tools, including AnswerThePublic, Google Search, and Ubersuggest.

The add-on displays related keywords, keyword trends, and terms your competitors are ranking for. It also provides YouTube and Google Trends data and allows you to find keywords your competitors rank for.

Key Features:
– Collates data from popular keyword research tools.
– Displays YouTube and Google Trends from 2004 onwards.
– Find keywords your competitors rank for.

Best Keyword Research Tool For: Keyword research within search.

Pricing: Free with limited features. The Premium version uses a pay-as-you-go model, starting at $10 for 100,000 credits (one credit = research data for one keyword).

10. AlsoAsked

AlsoAsked is a freemium keyword research tool centered around Google’s “People Also Ask” (PAA) data. It suggests relationships between topics and provides a branching diagram that you can download as .CSV or .PNG files. While similar to AnswerThePublic, AlsoAsked focuses specifically on Google’s “People Also Ask” feature, providing additional context to the data.

Key Features:
– Identify related keywords.
– Visualize keyword relationships.
– Export keyword data as .CSV or .PNG files.

Best Keyword Research Tool For: Content ideation and finding related questions.

Pricing: Limited free trial available. Starts at $15/month.

11. Keyword Surfer

Keyword Surfer is a free Chrome extension that provides various keyword metrics without leaving the Google Search page. It offers estimated monthly search volume, cost-per-click (CPC), keyword usage on the page, word count for competitors’ pages, related keywords, and their overlap score and search volume. The features offered by Keyword Surfer are powerful for a free tool, making it a popular choice among digital marketers.

Key Features:
– Dataset from 70 countries.
– Monitor and save keywords using the Collections folder.
– Export files in CSV format.

Best Keyword Research Tool For: Finding overlapping keywords.

Pricing: Free.

12. Keyworddit

Keyworddit is a valuable keyword research tool for brands that want to market on Reddit. It goes through relevant subreddits and extracts keywords based on what engaged users frequently talk about. By running subreddit names through Keyworddit, you can identify the most popular topics on Reddit and understand the specific topics that engage your audience.

Key Features:
– Identify the most popular topics on Reddit.
– Understand the specific topics that engage your audience.
– Includes a “Context” link that opens a Google search of the subreddit and keyword.

Best Keyword Research Tool For: Brands that want to market on Reddit.

Pricing: Free.

13. Jaaxy

Jaaxy is an excellent free SEO keyword research tool for affiliate marketers. It provides related keywords, average monthly searches, estimated website traffic if you rank on page one for a keyword, and the number of competing websites for that keyword. Additionally, Jaaxy shows relevant affiliate programs you can join, making it a valuable tool for affiliate marketers. It also has a keyword quality indicator that tells you the quality of your chosen keyword.

Key Features:
– Lists relevant affiliate programs based on your search input.
Track keyword rankings with the built-in SiteRank analysis tool.
– Export results in CSV format.

Best Keyword Research Tool For: Affiliate marketers.

Pricing: Free with limited features. The premium version starts at $49/month.

14. TagCrowd

TagCrowd is a useful tool for visualizing keyword frequency. It creates word clouds or tag clouds that display the frequency of keywords on a page. You can use TagCrowd to determine the optimal keyword frequency for a topic or analyze the keywords used by your competitors in their content. While TagCrowd provides a simple user interface and customizable HTML clouds for embedding, premium SEO tools like Semrush and Ahrefs Keywords Explorer offer more detailed data.

Key Features:
– Simple user interface.
– Customized HTML clouds for embedding.
– Multi-language support.

Best Keyword Research Tool For: Visualizing keyword frequency.

Pricing: Free.

15. Soovle

Soovle is a versatile keyword research tool that generates keyword suggestions from multiple popular websites, including YouTube, eBay, Amazon, and Wikipedia. You can toggle between different search engines to tailor your keyword research. Soovle is an excellent tool for finding keyword ideas on search engines other than Google.

Key Features:
– Generates suggestions relevant to each platform.
– Unlimited searches.
– Idea generator.

Best Keyword Research Tool For: Finding keyword ideas on search engines besides Google.

Pricing: Free.

Final Thoughts on The 15 Best Free Keyword Research Tools

Keyword research is a vital component of any successful SEO strategy. It helps you find the right keywords, determine topics your audience is interested in, and gather information about your competitors. The 15 best free keyword research tools listed in this article can simplify these tasks and improve the effectiveness of your SEO efforts.