Top 10 Free Keyword Suggestion Tools You Should Use Every Day in 2025
Introduction
If you’re diving into the world of SEO, content marketing, or pay-per-click (PPC) advertising, you already know that keywords are the cornerstone of your strategy. But here’s the catch: finding the right keywords isn’t always straightforward. That’s where keyword suggestion tools come into play. These tools help you discover high-performing keywords, understand search intent, and optimize your content to rank higher on search engines.
In this article, we’ll explore the top 10 free keyword suggestion tools available in 2025. Whether you’re a seasoned SEO expert or just starting out, these tools can elevate your keyword research game without breaking the bank.
#1: FreeToolr Keyword Suggestion Tool
Tool Name: FreeToolr Keyword Suggestion Tool
Link: https://freetoolr.com/keywords-suggestion-tool
Description
The FreeToolr Keyword Suggestion Tool is a user-friendly, no-signup-required platform designed to help you discover relevant keywords for your SEO and content marketing efforts. By entering a seed keyword, the tool generates a list of related keywords, providing insights into search volume and keyword difficulty. This makes it an excellent starting point for anyone looking to enhance their online visibility.
Features
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Generates keyword suggestions based on a seed keyword.
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Displays search volume and keyword difficulty (where available).
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Provides related keywords and long-tail phrases.
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Simple keyword input.
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Instant output display.
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No registration or login required.
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Supports multiple languages.
Pros
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Completely free to use.
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No sign-up or login required.
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User-friendly interface.
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Instant keyword suggestions.
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No software installation needed.
Cons
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Limited to basic keyword suggestions.
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Does not provide in-depth analytics or competitor analysis.
Pricing
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Free forever.
#2: Ubersuggest
Tool Name: Ubersuggest
Link: https://neilpatel.com/ubersuggest/
Description
Ubersuggest, developed by Neil Patel, is a comprehensive SEO tool that offers keyword suggestions, domain analysis, and content ideas. It provides data on search volume, competition, and seasonal trends, making it a valuable resource for content creators and marketers.
Features
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Keyword suggestions with search volume and competition data.
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Content ideas based on top-performing pages.
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Backlink data and domain analysis.
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SEO audit tools.
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Rank tracking.
Pros
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Comprehensive SEO toolset.
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User-friendly interface.
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Free plan available with limited daily searches.
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Provides content ideas and backlink data.
Cons
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Free plan has limited daily searches.
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Some advanced features require a paid plan.
Pricing
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Free plan with limited features.
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Paid plans start at $29/month.
#3: SEMrush
Tool Name: SEMrush
Link: https://www.semrush.com/
Description
SEMrush is a leading SEO and digital marketing tool that offers a suite of features, including keyword research, site audit, and competitor analysis. Its Keyword Magic Tool generates a vast array of keyword suggestions, making it a go-to resource for SEO professionals.
Features
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Extensive keyword database.
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Competitor keyword analysis.
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Site audit tools.
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Backlink analysis.
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Rank tracking.
Pros
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Comprehensive SEO toolkit.
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Detailed competitor analysis.
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Regularly updated keyword database.
Cons
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Free plan is limited.
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Full access requires a paid subscription.
Pricing
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Free trial available.
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Paid plans start at $119.95/month.
#4: Ahrefs
Tool Name: Ahrefs
Link: https://ahrefs.com/
Description
Ahrefs is a powerful SEO tool known for its robust backlink analysis and keyword research capabilities. Its Keywords Explorer provides detailed insights into keyword difficulty, search volume, and click-through rates.
Features
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Comprehensive keyword research tools.
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Backlink analysis.
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Site audit features.
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Content exploration tools.
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Rank tracking.
Pros
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Extensive backlink database.
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Detailed keyword analysis.
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User-friendly interface.
Cons
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No free plan available.
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Pricing may be steep for beginners.
Pricing
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Paid plans start at $99/month.
#5: Moz Keyword Explorer
Tool Name: Moz Keyword Explorer
Link: https://moz.com/explorer
Description
Moz Keyword Explorer offers keyword suggestions along with metrics like keyword difficulty and organic CTR. It’s designed to help marketers find the best keywords to target for SEO campaigns.
Features
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Keyword suggestions with difficulty scores.
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Organic CTR estimates.
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SERP analysis.
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Keyword lists and tagging.
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Priority scores for keyword targeting.
Pros
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User-friendly interface.
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Accurate keyword metrics.
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Integration with other Moz tools.
Cons
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Free plan has limited queries.
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Full access requires a paid subscription.
Pricing
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Free plan with limited features.
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Paid plans start at $99/month.
#6: Google Keyword Planner
Tool Name: Google Keyword Planner
Link: https://ads.google.com/home/tools/keyword-planner/
Description
Google Keyword Planner is a free tool provided by Google Ads that helps users discover keywords for their PPC campaigns. It also offers insights into search volume and competition, making it useful for SEO purposes as well.
Features
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Keyword suggestions based on a seed keyword.
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Search volume and competition data.
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Forecasting for PPC campaigns.
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Bid estimates for keywords.
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Historical statistics.
Pros
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Completely free to use.
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Direct data from Google.
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Useful for both SEO and PPC.
Cons
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Requires a Google Ads account.
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Limited data for non-advertisers.
Pricing
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Free to use with a Google Ads account.
#7: KeywordTool.io
Tool Name: KeywordTool.io
Link: https://keywordtool.io/
Description
KeywordTool.io is a versatile keyword research tool that generates keyword suggestions using Google Autocomplete. It provides long-tail keyword suggestions for various platforms, including Google, YouTube, Bing, and Amazon.
Features
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Keyword suggestions from Google Autocomplete.
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Supports multiple platforms (Google, YouTube, Bing, Amazon).
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Long-tail keyword generation.
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Search volume and competition data (in paid plans).
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Export options.
Pros
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Generates long-tail keywords.
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Supports multiple platforms.
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User-friendly interface.
Cons
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Free plan has limited features.
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Full access requires a paid subscription.
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#7: KeywordTool.io
Tool Name: KeywordTool.io
Link: https://keywordtool.io/
Description
KeywordTool.io is a versatile keyword research tool that leverages Google Autocomplete to generate hundreds of relevant long-tail keywords for any topic. It supports multiple platforms, including Google, YouTube, Bing, Amazon, eBay, and more, making it a valuable resource for content creators and marketers seeking to expand their keyword strategy.
Features
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Keyword suggestions from Google Autocomplete.
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Supports multiple platforms (Google, YouTube, Bing, Amazon, eBay, App Store, Play Store, Instagram, X (formerly Twitter), Pinterest, Etsy, and TikTok).
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Long-tail keyword generation.
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Search volume and competition data (in paid plans).
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Export options.
Pros
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Generates long-tail keywords.
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Supports multiple platforms.
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User-friendly interface.
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Trends feature helps identify seasonal keywords.
Cons
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Free plan has limited features.
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Full access requires a paid subscription.
Pricing
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Free plan with limited features.
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Paid plans start at $69/month.
#8: Serpstat
Tool Name: Serpstat
Link: https://serpstat.com/
Description
Serpstat is an all-in-one SEO platform that offers keyword research, competitor analysis, rank tracking, and site audit tools. It provides detailed insights into keyword performance, search volume, and competition, making it a comprehensive solution for SEO professionals.
Features
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Keyword research with search volume and competition data.
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Competitor analysis.
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Rank tracking.
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Site audit tools.
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Backlink analysis.
Pros
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Comprehensive SEO toolkit.
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Detailed competitor analysis.
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Affordable pricing.
Cons
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Limited database compared to some competitors.
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Occasional interface lags on larger data sets.
Pricing
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Free trial available.
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Paid plans start at $50/month.
#9: WordStream Keyword Tool
Tool Name: WordStream Keyword Tool
Link: https://www.wordstream.com/keywords
Description
WordStream’s Keyword Tool provides keyword suggestions tailored to your industry and location. It offers insights into keyword volume and cost-per-click data, helping you identify the most effective keywords for your SEO and PPC campaigns.
Features
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Keyword suggestions tailored to your industry and location.
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Keyword volume and cost-per-click data.
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Downloadable keyword lists for SEO and PPC campaigns.
Pros
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Tailored keyword suggestions.
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Provides keyword volume and cost-per-click data.
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Downloadable keyword lists.
Cons
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Free plan is limited to 25 keyword suggestions.
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Aggressive sales tactics after using the free tool.
Pricing
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Free plan with limited features.
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Paid plans available upon request.
#10: SpyFu
Tool Name: SpyFu
Link: https://www.spyfu.com/
Description
SpyFu is a competitive keyword research tool that allows you to uncover the keywords your competitors are ranking for. It provides insights into both organic and paid search strategies, helping you identify opportunities to outperform your competition.
Features
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Competitor keyword analysis.
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Backlink analysis.
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Rank tracking.
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Unlimited projects and keyword tracking.
Pros
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Comprehensive competitor analysis.
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Unlimited projects and keyword tracking.
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Affordable pricing.
Cons
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Interface may be overwhelming for beginners.
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Some advanced features require a paid plan.
Pricing
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Free trial available.
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Paid plans start at $39/month.
Comparison Table: FreeToolr vs. Paid Tools
| Feature | FreeToolr | Ubersuggest | SEMrush | Ahrefs | Moz Keyword Explorer | Google Keyword Planner | KeywordTool.io | Serpstat | WordStream | SpyFu |
|---|---|---|---|---|---|---|---|---|---|---|
| Free Plan Available | ✅ Yes | ✅ Yes | ❌ No | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| No Sign-Up Required | ✅ Yes | ✅ Yes | ❌ No | ❌ No | ❌ No | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Keyword Suggestions | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Search Volume Data | ✅ Limited | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| CPC & Competition Data | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Backlink Analysis | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ❌ No | ❌ No | ✅ Yes | ❌ No | ✅ Yes |
| Rank Tracking | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Site Audit Tools | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Competitor Analysis | ❌ No | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Pricing | Free Forever | Free/Paid | Paid | Paid | Paid | Free/Paid | Free/Paid | Paid | Free/Paid | Paid |
Conclusion
Keyword research is a fundamental aspect of SEO and digital marketing. Utilizing the right tools can help you discover valuable keywords, understand search intent, and optimize your content strategy. While premium tools offer comprehensive features, FreeToolr stands out as a user-friendly, no-signup-required option for those seeking quick keyword suggestions.
Start using FreeToolr Keyword Suggestion Tool today and simplify your workflow without spending a single rupee.
SEO Keywords List
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By leveraging these tools, you can enhance your keyword research process, optimize your content strategy, and stay ahead in the competitive digital landscape. Remember, the right keywords can drive targeted traffic to your website, improve your search engine rankings, and ultimately contribute to the success of your online presence.
