Keyword Research
The best 50 Keyword Research AI tools - Free & Paid
Explore 50 AI for Keyword Research
Keyword Insights consolidates keyword research from Google, Reddit, Quora, and YouTube. It clusters terms, provides volume, difficulty, CPC, SERP similarity, intent, content‑gap analysis, AI‑generated briefs, and on‑page writing support.
Subscription
- $58/mo
KeywordSearch analyzes business data to pinpoint high‑performing keywords and build targeted Google/YouTube ad audiences instantly. It expands keyword sets, offers competitor insights, and lets users generate video titles, tags, and descriptions for better discoverability.
Paid
- $97/mo
Keywords.ai is an AI-powered SEO tool that generates relevant keywords and topics using GPT-3.5-based AI engines, providing data on search volume and keyword difficulty for informed decision making.
Subscription
- $19
vidIQ delivers real‑time YouTube analytics, keyword research, AI‑powered thumbnail creation, and competitive insights. Its AI coach refines titles and descriptions, while clipping tools produce short videos. Available via Chrome or mobile, it boosts visibility and engagement for creators.
Subscription
- $31/mo
Marketing Tool aggregates free utilities for marketing and web performance. It offers keyword research, backlink and SEO audits, social media scheduling, hashtag generation, ad‑budget calculators, speed testing, image compression, plagiarism checks, URL shortener, QR code. No registration required.
Free
TopicMojo aggregates data from 50+ sources, producing models, keyword insights, and user questions. Its Social Model maps conversations on Reddit, Twitter, Instagram, etc., while Question Finder and Search Listener uncover common queries and new searches. SEO metrics guide ranking potential.
Freemium
kwrds.ai delivers keyword research with search volume, CPC, competition, and SERP data, plus live People Also Ask and AI‑generated answers for FAQs. It expands seed terms into long‑tail topics, offers historical and country‑specific trends, and provides API access for SEO teams.
Subscription
- $39/mo
Ranklytics is an AI-driven SEO tool for content planning, keyword research, and website audits. It automates content creation, provides competitor analysis, and supports over 58 languages, streamlining the publishing process directly to WordPress.
Free trial
- $49/mo
Semantic Scholar indexes 230 million papers, offering AI‑powered semantic search that prioritizes relevance and citation impact. It provides contextual PDF annotations, a developer API, and export options for literature reviews, grant research, and teaching.
Free
Topical Map AI automates social media and SEO keyword research, generating over 1,000 targeted keywords in seconds. It offers map creation, metrics viewing, and filtering capabilities across 20+ languages, streamlining content strategy for bloggers and marketers.
Freemium
Nightwatch is an AI-powered SEO monitoring tool that offers rank tracking, automated reporting, site audits, and resource optimization. It provides detailed insights on global search engine rankings and allows teams to identify growth opportunities through data-driven decision making.
Free trial
TubeBuddy streamlines YouTube workflow with keyword research, SEO tools, thumbnail generation, content strategy analytics, A/B testing, bulk editing, and end‑screen management, helping creators optimize visibility and scale production efficiently, and channel growth.
Paid
- $3.75/mo
Keyword Catcher analyzes Google SERPs automatically, providing keyword research, rank tracking, and AI‑generated content outlines. It delivers search volume, competition, page metrics, and long‑tail suggestions, storing reports for ongoing strategy development.
Subscription
- $15/mo
TopicFinder is an AI-powered tool that streamlines blog topic discovery. It extracts SEO data from the web, providing popular topics with an easy-to-use interface for filtering and organization, significantly reducing research time for bloggers.
Free trial
KWatch.io tracks real‑time mentions across X, LinkedIn, Facebook, YouTube, Reddit, and Hacker News, alerting via email, Slack, or API when keywords appear. It uses AI to assess sentiment and organizes results for monitoring, support, and intelligence.
Freemium
KeywordSpy analyzes Google’s ranking signals (Neural Matching, RankBrain, BERT, etc.) to provide real‑time keyword, title, meta, and HTML recommendations. It offers AI‑driven content outlines, plagiarism checks, rewrite tools, and project tracking for on‑page optimization.
Subscription
- $74/mo
Rankability is an AI‑powered SEO suite for agencies that unifies keyword research, content drafting, competitive optimization, performance reporting, and strategic guidance into a single workflow, supporting separate pipelines, knowledge bases, and dashboards for multiple clients.
Subscription
- $19/mo
ResearchRabbit is a web‑based research assistant that lets users begin with a single paper and expand to related authors, works, and topics. It generates citation and topic evolution maps, supports notes and annotations, and syncs with reference managers like Zotero.
Freemium
QSourcer translates recruiter input into optimized Boolean search strings across LinkedIn, Google, Indeed, GitHub and 13 other sites. It auto‑expands keywords, offers an editor, country filtering, multilingual detection, folder organization, one‑click search, shareable links, and usage tracking via
Freemium
Senuto delivers daily‑updated SEO insights across visibility, ranking, keyword research, SERP analysis, and content planning. Its modules support competitive benchmarking, performance tracking, and real‑time keyword‑optimized content creation for marketers and agencies.
Freemium
- $39/mo
AI Facebook Assistant evaluates domain rank, URL rating, and keyword difficulty, provides backlink database with referring domains, anchor-text distribution, and link velocity, and offers traffic metrics, search/filters and export tools for SEO, content and outreach planning.
- $9.9
Koala AI produces SEO‑optimized blog posts with research, SERP analysis, and internal linking. It offers editable outlines, bulk creation, schema markup, and one‑click publishing to WordPress, Shopify, Webflow, Ghost, streamlining content workflows for publishers and agencies.
Subscription
- $9/mo
Surfer is an SEO content platform that offers real‑time analysis of article structure, keyword density, and images in multiple languages. It supplies an editor with on‑page recommendations, AI‑driven drafting, link insertion, authenticity checks, and brand visibility tracking.
Subscription
- $49/mo
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/mo
RankYak automates SEO workflows—keyword discovery, SERP-based content planning, AI article generation with E‑E‑A‑T signals, internal linking and citations, multilingual publishing across 40+ languages, CMS integrations, and automated backlink exchange informed by Google Search Console data.
Free trial
- $247
OpenSEO offers AI-driven SEO research and brand visibility tools for keyword discovery, rank tracking, domain and competitor analysis, backlink checks and site audits, plus AI citation and mention extraction and model comparison to guide content planning and fixes.
Subscription
- $10/mo
Algolia is an AI‑driven search platform that indexes, retrieves, and monitors data. It offers Agent Studio, RAG‑powered experiences, conversational search, real‑time personalization, analytics, and built‑in integrations for e‑commerce, SaaS, media, and marketplaces.
Freemium
Kagi.com is a privacy-focused, ad-free search engine with customizable filters and AI-powered tools. It integrates multiple large language models for summarization and research, and offers team features for collaborative workflows.
Freemium
Google Trends Monitor tracks real-time search trends, offering access to over 2,200 live trends and search volume data. It helps content strategists and SEO consultants generate relevant topic ideas and align strategies with current digital interests.
Free trial
Research Topics Generator is a web-based tool that helps users create relevant academic topics by inputting keywords. It offers over 2,421 ideas across various fields, making it useful for students and researchers seeking inspiration for projects and papers.
Freemium
GoSearch consolidates indexed and non‑indexed data from 100+ apps, letting teams query across email, chat, documents, and private files with AI assistants. It automates routine tasks through custom agents, enforces granular security, and supports multiple LLMs for unified enterprise knowledge.
Freemium
- $20/mo
SEO Utils is a comprehensive desktop application for managing SEO tasks, offering features like rank tracking, keyword research, backlink management, and content gap analysis. It integrates with DataForSEO API for efficient data retrieval and supports multiple operating systems.
Freemium
OutlierKit analyzes millions of YouTube videos to reveal high-performing topics, low-competition keywords, and outlier content, offering hook and script analysis, retention patterns, trend predictions, and channel-level insights to guide data-driven video ideas and optimization.
Free trial
- $19/mo
SEO Central is an AI-driven tool enhancing on-page analysis and keyword optimization for improved search rankings. It generates optimized meta tags and notifies about issues, providing solutions to strengthen your online visibility.
Free trial
Upload a resume and paste a job description to instantly score fit. The tool spotlights missing keywords, allows in‑platform edits, and generates tailored cover letters and summaries. A Kanban board tracks applications, and a Chrome extension saves listings—no sign‑up required.
Freemium
The AI-Powered Competitor Research Tool enables businesses to analyze direct and indirect competitors, uncovering insights on traffic, keywords, and engagement strategies. It streamlines competitor analysis for informed decision-making and improved market positioning.
Free trial
- $149
Outrank is an AI-powered SEO content tool that offers comprehensive SEO-optimized outlines, factual content generation, advanced score algorithms for on-page SEO, and a community for users to connect with other content creators.
Subscription
- $29/mo
BrandRadar delivers AI-driven GEO insights and visibility scoring with citation mapping, keyword gap analysis, prompt testing and competitive benchmarking, plus cross-platform content generation and APIs to prioritize regional SEO, local search opportunities and multi-region monitoring.
- $49
Opinly automates SEO growth with real‑time audits, keyword tracking, competitor benchmarking, AI‑generated content, CMS integration, and AI‑driven backlink placement to boost rankings.
Freemium
- $8
Etshop is an AI-powered Etsy product research and SEO tool that helps sellers discover trending items and low-competition keywords. It also provides store analytics and sales insights to optimize performance on Etsy, Shopify, and Amazon.
Free trial
AlphaResearch indexes millions of filings, transcripts, and reports, enabling instant text search. It extracts sentiment, supplies structured financial data, sends alerts, offers visualization and a stock screener, and integrates with Excel and Google Sheets for investors.
Freemium
- $49.99/mo
CanIRank uses AI to generate data‑driven SEO action plans, covering keyword research, rank tracking, competitive analysis, and on‑page optimization. It calculates keyword difficulty, ROI, and ranking probability, highlighting low‑hanging fruit and automating alerts and tasks.
Subscription
IdeaProof.io is an AI tool that validates startup concepts in about 120 seconds through automated market analysis and structured criteria. It generates investor-ready reports with TAM estimates, competitor maps, and prioritized risks to inform go-to-market strategy.
Freemium