Advanced Semantic Clustering (Jaccard)

Topic Cluster Generator for Blogs & Content Sites

Paste up to 1,000 raw keywords from Ahrefs or GSC. Our algorithm groups them into semantic topic clusters and generates ready-to-write article outlines instantly. 100% Free.

1. Paste Raw Keywords

One keyword per line
0 Keywords

Grouping Strictness (Similarity Threshold)

Medium (0.3)

Higher = More specific (smaller groups). Lower = Broader topics (larger groups).

2. Topic Clusters

Paste your keywords and click generate to see semantic topic clusters.

The Anatomy of a Topic Cluster

In 2026, Google ranks websites based on Topical Authority, not just single-keyword optimization. To rank for competitive terms, you need a structured network of content.

Pillar Page
(High Volume, Broad Topic)
e.g., "Ultimate Guide to Running Shoes"
Cluster Article 1
(Long-tail)
"Best Shoes for Flat Feet"
Cluster Article 2
(Long-tail)
"How to Clean Running Shoes"
Cluster Article 3
(Long-tail)
"When to Replace Your Shoes"

Jaccard Similarity Algorithm

Unlike basic tools that just look for an exact matching word, our tool uses Jaccard Similarity. It tokenizes phrases, removes stop words (like "how", "to", "the"), and calculates the mathematical overlap between search intents. This groups "baking a cake" and "how to bake cakes" together perfectly.

100% Free & Private

Enterprise SEO tools charge $100+/month for keyword clustering. We run the intensive string-matching algorithms directly in your browser's RAM via Web Workers. No data is sent to a server, and there are no export limits.

Ready-to-Write Outlines

Exporting to CSV is great for spreadsheets, but our "Copy Markdown" feature turns your clustered groups into formatted `H1`, `H2`, and `H3` outlines that you can paste directly into WordPress, Ghost, or Notion.

How to Use This Tool

Create a blog topic cluster strategy with our tool, turning keywords into actionable content plans.

  1. Enter your keyword list into the tool.
  2. Select the desired clustering options.
  3. Run the topic cluster generator.
  4. Review and refine your pillar articles.
  5. Plan supporting posts and content calendar.

What Is Topic Cluster Generator for Blogs & Content Sites?

Our topic cluster generator for blogs helps create a content strategy from your keyword list, identifying pillar articles and supporting posts.

Key features include automatic clustering, content calendar building, and SEO strategy integration for enhanced blogging performance.

This tool benefits bloggers by streamlining content creation, improving SEO, and increasing reader engagement.

Why You Need This

Enhance your blogging SEO strategy

Pro Tips for Best Results

Frequently Asked Questions

What is a topic cluster?

A group of related content pieces centered around a core topic.

How does the tool generate clusters?

Using advanced algorithms to group related keywords and topics.

Can I customize the clustering options?

Yes, select from various options to tailor the output to your needs.

Is this tool suitable for freelance writers?

Yes, it helps streamline content creation and improves SEO strategies.

Do I need SEO experience to use this tool?

No, the tool is designed to be user-friendly for all bloggers and writers.