23 Best Keyword Clustering Tools: How to Rank on Google

Keyword clustering tools streamline your content strategy and make Google rank your content on page one. 

Every content creator and blogger is in a race to get their content to rank on the first page of Google search results organically. ‘Keyword Clustering’ could be the key to SEO success.

This blog post will explore the top keyword clustering tools like Cluster AI, Keyword Insights, Surfer SEO, and more.

Excited to boost your SEO? Let’s begin.

Recommended Keyword Clustering Tools

Get started quickly with these two top platforms. They currently offer $1 trial periods, the perfect time to test drive two of the best keyword research tools on the market.

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“53% of website traffic comes from organic search.“

— source: serachengineland.com

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Now let us dive into the complete list;

1. Keyword Insights

Keyword Insights groups keywords topically to be targeted simultaneously on a single page.

Its advantage is that it delivers keyword research, topical clustering, and content briefs in one easy-to-use platform.

Upload your keyword list from any analytics tool, or use Keyword Insights’ Keyword Discovery feature.

Quickly receive topic recommendations, identify content strategy gaps, and discover NLP-driven topic connections. 

Key Features 

Purchase credits using the Pay-as-you-go option for flexibility (costs more per credit). Or, opt for a subscription starting at $49 monthly.

2. NeuralText

NeuralText is an all-in-one AI-powered content platform that promises to save you time and money.

It automates your content creation process into a logical series of tasks.

This tool claims it will reduce your content planning time by a whopping 95%.

It works effortlessly with any keyword research tool (SEMrush, Ahrefs, etc.). It supports language and location SERP data to get accurate results in real time.

Key Features 

NeuralText pricing starts from $19/month for the Starter plan. However, clustering is only available on the Basic plan and above ($49/m). Try NeuralText for 5 days for $1.

3. KeyClusters

Manual keyword research is tedious and time-consuming. Not to mention all the scary stuff that can affect your SEO rankings if you get it wrong, like keyword cannibalization and incorrect search intent.

Using KeyClusters removes all those problems by automating your keyword research strategy into intelligent topical clusters.

KeyClusters will locate all the keyword queries you can go after with page-by-page analysis.

Key Features 

KeyClusters pricing starts from as little as $9 for 1,000 keywords (+100 free credits). No monthly subscriptions.

4. KeyWI

KeyWI uses search engine data, not language similarities, to accurately determine the best topical clusters for your content. 

Using advanced algorithms and Natural Language Processing (NLP), KeywWI takes your keywords and collates search engine data before grouping them into logical topical clusters that search engines recognize as related topics. 

Key Features 

KeyWI offers a free 14-day trial, and paid plans start from $39 per month on the Basic plan.

5. Surfer SEO

I’ve been a long-time user of Surfer SEO, a superb SEO content optimization editor. It’s an integrated content research, planning, and SEO optimization tool.

Unlike other tools, it has an inbuilt keyword discovery feature with search volume data and categorizes keywords based on search intent.

So, whether you’re doing keyword research or refining existing content, Surfer streamlines the process effectively.

Trust me, once you start using Surfer’s power, you’ll unlock a new level of success in your SEO performance.

Key Features 

The Surfer Lite plan costs just $29 monthly and is enough for small projects and casual writers. 

6. SEO Scout

From optimizing your on-page SEO to planning your blog content strategy, SEO Scout gives you data to improve your keyword performance and search rankings. 

The free Keyword + Clustering tool SEO is easy to use and gives accurate topical groupings for a few keywords.

Key Features 

SEO Scout is a premium paid product with price plans from $49 monthly. However, the keyword grouping tool is 100% free.

7. SE Ranking

SE Ranking is a comprehensive SEO platform that offers a wide range of tools for tracking SEO data. 

The keyword grouper tool analyzes and compares the top ten SERP results for a search term. Every keyword is compared against each other, and groups are formed for matching topics.

As with all SE Ranking tools, this tool has advanced features such as language and location support, hard and soft grouping methods, and search volume data (for an extra cost).

Key Features 

SE Ranking price plans come in annual and monthly options, with yearly plans being 20% more cost-effective. Monthly SE Ranking subscriptions start from $55 per month for the Essential plan.

8. Inkforall

With advanced AI powers 🤖, this all-in-one writing software helps writers identify keyword ranking opportunities and gaps in their SEO strategy.

Unlock your potential to rank content on page one of Google search with INK Keyword Clustering. It takes just 3 simple steps, and you can import data from SEO tools you already use, like Semrush, Ahrefs, or Google Keyword Planner.

Upload your list of keywords into the keyword cluster tool, let INK group similar keywords into clusters, and start writing. It’s that simple! 

Key Features 

Inkforall price plans start at $49 per month, but you can get started with a free 5-day trial (10k words, no cc).

9. Frase

Frase is an AI-powered writing platform that helps content creators produce SEO-optimized articles that appear in Google searches with a few clicks.

Use Frase to analyze top-ranking search results for your keyword instead of doing it manually. Its AI quickly creates an article outline for you to expand on. 

In the text editor, you will have guided content scoring based on the groups of keywords it has identified to make sure you write articles that Google will love. 

Key Features 

Frase pricing starts at just $14.99 monthly; cancel anytime. You can try Frase for $1 (5-day trial).

10. Cluster AI

Bogged down by keyword research? Check out this keyword grouping tool by Content Distribution. It’s called Cluster AI.

Let the AI magic accurately predict which keywords to target, improving your topical authority and aligning with your readers’ search intent. Impressive. 🙌

Example of a Cluster AI generated keyword cluster report.

Key Features 

Cluster AI costs depend on the number of keywords. A free trial for 200 keywords is available. Paid plans start at $39/month for 1,000 keywords.

11. SerpStat

Serpstat is an all-in-one toolkit for SEO and PPC pros. It offers over 30 tools, including a Keywords Clustering Tool. This feature allows you to effortlessly analyze up to 50,000 keywords into cohesive groups.

Serpstat allows you to select soft or hard clustering, analyze keywords from the top 30 results, and use any search engine. It also assesses your pages and posts, generating keyword groups for each.

Each keyword is tagged with a connection strength indicator, showing how closely it relates to the cluster’s topic on a scale of zero to one.

Key Features 

Try a 7-day trial or pick a monthly SerpStat subscription for $59. 

12. SEOwind

SEOwind is a powerful AI-driven content brief generator, not a stand-alone keyword research tool. That being said, it does an excellent job of keyword clustering using AI within the flow of the content brief.

Clustering for a specific content brief is excellent because it gives the writer ideas of what topics to include and a variety of related keywords and phrases to include in the content. 

SEOwind improves your workflow, simplifying your keyword research and SEO optimization. 

Key Features 

SEOwind’s cost is higher because it is a content brief and keyword optimizer platform. The Basic plan starts at $59/month.

13. Keyword Cupid

Tired of your web pages not showing on page one of Google SERPs? You should try this competition-beating keyword research suite to boost your niche authority.

In the blink of an eye, Keyword Cupid harnesses Google data to quickly cluster keywords according to how Google sees its search intent usage.

Keyword Cupid is easy to use, creating a simple three-step workflow for you to follow. Go from data gathering to content writing in no time, removing all guesswork and helping you rank consistently.

Key Features 

Start with the Starter plan at $9.99/month on Keyword Cupid. For more features, there’s the Freelancer plan at $49.99/month. Start a 7-day trial before choosing a plan. 

14. Thruuu

Meet Thruuu, the comprehensive Google SERP scrapper here to help you rank your content! 🚀 

With Thruuu, you can effortlessly create SEO-optimized content that Google loves and ranks. How? Their keyword clustering tool improves your SEO organization and helps drive more organic traffic to your web pages. 🎯

So, how does it work? Upload your keyword list, and let the software do its magic. Thruuu intelligently groups key phrases based on search intent and the top 100 SERP results for that search term. 

Key Features 

Thruuu will give you 10 free credits to start, after which you can choose a Thruuu subscription for $13 monthly.

15. Contadu

With Contadu, you’re writing and strategizing for success with a full-feature SEO content optimization tool. 

Suppose you’re only interested in planning your SEO strategy. In that case, Contadu provides an easy-to-use Keyword Grouper that’s 100% free to use. 

You can copy and paste your keywords into the input field (up to 100K). Contadu will quickly organize them into logical clusters– saving you a lot of time and giving your content strategy a clear direction.

Key Features 

16. ZenBrief

ZenBrief is a top-notch AI content brief editor and keyword clustering tool. It uses advanced AI and NLP to analyze your competitors, offering valuable insights for improved content creation. 

Despite being a free tool, ZenBrief provides advanced features such as the ability to write content directly within the tool using topical clusters.

I uploaded over 3,000 keywords, and in a few minutes this, some of the clusters it gave me;

Key Features 

It won’t cost you anything to use ZenBrief; it is a free tool.

17. WriterZen

Supercharge your content with WriterZen – a next-generation AI writing assistant and content optimizer powered by GPT-3.

One of its many features is a Keyword Explorer, your secret weapon to discovering the perfect keywords that’ll catapult your content to the top of the search rankings. 

Like Surfer SEO, this tool doesn’t allow you to import your keywords. Instead, it cleverly creates clusters from the keyword phrase you give it. 

Key Features 

Start a free trial of WriterZen or sign up for a monthly subscription starting from $23.

18. Charly Wargnier Keyword Cluster Tool

Developer Charly Wargnier has put together an easy-to-use keyword cluster tool that’s also free to use! Thanks, Charly 👊

It lets you upload your Google Search Console, Ahrefs, or SEMrush reports and outputs clusters of keywords along with metrics such as keyword difficulty, volume, and cluster size.

This Keyword grouper is straightforward and offers free keyword clusters using actual SERP data. If you’re good at Excel, you could make fancy dashboards to wow your team members🫶.

Key Features 

19. Cluster Army

Cluster Army is ideal for small websites and hobbyists who want to enhance their content strategy with keyword clustering– for FREE! 💵

Upload 50,000 keywords simultaneously, allowing the algorithms to automatically group them based on similarity and search intent into “stems”.

The interface is easy to use, though the output is less intuitive;

Here is a preview of the cluster report for the search term’ french bulldog’ from my Ahrefs keyword report:

Key Features 

20. Keyword Clarity

Keyword Clarity is a free tool that simplifies identifying keyword clusters. 

This keyword organizer takes a different approach to display topic clusters. Instead of dull spreadsheets, analysis is shown on spider diagrams and tree maps.

You can connect Keyword Clarity to Google Search Console or import your data as a .csv file from any other source. You can then group keywords into semantic groups.

Say goodbye to complex spreadsheet formulas and hello to a more efficient keyword optimization journey!

Key Features 

21. Keywords In Sheets

Do you like organizing your content creation in Google Sheets? Adding keyword research to your Google Sheets workflow makes sense if you do.

Keywords In Sheets lets you gather and analyze 1000s of keywords using just four Google Sheets functions. 

Instantly get data about related keywords, competitors’ keywords, search results, and questions.

You will find unique metrics using this SEO keyword tool, such as Growth rate, Keyword Age, and Last Month’s Search Volume.

Key Features 

22. MarketBold Keyword Grouper Pro

If you’re looking for a good, free keyword analysis and grouping tool, look at Keyword Grouper Pro. 

This tool effortlessly sorts through your keyword list – long-tail keywords, broad words, questions, LSI terms, or trends – and categorizes them into related and easy-to-navigate groups.

It’s the perfect ally to enhance your SEO strategy without breaking the bank!

Another thing I like about it is that you don’t need to install any software; It works in Chrome and Firefox on Mac and PC.

Key Features 

23. Topvisor

Topvisor is an SEO and PPC tool that helps you master keyword research, track SERP rankings, and analyze website SEO performance.

Topvisor’s keyword clustering feature allows you to send automated queries to search engines based on your chosen keywords. It then matches URLs from search results to each keyword within the top 10 SERP rankings. 

It intelligently groups similar keywords by comparing the number of URLs that match the search term. 🚀

Key Features 

You can use Topvisor for free, up to 100 keywords. Paid plans range from $29 to $599 per month. 

What is Keyword Clustering?

Keyword clustering is the process of grouping related keywords so writers can target multiple search queries, boosting article keyword ranking potential.

Combining the power of related keywords into a unified group allows you to aim your content at a whole range of search queries, not just one or two. Boom, winning SEO strategy 🙌

Moreover, keyword clustering helps structure your website more topically, making it easier for Google to understand and rank your content.

If you’re still stuck using individual keywords, my friend, it’s time to step into the future. 

Benefits of Keyword Clustering Tools

• Topical Authority: Show search engines that your website is an authority in a specific niche. The more you write on similar topics, the more Google acknowledges your site as a subject matter expert.
• Improved Google Rankings: Google loves content that is thematically linked. Using keyword clusters in your content strategy makes you more likely to rank on page 1 of Google SERP results.

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“75% of users never scroll past the first page of search“

— source: forbes.com

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• Content Relevancy: With keyword clustering, your content is more likely to match the search intent and be relevant and valuable to your target audience, which can increase traffic, user engagement, and conversion rates.
• Strategic SEO Planning: Grouping keywords with shared intent helps craft a content roadmap that targets numerous keywords for a topic instead of concentrating on single keywords.
• Time-Saving: Manual keyword clustering is practically impossible on a large scale and time-consuming.

How to Choose the Best Keyword Clustering Tool

Choosing the best keyword clustering tool involves considering your budget, needs, and features. What works for others may not work for you.

• Budget: Some offer free trials, while others have monthly or yearly subscriptions. Finding a budget-friendly tool with the necessary features is important.
• Features: Some tools have advanced clustering algorithms, superior reporting capabilities, or better integration with SEO platforms. Choose a tool that delivers the desired results.
• Usability: A tool is only valuable if it’s easy to use. Avoid wasting time on complex interfaces. Opt for user-friendly tools with excellent customer support.
• Integration: If you’re using other SEO tools, make sure whichever keyword grouper you pick will work alongside them.

Summary Table

Wrap Up

In the ever-evolving sphere of SEO strategy, keyword clustering tools have emerged as a game-changer for content creators and bloggers. 

By harnessing the power of these efficient tools, such as Cluster AI, NeuralText, and KeywordInsights, you can boost your content’s visibility and ranking in search results. 

Whether you are just starting in the blogging world or a seasoned content creator looking to enhance your SEO tactics, investing in a reliable keyword clustering tool is a step in the right direction. 

Remember, the right tool will help you understand the nuances of keyword clustering and turn it to your advantage. 

Happy optimizing!