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Keyword grouper

Cluster a list of keywords by a shared word, so related search terms sit together.

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Keyword grouper
Paste a list of keywords, one per line, and this tool clusters them by a word they share — every phrase containing "cheap" in one group, every phrase containing "review" in another. It suits the moment after keyword research: a few hundred phrases from a research tool or rank tracker that need organizing into topics before they become content briefs, ad groups or page targets.
"Group by" controls which word forms the cluster key: the first word, the last word, or any shared word — the last option lets a phrase join more than one group, so "cheap hotel review" can sit in both a pricing cluster and a review cluster. "Ignore stop words" keeps filler like "the" or "with" from becoming a key. A minimum group size hides one-off clusters, and a modifier list — price, review, guide, free, best — restricts grouping to those known commercial terms instead of every repeated word.
Grouping matches exact words, not stems, so "flight" and "flights" form separate clusters — worth knowing if your list mixes singular and plural phrasing. Pick how the result is shown: indented groups for reading, CSV with a group column for a spreadsheet, or a compact table with a count per group. The tool handles Windows and Unix line endings alike, and the tally under the output reports keywords in, groups formed and how many were left ungrouped.
Everything runs in your browser. Your keyword list is never uploaded, so it is safe to use with client research or unpublished content plans. Copy the result, download it as a .txt file, or send it back to the input to refine the grouping further.
FAQ
What is the difference between grouping by "any", "first" and "last" word?
"First" and "last" key each phrase by a single word, so every phrase belongs to at most one group. "Any" lets a phrase join every group whose word it contains, so "cheap hotel review" can appear in both a "cheap" group and a "review" group.
What happens to keywords that do not share a word with anything else?
They appear in an "ungrouped" section at the end of the result, separate from the clusters, so nothing from your list disappears.
Does it treat "review" and "reviews" as the same word?
No. Grouping matches exact words, not stems, so singular and plural forms — or other variants of the same root — form separate groups.
What does the modifier list do?
When you fill it in, only those words are used as group keys, so clusters form strictly around known modifiers like "price" or "guide" instead of any word that repeats in the list.
Is my keyword list uploaded anywhere?
No. Grouping runs entirely in your browser — your list is never sent to a server and stays on your device.