7 Best Free Online Keyword Clustering Tool Websites
Here is a list of best free online keyword clustering tool websites. Keyword clustering is a process of grouping keywords with similar meanings together. This process is similar to grouping books based on their subjects. Keyword clustering is widely used in SEO (Search Engine Optimization) and Content marketing fields. To improve SEO, keyword clustering is used in keyword research, internal linking, content targeting, and topic exploration. Similarly, Content marketing fields like content planning, audience segmentation, and content optimization use keyword clustering. If you also want to cluster keywords based on their similarities, check out these online keyword clustering websites.
Through these websites, users can convert hundreds of keywords into multiple meaningful groups or clusters. Most of these websites can automatically choose the right keyword to represent each cluster. However, users can also manually specify the group or cluster name on some keyword clustering tools. Some websites also let users specify a specific number of keyword clusters they want to generate. Plus, options to specify the minimum and maximum numbers of keywords each cluster should contain are also available. Besides English, some websites can also be used to cluster keywords of other languages like Spanish, French, Dutch, Chinese, Arabic, Hindi, and more. After performing the keyword clustering process, users can copy and save the groups in XLSX, CSV, PDF, TXT, etc., formats. The process to cluster keywords is quite simple on all these websites.
These websites have additional tools such as SEO Split Testing, Topic Research Tool, Content Optimization Tool, Keyword Merge, Keyword Planner Alternative, Keyword Discovery, and more. Go through the list to learn more about these websites.
My Favorite Online Keyword Clustering Tool Website:
contadu.com is my favorite website as it can create multiple keyword clusters from a list of hundreds of keywords. Plus, it allows users to specify keywords to predefined groups.
You can also check out lists of best free Online Review Generator, Online Heading Checker Tool, and Online Proxy Extractor Tool websites.
Comparison Table:
| Features/Website Names | Offer more than one ways to cluster keywords | Let users specify keyword cluster names | Allow users to exclude keywords from group titles |
|---|---|---|---|
| contadu.com | ✓ | ✓ | x |
| seoreviewtools.com | x | ✓ | x |
| seoscout.com | x | x | ✓ |
| umbrellum.com | x | x | x |
| clusterkeywords.com | x | x | x |
| keywordclustering.zenbrief.com | x | ✓ | x |
| ryrob.com | x | x | x |
contadu.com
contadu.com is a free online keyword clustering tool website. Through this website, users can build keyword clusters based on common subwords or assign keywords to user-defined groups. To perform keyword clustering, it uses common text processing algorithms. Before generating keyword clusters, users can specify the preferred number of keyword clusters they want to make. Plus, users can also choose languages other than English to represent keyword clusters. If you want to assign keywords to some custom groups, then specify matching accuracy (Extra Strict, Strict, Medium, Broad, Extra Broad). After generating keyword clusters, users can save it in XLS file format. Now, follow the below steps.
How to cluster keywords online using contadu.come:
- Visit this website and access keyword clustering and grouping tools.
- After that, choose Build keyword clusters based on the common subwords option.
- Now, enter all the keywords in the Input Keywords section.
- Next, specify the number of clusters you want and language parameters.
- Finally, click on the Group Keywords! button to view all the keyword groups and keywords they contain.
Final Thoughts:
It is my favorite online keyword clustering tool website as it helps users cluster keywords based on common subwords and user-defined groups.
| Pros | Cons |
|---|---|
| Offers two ways to cluster keywords | |
| Exports keyword clusters in XLS file format |
seoreviewtools.com
seoreviewtools.com is another free online keyword clustering tool website. This website offers a simple keyword clustering tool that helps users cluster multiple keywords into manageable groups. This tool can automatically create clusters by using a similar set of keywords. However, users can also specify custom keyword cluster names and a maximum number of keywords allowed per cluster. The final keyword clusters generated by this website can be copied to the clipboard. Now, follow the below steps.
How to cluster keywords online using using seoreviewtools.com:
- Visit this website and access the Keyword Cluster Tool.
- After that, enter a list of keywords that you want to cluster.
- Now, go to the Advanced Options section and specify custom keyword cluster names which is completely optional.
- Next, specify the maximum number of keywords per cluster you want.
- Finally, click on the Start Creating Content button and view all the generated keyword clusters.
Additional Features:
- This website offers multiple tools related to SEO Authority, Technical SEO, SEO Content, Webmaster, and Google SEO.
Final Thoughts:
It is another good online keyword cluster tool website that offers a simple keyword cluster tool that quickly generates multiple keyword clusters based on similarity between keywords.
| Pros | Cons |
|---|---|
| Lets users specify keyword cluster names | |
| Users can limit the number of keywords each cluster can carry |
seoscout.com
seoscout.com is another free online keyword clustering tool website. This website offers a simple keyword clustering plus a keyword group tool. This tool automatically creates multiple keyword clusters after analyzing the common words present in the input keyword list. However, users can specify primary keywords they don’t want in keyword clusters. I also like its ability to support keywords of multiple languages like Finnish, Spanish, English, Dutch, Arabic, Porter, and more languages. After clustering and grouping keywords, users can save them in CSV file format. Now, follow the below steps.
How to cluster keywords online using seoscout.com:
- Go to this website using the given link.
- After that, paste a list of keywords in the keywords section.
- Now, specify the keywords that you want to exclude from the group titles.
- Next, choose a keyword language and click on the Group Keywords button.
- Finally, view and save the keyword clusters in CSV file format.
Additional Features:
- This website has multiple online tools such as SEO Split Testing, Topic Research Tool, Content Optimization Tool, SEO Performance Reporting, etc.
Final Thoughts:
It is another good online keyword clustering tool that anyone can use to cluster multiple keywords into separate groups.
| Pros | Cons |
|---|---|
| Lets users exclude certain keywords from the group titles | |
| Users can save the keyword clusters in CSV format |
umbrellum.com
umbrellum.com is another free online keyword clustering tool website. This website helps users quickly cluster multiple keywords into groups based on similarities between keywords. After clustering keywords, it shows all the groups and keywords they carry. It also shows the number of keywords each group carries. The final result can be reported in Excel, CSV, and PDF formats. Now follow the below steps.
How to cluster keywords online using umbrellum.com:
- Visit this website and access the keyword clustering tool.
- Now, paste a list of keywords in the input section.
- Next, click on the Submit button to start the keyword clustering process.
- Finally, view and export all the keyword clustering groups.
Additional Features:
- This website offers multiple free tools like Keyword Merge, Keyword Planner Alternative, Keyword Discovery, Keyword Gaps, Ranked Keywords, and more.
Final Thoughts:
It is another simple online keyword clustering tool that anyone can use without much hassle.
| Pros | Cons |
|---|---|
| Users can export the clustered keywords in CSV, Excel, and PDF formats |
clusterkeywords.com
clusterkeywords.com is another free online keyword clustering tool website. Through this website, users can cluster up to 3000 keywords at a time. To add keywords to this website, users can either paste keywords to its interface or fetch a CSV file carrying keywords. After fetching keywords, it starts the keyword clustering process and shows total number of keywords, clustered keywords, number of topics, clustered percentage, and number of unclustered keywords. All the groups and their keywords can also be viewed on its interface. It also lets users download individual clusters as well as all keyword clusters in CSV file format. Now, check out the below steps.
How to cluster keywords online using clusterkeywords.com:
- Visit this website and access the Keyword Clustering Tool.
- Now, paste keywords or fetch a CSV file carrying keywords.
- Next, view all the keyword clusters and keywords carried by them.
- Finally, download keyword clusters in CSV format.
Additional Feature:
- This website also offers a handy text summarizer tool that users can use for free.
Final Thoughts:
It is another capable online keyword clustering tool that not only clusters multiple keywords but also shows various statistics associated with them.
| Pros | Cons |
|---|---|
| Can fetch keywords from a CSV file | |
| Lets users save individual keyword clusters | |
| Shows statistics related to clustered keywords |
keywordclustering.zenbrief.com
keywordclustering.zenbrief.com is another free online keyword clustering tool website. This website offers a simple and effective keyword clustering tool that quickly divides a large number of keywords into clusters. It also lets users specify the minimum and maximum cluster size. Unlike most other similar websites, it can fetch keywords from a Text file. After creating clusters, it shows all cluster titles and keywords contained by each cluster. Some additional statistics are also provided by it like Total Keywords, Number of Clustered Keywords, Number of Clusters, Average Cluster Size, and Median Cluster Size. Now, follow the below steps.
How to cluster keywords online using keywordclustering.zenbrief.com:
- Visit this website and load all the keywords.
- Now, go to Advanced Settings to specify the minimum and maximum cluster size.
- Next, click on the Create Cluster button to view all created keyword clusters with added statistics.
- Finally, download the clusters in XLSX file format.
Additional Features:
- This website offers additional content briefs, content editor, and content audit tools.
Final Thoughts:
It is another good online keyword clustering tool website that anyone can use to convert a large set of keywords into multiple keyword clusters.
| Pros | Cons |
|---|---|
| Can fetch keywords from a TXT file | |
| Saves output in XLSX format | |
| Shows statistics of clustered keywords |
ryrob.com
ryrob.com is the last free online keyword clustering tool website. Through this website, users can cluster keywords into multiple groups based on their similarity with each other. This website also explains the benefits and usage of keyword clustering. The process of clustering keywords through this website is also quite simple. After performing the keyword clustering operation, users can copy the output. Now, follow the below steps.
How to cluster keywords online using ryrob.com:
- Visit this website using the given link.
- After that, enter all the keywords in the keyword cluster section.
- Now, click on the Generate button to start the keyword clustering process.
- Finally, view all the keyword clusters along with the keywords each cluster carries.
Additional Features:
- This website also offers some handy tools like domain name generator, paragraph rewrite, blog idea generator, and more.
Final Thoughts:
It is another good online keyword clustering tool website that anyone can use without much hassle.
| Pros | Cons |
|---|---|
| Easy to use |
Frequently Asked Questions
A keyword cluster is a group of similar keywords that share the same meaning and intent.
Keyword clustering can be used in various fields like keyword research, identify core topics, semantic analysis, create keyword clusters,choose a core keyword, create content for each cluster, and more.
Clustering keywords offers several valuable benefits across various fields, from SEO and content marketing to information retrieval and research. Keyword clustering is used to enhance SEO as targeting clusters expands your scope beyond individual keywords, allowing you to rank for multiple related terms and attract a wider audience.
In the context of SEO, a cluster refers to a group of similar keywords that share the same meaning, intent, and potential search results. Imagine it like dividing your wardrobe into categories - shirts, pants, shoes, etc. Clustering your keywords organizes them in a way that helps you Improve SEO, Optimize Content Creation, and Analyze Trends and Insights.
You can use above mentioned free online keyword clustering tools such as contadu.com, seoreviewtools.com, seoscout.com, and umbrellum.com. These tools help you quickly create multiple meaningful and associated clusters of keywords from a large list of random keywords.
Naveen Kushwaha
Passionate about tech and science, always look for new tech solutions that can help me and others.
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