Keyword Generator
About this tool
Paste your content and extract the most frequently used keywords and phrases. Analyze keyword density and find opportunities to optimize your content for search engines.
What the free tools actually do
Seven of them run in the browser and ask for nothing. The eighth asks for a domain and an email, because it has to send you a report.
- best AI visibility trackerDailyChatGPTGeminiPerplexityClaude
A real check, right now. Four models asked your question, with the answers they gave back.
- Prompt ideaswhat is AEO2.4kbest AEO tools1.1kAEO vs SEO860
Prompt research, free. A sample of the ideas the paid research page ranks.
A crawler that only reads. It fetches your pages the way an AI crawler would and never writes.
- Generatorsllms.txtGenerateFAQ schemaGenerateArticle schemaGenerate
Copy-paste output. llms.txt and schema markup you can paste straight into the page.
- 30sto a visibility report on your domain
Use it in the pitch. Screenshot it, export it. White-label and weekly is the paid plan.
Everything you're wondering
Or ask us anything at hello@zerorank.ai
What is keyword density?
Keyword density is the percentage of times a keyword appears on a page compared to the total number of words. A healthy density is typically between 1-3%.
How many keywords should I target per page?
Focus on one primary keyword and 2-3 related secondary keywords per page for best SEO results.

