AlsoAsked
AlsoAsked
Maps live 'People Also Ask' questions from Google into a tree of related queries.
Best for: FAQ and question researchVisit AlsoAsked (opens in new tab)
SEO tools directory
12 Keyword research tools
Checked on 6 October 2026 · 11 free or freemium · 1 paid
Short answer
What are keyword research tools?
Keyword research tools show what people search for, how often, and how hard it is to rank. Use them to choose which pages to create and which words each page should target.
Compare at a glance
| Tool | Maker | Pricing | Best for |
|---|---|---|---|
| AlsoAsked | AlsoAsked | Freemium | FAQ and question research |
| AnswerThePublic | NP Digital | Freemium | Content ideation |
| Exploding Topics | Semrush | Freemium | Spotting emerging trends |
| Glimpse | Glimpse | Freemium | Trend research |
| Google Keyword Planner | Free | Search volume checks | |
| Google Trends | Free | Seasonality and trends | |
| Keyword Insights | Keyword Insights | Paid | Topical clustering |
| Keyword Tool | Keyword Tool | Freemium | Multi-platform keywords |
| KWFinder | Mangools | Freemium | Long-tail keywords |
| LowFruits | LowFruits | Freemium | Niche sites and bloggers |
| Moz Keyword Explorer | Moz | Freemium | Keyword difficulty research |
| Wordtracker | Wordtracker | Freemium | Long-tail keywords |
All 12 tools in detail
Freemium
AnswerThePublic
NP Digital
Visualises the questions and phrases people search around a topic, built from autocomplete data.
Best for: Content ideationVisit AnswerThePublic (opens in new tab)
Exploding Topics
Semrush
Surfaces fast-growing topics and products before they peak, using search and social signals.
Best for: Spotting emerging trendsVisit Exploding Topics (opens in new tab)
Glimpse
Glimpse
Adds absolute search volumes and growth data to Google Trends and tracks rising trends.
Best for: Trend researchVisit Glimpse (opens in new tab)
Google Keyword Planner
Suggests keyword ideas with search volume ranges and bid estimates from Google Ads data.
Best for: Search volume checksVisit Google Keyword Planner (opens in new tab)
Google Trends
Shows how interest in a search term rises and falls over time and across regions.
Best for: Seasonality and trendsVisit Google Trends (opens in new tab)
Keyword Insights
Keyword Insights
Clusters large keyword lists by SERP overlap and turns clusters into content briefs.
Best for: Topical clusteringVisit Keyword Insights (opens in new tab)
Keyword Tool
Keyword Tool
Generates long-tail suggestions from autocomplete on Google, YouTube, Amazon, Bing and other platforms.
Best for: Multi-platform keywordsVisit Keyword Tool (opens in new tab)
KWFinder
Mangools
Beginner-friendly keyword finder that highlights low-difficulty long-tail terms; part of the Mangools toolkit.
Best for: Long-tail keywordsVisit KWFinder (opens in new tab)
LowFruits
LowFruits
Scans search results to find keywords where weak or small sites already rank.
Best for: Niche sites and bloggersVisit LowFruits (opens in new tab)
Moz Keyword Explorer
Moz
Finds keyword ideas with volume, difficulty and SERP analysis, with a few free queries monthly.
Best for: Keyword difficulty researchVisit Moz Keyword Explorer (opens in new tab)
Wordtracker
Wordtracker
Long-running keyword research tool offering long-tail suggestions with volume and competition data.
Best for: Long-tail keywordsVisit Wordtracker (opens in new tab)