Keyword Clusterer
Group a keyword list into topic clusters by shared head-term.
✅ 100% free✅ No signup✅ Runs in your browser✅ No data sent to servers
Output
Why this tool survives the ChatGPT era
Topic clusters = how LLMs decide entity authority. Clean clustering = more citations.
Frequently asked
How many keywords?
Up to 500 in one paste; larger sets — use the plugin.
Ship all of this at scale with WBP Omni SEO Pro
Every generator on this page can auto-apply across thousands of WordPress URLs — schema, meta, hreflang, robots, llms.txt — with GEO, AEO and AIO built in.
See pricing →Related Content tools
K
Keyword Density Checker
Analyze keyword density and n-gram frequency with stop-word filtering.
W
Word & Character Counter
Real-time word, character, sentence and paragraph counter.
R
Reading Time Calculator
Estimate reading time by audience (fast, average, slow).
F
Flesch Reading Ease Score
Compute Flesch Reading Ease and Flesch-Kincaid Grade Level.
U
URL Slug Generator
Turn titles into SEO-clean, transliterated slugs.
D
Duplicate Content Checker
Compare two texts and get similarity, Jaccard and shingling scores.
Where teams ship this in production
Real sites using keyword clusterer-style patterns for SEO growth.
shopify.com