Keywords play the most important role in search engine optimization. If you are not getting enough traffic from search engines even after applying many SEO techniques then you should focus on targeting proper keywords.
If you have just started a blog and trying to rank on a most popular keyword then it’s very hard to get rank on search engines. I can say it’s impossible for any new website to rank on a popular keyword in a short time.
Still, you can rank your website on the top 10 results of search engines. But for that, you have to target proper keywords that have low keyword difficulty and enough search volume.
To find these keywords, the best keywords research tools will help you to choose proper keywords for your blog.
Also read, How to do keyword research for SEO.
Here I have listed some handpicked best keyword research tools for SEO to use in 2025. Some of these tools are free and some are paid. You will find the huge keywords list for your blog in paid tools than free tools.
10+ Best Keyword Research Tools for SEO to Use in 2025
1. Semrush
Semrush is one of the most popular and best keyword research tools. This is not only a keyword research tool but is a complete search engine marketing tool.
Freelancers, bloggers, SEO companies, and everyone can use it to rank and optimize their websites in search engines. Using Semrush, you can find the best keywords for your website plus a complete analysis of your website. This analysis includes features like backlink analysis, competitor analysis, keyword analysis, and many more.
Features of Semrush Keyword Research Tool:
- Best keywords list with Traffic, Keyword Difficulty, CPC, Competition, and Trend for a Specific Keyword.
- Advanced filter for all the above options.
- Questions that are asked on keywords
- Country-specific keyword research
- Export the keyword result
- Still many more features in Semrush.
You can check all the features of the Semrush tool in our Semrush review article including 14 Days free trial.
Read also: 8 Best Semrush Alternatives in 2025
2. KWFinder
KWFinder tool is the best keyword research tool that is created only for keyword research purposes. Using KWFinder, you can get a list of keywords with many options. You will get the keywords with their search volume, trend, CPC, PPC, and Keyword difficulty with an advanced filter.
Features of KWFinder:
- You can find Long Tail Keywords
- Organize your Keywords
- Filter Recommended Keywords
- Localized Results for Local Keywords
- Google Suggest Keyword Source
- Import Keywords list
- Trending Keywords
- SERP analysis and SEO metrics
KWFInder is available in both free and paid plans. In the free plan, you have very limited access to all the features. To get full access to all the features, you need to buy a paid plan.
3. Ahrefs Keywords Explorer
Today, Ahrefs is the most used tool for many SEO purposes. One of them is keyword research with too many advanced features.
Features of Ahrefs Keyword Research Tool:
- Research Keywords for 171 Countries
- Keywords for 10 different Search Engines
- Accurate Search Volumes
- Keyword Difficulty Score
- SEO metrics like Return rate, Clicks per search, % of clicks, and % of paid clicks
- SERP overview & Positions History
4. Google Keyword Planner
Google Keyword Planner is a free keyword research tool from Google. To use this tool, you need to create a Google Adwords account which is free and easy to create. If you want to optimize your PPC campaign then Google keyword planner is best for you.
5. Moz Keyword Explorer
Moz Keyword Explorer is a smart keyword research tool. It will show you the monthly search volume of keywords, keyword difficulty, organic click-through ratio, and priority. In addition, you can also check SERP analysis for a specific keyword.
Moz offers 30 days free trial.
6. LongTailPro
LongTailPro tool will help you in finding keywords in your niche. They offer 7 days free trial with a 30% discount on their annual pro plan.
Features of LongTailPro:
- Keyword Competitiveness Score & Competitor Analysis
- Determine Keyword Profitability with New Rank Value Feature
- Get Custom Keyword Difficulty Recommendations for Your Domain
- In-App Chat Support
LongTailPro is available for 7 days free trial plus a 4-month free subscription or 30% discount if you choose an annual plan.
7. WhatsMySerp (WMS)
WhatsMySerp is a free browser extension that will produce keyword search data including search volume and cost per click, without ever leaving the search page. “People also searched for” and “Related Keywords” will also be displayed alongside CPC and volume metrics.
WMS promises that this tool to be free forever, and it’s a solid alternative to other paid tools which were once free and have now chosen to charge for their service.
8. Spyfu
Spyfu is the best tool to spy on your competitors. You can analyze the keywords of your competitors and target those keywords on your website. You can also use Spyfu for SEO Research, PPC Research, and Backlinks Analysis.
Features of Spyfu:
- Rank Tracker
- Keyword Cost per Click
- Ranking Difficulty
- Search Volume per Month
- Clicks per Month
- Click Value per Month
- Export Reports in CSV and PDF files
9. Ubersuggest
Ubersuggest is a new and trending keyword research tool. The best thing about Ubersuggest is that it is free and very easy to use.
If you search for a keyword like “create a blog” then it will show you search volume, SEO difficulty, paid difficulty, and cost per click instantly. Below this overview, you find a search volume graph for that keyword for the last year. And at last, you will find all related keywords that you can use to target your blog.
10. Answer The Public
Today, many people have started using voice search and if they have any questions then they will ask that question to Google. Here, if your content is optimized for all the related questions then it can rank higher than other blogs.
To find all these questions, Answer The Public is the best tool. You need to just enter a keyword in the keyword research field then hit “Get Questions”. You will get all the questions on your keywords. Now you can use these questions in your content and optimize it to rank well.
11. KeywordTool.io
KeywordTool.io is also the most popular keyword research tool which is available in the free and paid version. You can find keywords not only for Google search but also for YouTube, Bing, Amazon, eBay, Play Store, Instagram, and Twitter.
Features of KeywordTool.io:
- Keyword Research (Available in Free Plan)
- Keyword Questions (Available in Free Plan)
- Prepositions (Available in Free Plan)
- Keyword Search Volume (Available in Paid Plan)
- Keyword Trend (Available in Paid Plan)
- CPC and Competition (Available in Paid Plan)
- 30 Days Money Back Guarantee (For Paid Plan)
If you want to buy a paid plan then you will get a 20% discount on an annual subscription.
Which Keyword Research Tool will be the best for you?
If you need accurate and all the keyword research features then you should choose SEMRUSH otherwise you can choose free tools like Ubersuggest, Keywords Everywhere, and Answer The Public.
Final Words on Best Keyword Research Tools 2025
Here, I have shared the best keyword research tools for SEO for 2025. I hope you have liked this list. If you have any other tools suggestions that should be placed in this list then please let us know by commenting in below comment section.
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Thanks a lot for sharing the best tools for keyword research.
I am using those tool also, that is really the most popular and awesome keyword research tool.
Thanks a lot for sharing the best tools for keyword research.
“Great article! I’ve been using Yoast SEO for a while, and it has definitely helped improve my site’s visibility. That said, I’m definitely intrigued by Rank Math after reading this post — it seems to offer a lot of value, especially with the built-in features. Thanks for the helpful comparison and for introducing me to some other solid options!”