Free SEO Tools

Keyword Research Tools

Find keywords people really search, label their intent, group them into pages and map them to your site — with volume, difficulty and rankings when a data provider is connected.

Last updated: Free, no sign-up We do not store the addresses you analyze

Keyword Research Tools — 13 tools in one place

Thirteen keyword tools. Ideas come from real search suggestions; intent, clustering, mapping and cannibalization checks run in your browser; volume, difficulty and live rankings use DataForSEO.

How do I do keyword research for free?

Type a seed keyword into the keyword research tool to get hundreds of real search suggestions, each labelled with search intent. Use the long-tail finder and question finder for specific searches, cluster the list into topic groups, and map each group to a page with the keyword-to-URL tool. Volume and difficulty need a data provider; without one you still get the ideas, intent and structure.

About the Keyword Research Tools by Websolindia

Good keyword research answers three questions: what do people search, why are they searching, and which of your pages should answer it. Websolindia built tools for each step.

Ideas come from real search suggestions (the autocomplete people see as they type), expanded with every letter of the alphabet, question words and common modifiers. Each keyword is classified by intent using transparent rules, so you can see which words triggered the label.

Once you have a list, the clustering, mapping and cannibalization tools work on your actual site: they tell you which keywords already have a page, which have two competing pages and which need new content.

All 13 Tools in the Keyword Research Tools

Pick a tool from the tabs above. This table shows what each one does and whether it needs an API key.

Every tool on this page
ToolWhat it doesData source
Keyword research toolStart with a seed keyword and get hundreds of real search suggestions (A–Z expansion), each labelled with search intent. With DataForSEO connected you also get monthly search volume, CPC and difficulty.Built-in + optional DataForSEO
Related keyword generatorFind related searches by adding prepositions, comparisons and common qualifiers before and after your keyword — grouped by how people modify their search.Built-in — no API key
Long-tail keyword finderSurfaces specific, 4+ word searches — usually lower competition and higher intent — from real suggestions for your topic.Built-in — no API key
Search intent classifierPaste up to 500 keywords and label each as informational, commercial, transactional, navigational or local — with the words that triggered the label.Built-in — no API key
Keyword difficulty estimatorEstimate how hard it is to reach page one for up to 50 keywords, using DataForSEO's keyword-difficulty score (0–100) and search volume.Needs DataForSEO
Search volume lookupMonthly search volume, ad competition and cost per click for up to 50 keywords, with a 12-month trend.Needs DataForSEO
Keyword clustering toolGroup a long keyword list into topic clusters (one page per cluster) based on the words they share. Lexical clustering — fast and transparent; for SERP-based clustering use the SERP analyzer.Built-in — no API key
Question and FAQ keyword finderFinds the questions people ask about your topic — from real search suggestions, plus Google's People Also Ask when DataForSEO is connected. Ideal for FAQ sections and blog posts.Built-in + optional DataForSEO
Keyword cannibalization checkerGive your target keywords and your website: see which keywords are targeted by more than one page (title, H1, URL), and which page should be the primary.Built-in — no API key
Content gap analyzerCompare your page with competitor pages and list the keyword phrases they rank around that you do not cover — with intent and a suggested action.Built-in — no API key
Keyword-to-URL mapping toolMap each target keyword to the best page on your site (or flag that you need a new one). Scores title, H1, URL, description, intro and body usage.Built-in — no API key
Keyword ranking trackerCheck where your website ranks on Google for up to 15 keywords, with the ranking URL and SERP features. Each check is saved in this browser so you see movement over time.Needs DataForSEO
Google SERP competitor analyzerSee who ranks on page one for a keyword, what kinds of sites they are, which SERP features appear — and what the top pages look like (words, headings, schema).Needs DataForSEO

How We Calculate the Results

Rules and scoring
ToolMethod
Search intentRule-based on the words in the query: navigational (login, .com…), transactional (buy, price, hire…), commercial (best, review, vs, services…), informational (how, what, guide…); 'near me' or a city adds a local label. Confidence is High with 2+ trigger words, Medium with 1, Low with none
ClusteringKeywords are reduced to word stems (generic words like 'company' and 'services' ignored) and grouped when they share at least 60% of the shorter keyword's stems; strict and loose settings change the threshold
Keyword difficulty bands0–29 Easy · 30–59 Medium · 60–79 Hard · 80–100 Very hard (provider score)
Keyword-to-URL mappingPage score = title match 5 + H1 4 + URL 3 + description 2 + first 100 words 2 + body use up to 3 (max about 19). Below 5 means no page targets it; pages within 80% of the best score are flagged as competing
CannibalizationA keyword is flagged when more than one page has it in the title or H1 (score of 4+ from title 5, H1 4, URL 3)
Ranking trackerFinds your domain among the top 100 organic results for each keyword and compares with the previous check stored in your browser

Data Providers and Setup

Suggestions, intent, clustering, mapping and cannibalization checks need no key. Volume, difficulty, People Also Ask, rankings and SERP analysis use DataForSEO.

Optional data providers
ProviderWhat it unlocksHow the site owner enables it
DataForSEOBacklinks, search volume, keyword difficulty, live rankings, SERP features, competitor keywords and traffic estimates, Google Maps datadfs_login and dfs_password in seo-tool/api/config.php

Limits and What to Know

Limits of the Keyword Research Tools
TopicWhat to know
Suggestions are not volumeSearch suggestions show what people type, not how often. Add provider volume to prioritise.
Intent is rule-basedIt is fast and explainable but cannot read context; check Low-confidence rows against the live results.
Lexical clustersClusters group by shared words, not by overlapping search results.
Volume is roundedGoogle Ads volumes are monthly averages, grouped and rounded.
Ranking historySaved in your browser only; export it to keep a record.

Keyword Research Tools — Frequently Asked Questions

What is search intent?

Search intent is the goal behind a query: to learn (informational), compare options (commercial), buy or hire (transactional), or reach a specific site (navigational). Matching intent is essential for ranking.

What are long-tail keywords?

Long-tail keywords are longer, more specific searches, usually four or more words. Each is searched less often but converts better and is easier to rank for.

How many keywords should one page target?

One page should target one main topic: a primary keyword plus close variants. The clustering tool groups variants so you can plan one page per cluster.

What is keyword cannibalization?

It happens when two or more of your pages target the same keyword and compete with each other. The cannibalization checker lists the pages and suggests which to keep, merge or re-target.

Why are search volume and difficulty missing?

They come from a paid data provider. If it is not connected on this site, the tools still return ideas, intent and structure, and say what is missing.

How accurate is the ranking tracker?

It reads a live snapshot for the location you set. Rankings vary by device, exact location and personalisation, so use it to track direction rather than exact numbers.

Is the Keyword Research Tools free to use?

The built-in tools on this page are free and need no sign-up. Features that rely on third-party data (marked in the table above) only work when the site owner has connected that provider, because those providers charge per request. Visitors are never charged.

Are the sites and keywords I enter stored?

No. Addresses and keywords are used only to run your request and are not stored on our servers. A few tools save their own history (rankings, reviews, workspace data) in your browser's local storage so you can see change over time; clearing site data removes it.

How accurate are the results?

Built-in checks read the public HTML your server returns and apply published rules, so they are repeatable and explainable. Estimates (traffic, visibility share, difficulty) are directional. Always confirm important findings in Google Search Console and your analytics.

Who builds these tools?

They are built by the Websolindia team — a website design and SEO company in New Delhi, India, serving businesses since 2014. Every tool explains how it calculates results so you can check the logic.

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