Browser-first · No sign-up

Keyword Clustering Tool – Group Keywords for SEO

Cluster keywords in seconds with shared-word or root-keyword grouping. Normalize, deduplicate, highlight main keywords, rename clusters, and copy results — all client-side.

No uploads. Everything runs locally in your browser.

Status

Ready to cluster keywords.

Keywords input
22 keywords detectedDuplicates removed automaticallyLive normalization: lowercase + trim
Clustering mode
Actions

Grouping runs client-side. No uploads, no waiting.

No clusters yet. Generate to see grouped keywords.

What is this tool

The Keyword Clustering Tool groups keywords by shared words or root keywords so you can build topical clusters fast. It normalizes, lowercases, and deduplicates inputs, then assigns a main keyword per cluster for easy on-page planning.

Everything runs client-side — paste your keywords, choose a mode, and copy organized clusters instantly.

Use cases

  • Group keyword lists into topical clusters for SEO content planning.
  • Organize PPC keyword sets by shared intent or root terms.
  • Spot main keywords and supporting terms for pillar pages.
  • Clean noisy keyword exports by normalizing and deduplicating.
  • Hand off cluster-ready keyword sets to writers or SEOs.

Popular ways to use this tool

  • Cluster keyword exports from SEO tools before outlining articles.
  • Group long-tail variations under primary topics for pillar/cluster models.
  • Bundle PPC keywords with shared words to improve ad group focus.
  • Quickly re-title clusters to match content briefs and copy the results.
  • Create shareable keyword cluster cards for stakeholders.

How to use Keyword Clustering Tool

  1. Paste keywords separated by new lines or commas.
  2. Choose Similarity or Root grouping mode.
  3. Click Generate clusters to group keywords instantly.
  4. Rename cluster titles if needed and copy any cluster result.

Key features of Keyword Clustering Tool

  • Client-side keyword clustering with similarity or root grouping
  • Normalization, lowercase, and de-duplication before clustering
  • Main/root keyword highlight per cluster with editable titles
  • Per-cluster copy, clear/reset, and example fill
  • Fast processing with no uploads or API calls

Keyword Clustering Tool — key benefits

  • Completely free with no signup or registration required.
  • Runs entirely in your browser — your data is never uploaded.
  • Works on desktop, tablet, and mobile devices.
  • Instant results with no waiting or processing queues.
  • Part of the ToolCircuit suite of free online seo tools tools.

FAQ

Is this keyword clustering tool free?

Yes. It runs entirely in your browser, costs nothing, and requires no sign-up.

How should I format my keywords?

Use new lines or commas. The tool normalizes, trims, lowercases, and removes duplicates automatically.

How are clusters created?

Similarity mode groups by overlapping words; Root mode groups by the first token. The main keyword highlights the dominant term in each cluster.

Can I rename clusters?

Yes. Edit any cluster title inline and copy the updated cluster result.

Do you store my keywords?

No. All clustering happens locally in your browser without any server calls.

Related tools