Best Free Keyword Research Tools in 2025

Google Keyword Planner is a go-to tool for anyone looking to understand search trends. It’s primarily designed for advertisers but can also provide valuable insights for organic keyword research.

• Search volume and competition data,
• Keyword suggestions based on seed keywords or URL analysis,
• Ability to filter results by location, language, and date,
• Search Keywords By Site,
• Integration with Google Ads for paid campaigns.

1. Sign up for a free Google Ads account,
2. Navigate to the Keyword Planner tool,
3. Enter a seed keyword or URL to generate suggestions,
4. Analyze the data to find relevant keywords with high search volume and low competition.

• Beginners and small businesses looking to get started with keyword research without investing in premium tools.

Semrush is one of the Best All-Rounder and Most Popular SaaS Tools for performing keyword research, competitor analysis, and ad campaign optimization. While Semrush is a premium tool, its free account offers limited but valuable features for keyword research and competitive analysis.

• Lots of Keyword suggestions and volume data,
• Competitive analysis for up to 10 queries per day,
• In-depth Keyword Analysis,
• Keyword Magic Tool,
• Additional SEO Tools,
• SERP analysis for featured snippets and rankings.

1. Sign up for a free Semrush account,
2. Enter a keyword or competitor domain,
3. Analyze the data to refine your keyword strategy.

• Marketers who need basic SEO insights without the premium price tag.

Moz Keyword Explorer is a well-known name in the SEO industry. Moz’s free keyword research tool provides access to basic keyword metrics and insights. It’s features 55+ SEO tools to help businesses improve their visibility online.

• Keyword suggestions and SERP analysis,
• In-depth Keyword Analysis,
• Priority score combining volume, difficulty, and CTR,
• Additional SEO Tools,
• Limited daily queries for free accounts.

1. Create a free Moz account,
2. Enter a keyword into the Keyword Explorer,
3. Use the priority score to identify optimal keywords.

• SEO beginners looking for an intuitive tool to get started.

Ahrefs Keyword Generator is one of the most popular tools used by SEO experts. It offers a free keyword generator tool that provides a limited glimpse into its extensive database. It can helps to find the right keywords from their database of over 8 billion queries!

• Keyword suggestions for Google, Bing, YouTube, and Amazon,
• Search volume and keyword difficulty metrics,
• Supports Multiple Search Engines.

1. Visit the Ahrefs Free Keyword Generator tool,
2. Enter a keyword and select the platform,
3. Analyze the top 100 keyword suggestions.

• Quick access to high-quality keyword data without a premium subscription.

Ubersuggest, created by Neil Patel. This is an all-in-one tool offers a comprehensive suite of tools for keyword research, SEO analysis, and content planning.

• Search volume, competition, and CPC data,
• Keyword suggestions and long-tail keywords,
• Domain analysis for competitor keyword insights,
• Content ideas based on top-performing pages,
• Additional Tools.

1. Visit the Ubersuggest website and enter a keyword or domain,
2. Explore the keyword ideas section for suggestions,
3. Use the “Content Ideas” tab to discover popular topics related to your keyword.

• Content creators and marketers seeking actionable insights for both organic and paid strategies.

Keyword Surfer is a Chrome extension offered by Surfer SEO, one of the most popular and widely used SEO tools. That provides keyword metrics directly within Google search results.

• Search volume and CPC data within search results,
• Keyword suggestions based on the current query,
• Get Basic Keyword Data,
• Explore Related Keywords,
• Region-specific keyword data.

1. Install the Keyword Surfer Chrome extension,
2. Perform a Google search,
3. Review the keyword metrics displayed on the results page.

• On-the-go keyword research while browsing Google search results.

Free Keyword Research Tool by Ryan Robinson is designed for bloggers and content creators looking to identify high-performing keywords. The best part is that it’s completely free to use and with no limitations. It also offers unique keyword ideas not found on other SEO platforms.

• Blog-focused keyword suggestions,
• Metrics for search volume and competition,
• Insights into content ideas based on user intent,
• Explore Related Keywords,
• Get Keyword Idea Clusters,
• Additional Features – 25+ tools like headline analyzer, title generator, outline generator, YouTube keyword research, YouTube script generator, backlink checker, and more 

1. Visit Ryan Robinson’s keyword research tool online,
2. Enter a keyword and review the suggestions,
3. Use the data to develop content that aligns with user searches.

• Bloggers and small content creators aiming to boost organic traffic.

The Hoth Free Keyword Tool is an easy-to-use platform that provides keyword suggestions and search volume data. The Hoth is a search engine marketing company that offers SEO and content marketing services.

• Lots of Keyword ideas with search volume and CPC data,
• Tailored suggestions based on industry and niche,
• Simple, intuitive interface for quick analysis.

1. Access The Hoth’s keyword tool online,
2. Input a seed keyword to generate suggestions,
3. Use the suggestions to optimize your content strategy.

• Marketers and businesses seeking quick, actionable keyword insights.

WordStream’s Free Keyword Tool is tailored for both SEO and PPC campaigns, offering a balanced mix of organic and paid keyword suggestions.

• Search volume, competition, and CPC data,
• Industry-specific filters for more targeted results,
• Keywords Export Options,
• Recommendations for both organic and paid strategies.

1. Visit the WordStream Free Keyword Tool,
2. Enter a keyword and select your industry,
3. Analyze the results to find opportunities for SEO and PPC campaigns.

• Businesses and advertisers balancing organic and paid marketing efforts.

Keyword.io is a robust keyword research tool designed to help marketers, SEO professionals, and content creators identify relevant and high-performing keywords. The platform focuses on generating long-tail keyword suggestions by tapping into data from multiple search engines and platforms, including Google, YouTube, Amazon, Bing, eBay, and more.

• Multi-Platform Support – including Google, YouTube, Amazon, eBay, and more,
• Long-Tail Keyword Suggestions,
• Perform keyword searches tailored to specific countries or languages,
• Simple Interface, Export Options, Free Access.

1. Visit the Keyword.io website and select the desired platform (e.g., Google, YouTube, Amazon) for your keyword research,
2. Enter a Seed Keyword,
3. Select Localization,
4. Generate Keywords,
5. Review and Export as a CSV file if needed.

• SEO Beginners, Small Business Owners, Content Creators, E-Commerce Sellers, Professionals focusing on localized campaigns can benefit from the tool’s country-specific search options.

Keyword Tool Dominator is a powerful yet simple tool that helps you uncover long-tail keywords from various search engines like Google, Amazon, and YouTube. Its free version provides a limited number of searches per day, making it ideal for occasional use.

• Supports multiple platforms (Google, Amazon, YouTube, etc.),
• Provides long-tail keyword suggestions,
• Easy-to-use interface.

1. Select the platform you want to target (e.g., Google or Amazon),
2. Enter a seed keyword in the search bar,
3. Analyze the long-tail keyword suggestions provided,
4. Export the results for further analysis.

• Beginners looking for niche-specific keywords.

SERP Checker by Mangools is a tool that analyzes search engine results pages (SERPs) to evaluate the competitiveness of a keyword. It’s a great way to gauge whether you can rank for a specific term.

• Displays top-ranking pages for a keyword,
• Shows domain authority and page authority scores,
• Provides insight into keyword difficulty.

1. Enter a target keyword in the search bar,
2. View the SERP results and analyze the top-ranking pages,
3. Assess the competitiveness by reviewing metrics like domain authority,
4. Use this data to decide if the keyword is worth pursuing.

• Beginners looking for niche-specific keywords.

Answer the Public generates keyword ideas by compiling questions, comparisons, and other search phrases related to a topic. It’s perfect for content creators who want to understand what their audience is asking.

• Visual keyword cloud presentation,
• Focus on question-based keywords,
• Intuitive interface.

1. Enter a broad topic or keyword in the search bar,
2. Explore the visual keyword cloud or download the data as a list,
3. Identify question-based keywords for content creation,
4. Use the insights to craft content that answers user queries.

• Content ideation and topic research.

Soovle is a simple tool that aggregates keyword suggestions from multiple search engines, including Google, Bing, YouTube, Amazon, and Wikipedia.

• Multiplatform keyword suggestions,
• Lightweight and fast,
• No signup required.

1. Navigate to the Soovle homepage,
2. Enter a seed keyword in the search bar,
3. Review the suggestions from various search engines,
4. Note down or copy the keywords for further use.

• Gathering diverse keyword ideas quickly.

SEO Minion is a browser extension that provides various SEO insights, including on-page SEO analysis and keyword suggestions. It’s great for multitasking while researching keywords.

• Analyze on-page SEO elements,
• Highlight keywords in SERPs,
• Track keyword rankings.

1. Install the SEO Minion browser extension,
2. Navigate to a webpage or perform a Google search,
3. Use the tool’s features to analyze keywords or on-page elements,
4. Save the data for optimizing your content.

• Multitasking SEO professionals.