Keyword Research · Tools

Free Keyword Research Tools: What You Can Do Without Paying

You can build a solid keyword strategy without spending a penny. Here are the free keyword research tools worth using, what each one shows you, and how far free gets you before a paid tool is genuinely worth considering.

Updated: July 2026
Written by: Andrew Odgers, Managing Director
Reading time: 8 minutes
The short answer

The free tools worth using are Google Keyword Planner, Google Search Console and Google Trends, plus autocomplete and related questions. Planner shows ideas and demand, Search Console your real queries, Trends interest over time. You can do proper keyword research entirely for free. A paid tool earns its place at volume or for deeper competitor data. Free tools are not less accurate; Search Console is your own real data.

Free, and genuinely good

Which free tools to use, and what each shows

Google Keyword Planner, Google Search Console and Google Trends cover most needs between them, alongside Google's own autocomplete and related question suggestions. Google's tools do the heavy lifting; because they come from the search engine itself, they are both free and credible. Keyword Planner shows keyword ideas and demand, Search Console shows your real queries, and Trends shows how interest changes over time and by region. Each answers a different question; because they complement each other, using them together covers a lot, and we cover the first two in Keyword Planner and Search Console.

FT 01

Planner and Trends

Ideas and interest.

FT 02

Search Console

Your own real data.

FT 03

Free is enough

For most small sites.

How far free goes, paid tools and accuracy

Whether free is enough, when to pay, and how accurate they are

Free tools plus reading the actual search results will get most small businesses everything they need to build a solid keyword strategy. Free goes a long way; because the essentials are free, cost is rarely the barrier to good research, as covered in how to use keyword research tools. A paid tool earns its place when you research at volume, need deeper competitor data or want everything in one dashboard, which suits agencies more than small sites. Volume justifies paying; because free covers the basics, paid tools buy depth and speed rather than necessity. Free tools are not necessarily less accurate; Search Console is your own real data and so is more accurate than any estimate, though free demand figures can be broader ranges. Accuracy varies by tool, not by price; because every tool estimates differently, treat all figures as guides, including search volume.

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Frequently asked

Free keyword research tools

What free keyword research tools are worth using?
Google Keyword Planner, Google Search Console and Google Trends cover most needs between them, alongside Google's own autocomplete and related question suggestions. Google's tools do the heavy lifting. Because they come from the search engine itself, they are both free and credible.
What does each free tool show you?
Keyword Planner shows keyword ideas and demand, Search Console shows your real queries, and Trends shows how interest changes over time and by region. Each answers a different question. Because they complement each other, using them together covers a lot.
Can you do proper keyword research for free?
Yes, free tools plus reading the actual search results will get most small businesses everything they need to build a solid keyword strategy. Free goes a long way. Because the essentials are free, cost is rarely the barrier to good research.
When is a paid tool worth it?
A paid tool earns its place when you research at volume, need deeper competitor data or want everything in one dashboard, which suits agencies more than small sites. Volume justifies paying. Because free covers the basics, paid tools buy depth and speed rather than necessity.
Are free tools less accurate?
Not necessarily; Search Console is your own real data and so is more accurate than any estimate, though free demand figures can be broader ranges. Accuracy varies by tool, not by price. Because every tool estimates differently, treat all figures as guides.