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Everything You Need for Keyword Research

SEOLens provides a comprehensive suite of keyword research tools, completely free. From search volume to difficulty analysis, get everything you need in one place.

Search Volume Data

Get accurate monthly search volume data powered by Google Keyword Planner. Understand the true demand behind every keyword to make data-driven content decisions.

  • Average monthly search volume
  • Historical trend data
  • Seasonal fluctuation insights
  • Volume ranges by region

Keyword Difficulty Scores

Instantly gauge how hard it will be to rank for any keyword. Our difficulty scores factor in competition levels, CPC data, and search intent to give you a clear picture.

  • Easy / Medium / Hard difficulty labels
  • Competition index from Google
  • CPC range indicators
  • Actionable ranking recommendations

Related Keyword Suggestions

Discover high-value keyword opportunities you might be missing. Our suggestion engine surfaces semantically related terms, long-tail variations, and question-based queries.

  • Semantically related keywords
  • Long-tail keyword variations
  • Question-based queries
  • Volume and difficulty for each suggestion

20+ Country Coverage

Research keywords in over 20 countries and 14 languages. Get localized search volume and competition data tailored to your target market.

  • US, UK, Japan, Germany, France, and more
  • 14 language options
  • Localized search volume data
  • Country-specific competition metrics

REST API Access

Integrate keyword research directly into your tools and workflows with our simple REST API. Perfect for building custom dashboards, automating content pipelines, or powering SEO tools.

  • Simple POST endpoint
  • JSON request and response
  • Batch keyword research support
  • MCP (Model Context Protocol) integration

Smart Caching

Results are cached in Supabase for lightning-fast repeated lookups. The same keyword query returns instantly from cache, reducing API costs and improving response times.

  • Supabase-backed result caching
  • Instant cache hits for repeated queries
  • Reduced API costs
  • Automatic cache invalidation

Ready to start your keyword research?

Open Keyword Tool