Free Keyword Research Tool: A Workflow Built on Google's Own Data

Table of Contents
- Which free keyword research tool should you use for each job?
- How do I find keywords my site already ranks for?
- Is there a free keyword research tool with search volume?
- Is Google Keyword Planner free?
- What does a free keyword generator add?
- How do I get keyword ideas from Google itself?
- How do you check search intent before writing?
- How do you turn a long keyword list into a short content plan?
- When does a free keyword research tool stop being enough?
- What free keyword data cannot tell you
The best free keyword research tool is not one tool but four free sources used in order: Google Search Console for the queries you already appear for, Google Keyword Planner or a free keyword generator for search volume, Google Autocomplete, People Also Ask and Google Trends for phrasing, and the live results page for intent. Each covers a job the others cannot.
Most "free keyword research tool" lists hand you fifteen logins and no plan, and you end the day with a spreadsheet of keywords you cannot rank in any order. Below is the order that works, what each free source gives you, where each one stops, and how to turn the survivors into a short list of pages.
Which free keyword research tool should you use for each job?
Use the source that is strongest at the job in front of you. No single free keyword research tool does all four jobs well, but this combination gets you most of the way.
| Job | Free source | What you get | The catch |
|---|---|---|---|
| Find queries you already rank for | Google Search Console | Real queries, impressions, clicks, average position for your own site | Only shows queries you already appear for; the interface export stops at 1,000 rows |
| Put a number on new ideas | Google Keyword Planner, or a keyword generator backed by a third-party database | Monthly search volume estimates | Planner needs a Google Ads account with billing set up, and lower-spend accounts may only see ranges |
| Find the questions people type | Google Autocomplete, People Also Ask, Google Trends | Phrasing, sub-questions, seasonality | No volumes; Trends is relative, not absolute |
| Decide intent and group keywords into pages | The live SERP, plus a free intent checker and clustering tool | Which format wins, which keywords share a page | Takes judgement; no tool replaces looking at the results page |
If you want the volume step done in one place, the free keyword generator with monthly search volume covers it, and the rest of this guide shows where it fits.
How do I find keywords my site already ranks for?
Open the Performance report in Google Search Console: it lists the actual queries that produced impressions for your pages, with clicks and average position. That makes it the most underrated free keyword research tool, because it is first-party data about your site, not a modelled estimate.
Two limits are worth knowing. Google explains these limits in its October 2022 Search Central post on performance data. The maximum you can export from the Search Console interface is 1,000 rows, while the Search Analytics API allows up to 50,000 rows per day per site per search type. The same post explains that anonymized queries are left out of the query table but still counted in the totals, so the rows never add up to the chart. On a small site the 1,000 rows are often enough. On a larger one, the long tail you care about is likely to be in the rows the interface does not export.
How to turn the report into a keyword list:
- Set the date range to the last three months and open the Queries tab with impressions, clicks, and position all shown.
- Sort by impressions and look for queries with average positions roughly between 8 and 20. These are queries Google already associates with you, where a better page or a dedicated section could move you onto page one.
- Filter queries containing "how", "what", "best", or "vs". Question and comparison queries with impressions but few clicks are the clearest content gaps you have.
- Click into a query and check the Pages tab. If two of your URLs split impressions for it, that is a consolidation job, not a new article.
Combining these numbers with volume and difficulty into one priority list is what keyword intelligence means in practice, and that post walks through a real example.
Is there a free keyword research tool with search volume?
Yes, two: Google Keyword Planner, with conditions, and keyword generators that read from a third-party keyword database. Search Console tells you nothing about queries you do not yet appear for, so new ideas need a volume estimate from one of them.
Is Google Keyword Planner free?
It is part of Google Ads rather than a standalone free tool. Google's Keyword Planner help page says you must complete account setup, including billing information, to access basic features such as "Get ideas for new keywords", and that keywords with very low search volumes, or keywords considered sensitive, are not discoverable. Search Engine Land reported in August 2016 that Google confirmed advertisers with a lower monthly spend may see a limited data view, with volume shown in ranges such as 100 to 1K or 1K to 10K rather than exact figures. A range is still useful for deciding between ideas; it is not useful for estimating traffic.
What does a free keyword generator add?
It fills the gap without an ads account. The free CrawlTide keyword generator takes a seed phrase and a country, checks our keyword database (built on Google data) for up to 50 searches containing that seed, and returns monthly volume, difficulty, CPC, competition, and intent as the provider supplies them. Where the provider has no number, the table says "Not reported" instead of guessing.
If you also care about Bing, Bing Webmaster Tools has a Keyword Research tool that suggests keyword ideas with how often they are searched on Bing. Those numbers describe Bing searches, so they will not match Google figures.
Treat every volume figure as an estimate. Planner ranges and third-party databases model demand differently, so use them to rank ideas against each other, not to forecast clicks.
How do I get keyword ideas from Google itself?
Use the three free Google surfaces that show real phrasing: Autocomplete, People Also Ask, and Google Trends. Volume tools are good at head terms and weak at phrasing, and these fill that in.
- Autocomplete: type your seed followed by a space, then each letter of the alphabet, and note the completions. Add "how", "can", and "why" in front of the seed for question forms.
- People Also Ask: expand two or three questions and new ones load underneath. The questions that keep reappearing are the sub-topics a complete page should answer.
- Google Trends: use it for timing and comparison, not volume. Google's Trends Help explains that it uses a sample of Google searches, scales results on a range of 0 to 100, and shows low-volume terms as 0. A flat zero for a niche phrase means "too small to show", not "nobody searches this".
How do you check search intent before writing?
Search the keyword and look at the top results before you commit to a format. If the first page is interactive tools, a blog post will struggle no matter how good it is. If it is listicles, a single-product page will struggle. Volume tells you a keyword is worth something; the results page tells you what kind of page can win it.
For a quick first pass on a long list, the free keyword intent checker scores five intent signals (informational, commercial investigation, transactional, navigational, and local), picks the dominant one with a confidence level, and flags a close secondary intent, which is usually a sign the SERP is mixed. Use it to triage, then confirm the keywords you care about by looking at the live results yourself.
How do you turn a long keyword list into a short content plan?
Group it: keywords that share intent and wording usually belong on one page, not five. By now you probably have more keywords than pages you could ever write, and grouping is what turns the list into a plan.
The free keyword clustering tool takes up to 200 keywords, classifies each by intent, and sub-clusters them by shared content words. We ran this article's own keyword family through it in October 2026: "free keyword research tool", "free keyword tool", "keyword research tool free" and "best free keyword research tool" landed in one cluster, tagged commercial, with a "best of" comparison article as the recommended page type. "How to do keyword research" and "keyword research for beginners" stayed out of it, because they ask a different question. Each cluster becomes one page with one primary keyword, and the rest become headings and phrasing inside it.
The clusters are lexical (based on shared words), not semantic, so treat them as a draft and check SERP overlap for the groupings you are unsure of. If you are new to choosing between clusters, the keyword research for beginners guide covers how to weigh volume against difficulty and relevance when picking which page to write first.
When does a free keyword research tool stop being enough?
Free sources cover your own site and individual ideas well. They run out in three places:
- Competitor gaps at scale: seeing every query a competing domain ranks for, and which of those you are missing, needs a paid database. In CrawlTide this is the keyword gap and rank tracking side of the paid plans (the Free plan does not include competitors).
- Rank history: Search Console shows average position over time for your own queries, but tracking specific keywords on a schedule, by location, across competitors is paid territory.
- Volume across hundreds of ideas at once: free tools are built for spot checks. If you are sizing a whole content program, the time you spend working around them will cost more than a subscription.
For the full set of free tools by task, including the technical checks that sit next to keyword research, see our guide to free SEO tools that stay free.
What free keyword data cannot tell you
Every number in this workflow is a proxy. Search Console averages position across every result where you appeared, so one query can hide a page-one desktop result and a page-three mobile one. Volume from Planner or a third-party database is a monthly average, so it says nothing about how many of those searches end in a click, especially when the results page answers the question itself. Trends shows interest relative to itself, not demand you can bank. And none of these sources tells you whether you can beat the pages already ranking; only reading those pages does.
If none of the paid limits apply to you yet, the free workflow above is enough to choose your next ten pages with evidence rather than guesswork. Start by running your main topic through the free keyword generator and sorting the results by volume.
CrawlTide Team
CrawlTide is an AI-powered SEO platform that helps teams find and fix technical SEO issues, track keyword rankings, and optimize search performance.
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