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Other2026-06-27

Where to build a keyword map: best tools and free alternatives

Short answer

You can build a keyword map free (Google Keyword Planner, Google Trends, search suggestions, Ubersuggest free tier) or paid (Ahrefs, Semrush, Moz, Keys.so, Serpstat). Free is enough for micro-sites under 100 queries. For 500+ queries you need paid tools or you'll spend weeks on manual work.

You can build a keyword map free (Google Keyword Planner, Google Trends, Ubersuggest) or paid (Ahrefs, Semrush, Moz). Free tools work for micro-sites under 100 queries. For 500+ you need paid tools — or you'll spend weeks on manual work.

Free tools

  • Google Keyword Planner — needs Ads account.
  • Google Trends — seasonality.
  • Search suggestions — Google autocomplete.
  • "People also ask" boxes.
  • Ubersuggest free tier — limited but useful.
ToolPriceStrengths
Ahrefsfrom $99/moBest EN database, links + keywords
Semrushfrom $120/moDeep competitor analysis
Mozfrom $99/moDomain authority, easier UI

This question is also asked as:

  • best keyword research tools
  • free keyword research alternatives
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