Curated list of the top free SEO tools for keyword research and analysis.
Get targeted exposure with custom position pinning and highlighted placement.
Google Ads' built‑in keyword research tool offering search volume, competition, and bid estimates for free.
Neil Patel’s tool provides keyword ideas, search volume, SEO difficulty, and content suggestions with a generous free daily limit.
Visualizes questions and prepositions people ask around a seed keyword, delivering hundreds of long‑tail ideas for free.
Chrome extension that shows search volume, CPC, and related keywords directly in Google SERPs.
Limited free access to Moz’s keyword database, offering difficulty scores, organic CTR, and priority metrics.
Free tool that returns up to 100 keyword ideas per seed term, along with search volume and keyword difficulty.
Free tier provides 10 keyword ideas per query, plus basic volume and competition data.
Generates keyword suggestions with estimated monthly searches and competition levels for free.
Aggregates autocomplete suggestions from Google, Bing, Amazon, Wikipedia, and more in a single view.
Shows the relative popularity of search terms over time, with regional breakdowns and related queries.
Harvests thousands of Google autocomplete suggestions instantly; ideal for building massive long‑tail lists.
Provides up to 750+ keyword ideas per search from Google, YouTube, Bing, Amazon, and more (free version shows only suggestions).
Shows actual queries that bring users to your site, along with impressions, clicks, and average position.
Offers keyword performance data for Bing, plus keyword research and SEO reports at no cost.
Generates keyword ideas from multiple sources and provides basic volume and CPC data for free.
Free keyword generator that pulls data from Google, YouTube, Amazon, and more, with volume estimates.
Creates large lists of keyword variations from a seed term; useful for brainstorming.
Provides latent semantic indexing (LSI) keywords related to your seed term, helping you enrich content.
Displays a visual map of related questions people ask around a keyword, sourced from Google’s People Also Ask box.
Extracts keyword ideas from Reddit posts and comments, revealing niche topics and long‑tail phrases.
Free tool that suggests keywords based on Google Autocomplete and provides basic search volume.
Free competitive keyword research tool that compares two domains and reveals shared and unique keywords.
Limited free access to SERPStat’s keyword database, offering volume, difficulty, and CPC data.
30‑day free trial that includes keyword research, rank tracking, and SERP analysis.
Offers a 7‑day free trial with full keyword research features, including competition analysis and keyword profitability scores.
Provides a 7‑day free trial with access to keyword suggestions, volume, and difficulty metrics.
Free 7‑day trial that pulls keyword ideas from multiple search engines and platforms.
Simple, no‑login tool that generates keyword ideas from Google Autocomplete and displays approximate search volume.
Directly type a seed term into Google’s search box to see real‑time autocomplete suggestions for free.
Free tier provides up to 10 keyword suggestions per day with volume, difficulty, and SERP analysis.
Shows search volume, CPC, and related keywords directly in the Google search results page.
Duplicate entry removed; see the earlier Keyworddit entry.