In SEO, keyword research is crucial, and the best keyword research tools are essential for better rankings. Good-quality keywords are an efficient way to attract more people to your site and help you create the opportunity to rank well in search engines.
Besides, it lets you see both seed and long-tail keywords and where your competitors are ranking at the top, allowing you to improve your content and steal others’ attention.
There are hundreds of keyword research tools available over the internet, but it is very challenging to find the right one, especially if you’re relatively new to SEO. In this article, we’ve compiled a list of the best keyword research tools to assist you in conquering your content.
So if you want to perform effective keyword research and elevate your site’s SEO, you can use any of them to empower your content and speak to your audience:
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Best Keyword Research Tools of 2025
Let’s have a look at the list now:
Semrush
SEMrush is a SaaS platform often used for online ranking data and keyword research. The software was released by Boston-based company Semrush Inc and was founded by Oleg Shchegolev and Dmitri Melnikov 14 years back in 2008.
SEMrush was first started as Seodigger before becoming an extension of Firefox, then renamed SeoQuake Company in 2007 before landing on SEMrush.
This software is not merely a keyword tool; it’s like the Swiss Army Knife of SEO that provides you with a complete picture of everything you need to know. It also hosts a 7-day free trial without entering the credit card details.
What makes Semrush work differently from the other tools is that, instead of showing a long list of keyword ideas, it displays only those your competition already ranks for.
SEMrush has different pricing plans- Pro, Guru, and Business, but the best offers come with annual billing. Also, if you cancel your subscription within the 7-day trial, no charges will be levied, which is excellent.
If you’re a freelancer, blogger, or in-house marketer with a limited budget, then the Semrush Pro plan will likely be the best option. If you’re a professional SEO consultant or an agency with numerous clients, you will be best suited to the Semrush Guru plan.
Ahrefs
Like SEMrush, Ahrefs is a popular Singapore-based keyword research software offering an all-in-one SEO toolset. It was founded in 2010 by Dmitry Gerasimenko. Its primary tool, Site Explorer, analyzes backlinks and search traffic of any website or URL.
Using this fantastic keyword explorer, you can find various new ideas just by typing them into the search box. More keyword suggestions is another competitive intelligence functionality offered by Ahrefs that ensures you get to see new keywords in search queries.
In addition, a distinguishing feature called unique click metrics lets you know the click distribution between paid and organic results, the average number of clicks per search, and how often people search the same keyword in 30 days.
This software also offers flexibility for your research, which means you can search from many locations, including YouTube, Google, Bing, Yandex, Baidu, or Amazon.
All these innovative features and their intuitive design makes this software ideal for content creators today.
Ubersuggest
Ubersuggest is another powerful SEO tool that offers a wide range of features like keyword suggestions, search volume data, questions on Google using the keyword, filter keyword suggestions by comparison, prepositions, SERP, project creation, links, domain score, and more.
Ubersuggest allows you to get insight into the strategies that are working for others in your market so you can adopt them, improve them, and gain an edge.
If you sign into this site with your Google account, you will get daily rank tracking, more keyword suggestions, and personalized SEO suggestions. Knowing what to write about can make or break your content strategy. You can dive deep into the top-performing content pieces for any given keyword so you can write about topics that people are interested in.
The free Chrome extension not only gives you insightful data on a keyword on Google but also provides valuable information in a very understandable way on various other sites like YouTube, Amazon, and more.
With the help of content ideas featured in Ubersuggest, you can see the pages performing well for that particular keyword and their Pinterest and Facebook shares.
It also boasts graphs and trends, which break down the total monthly search volume displaying the monthly desktop & mobile searches individually.
Overall, it’s the best software you should check before spending money on other options for similar features.
Wordstream
If you’re on the hunt for a simple yet effective keyword research platform, then you can check out WordStream, a user-friendly keyword tool that can be utilized for the latest Google search data.
Its inevitable technology helps you raise productivity for handling, assembling, and segmenting your keyword list.
With the help of the free version, you can take advantage of essential features like keyword suggestions, Google search volume, and the number of searches within a specific time frame. But to unlock its full power and get additional insight like cost per click (CPC), competition, and opportunity scores, you must sign up for the premium WordStream Advisor.
Besides the search box, optional filters specially designed for industry and country provide a good set of potential keywords you can take advantage of.
It doesn’t end here; WordStream also has an additional feature: a negative keyword tool and keyword niche finder that enable you to prevent ads from matching to irrelevant search queries.
KWFinder Keywords
KWFinder is a highly efficient keyword research tool designed by Mangools, a well-known developer for delivering the best keyword research tools.
Packed with many other valuable features, this platform lets you find keywords for SEO and paid searches. It aggregates key metrics from different sources, allowing you to create keyword lists and giving you access to essential information to make decisions faster and quicker.
Additionally, it provides insight into the competitive landscape in pay-per-click (PPC) advertising and a proprietary index value for SEO difficulty. This straightforward tool aimed at improving the efficiency of keyword research processes by presenting them efficiently and appealingly.
To conclude KWFinder is a transparent keyword research tool that boasts an exquisite interface and is ideal for those who want a one-stop search marketing tool.
Although it has three subscription plans- Basic, Premium, and Agency- it also offers a 10-day free trial.
Keywordtool.io
Launched in the middle of 2014, Keyword Tool is a SaaS product that uses Google Autocomplete and other search engines to generate long-tail and different related keywords for any topic.
Artem Galimov and Leow Kah Thong created the platform to provide thousands of keyword suggestions from user queries.
It started with 83 languages from the autocomplete of 194 Google domains in its initial stage. KeywordTool scrapes keywords and suggests ideas from multiple search engines, including Google, Bing, YouTube, Amazon, eBay, Instagram, Play Store, App Store, and Twitter.
You can type in a word in the search box of Keyword Tool, press “Enter,” and the tool will immediately pull hundreds or even thousands of great long-tail keyword suggestions for your seed keyword.
It’s a pretty rudimentary online keyword research tool that can be used without creating an account.
Using the free version of Keyword Tool, you can sort out questions and prepositions and filter to include specific words within results but to access the complete list of data like search volume, suggestions, cost per click, competition, trends, and competitive analysis capabilities you have to pay certain charges.
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Moz Keyword Explorer
Regarded as one of the top keyword research tools on the market, Moz Keyword Explorer is an easy-to-use SEO tool with all the features you expect from any advanced keyword research tool.
It’s a time-saving keyword research tool that lets users organize their keywords into lists and find profitable ones. This fantastic platform is a great source not only for analyzing the competitiveness of a keyword but also for unearthing the low-hanging fruit.
Priority score is one of its exciting features from Moz that boasts a mixture of all the individual factors, a standard tool used to suggest keyword options.
Though this software doesn’t include as many data points as other full-featured SEO tools include, it’s also a benefit for less overwhelming users who aren’t professional search marketers.
In addition, Moz offers a one-month trial period and ten free queries per month on signing up.
This is one of the best keyword research tools specially designed for bloggers or content creators to brainstorm their blog post titles that’ll do well in search.
Best Keyword Research Tools of 2025: Frequently Asked Questions
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Why are keywords important to SEO?
If you’re looking to get your online business off the ground, you first need to figure out how customers will find your website. The answer is search engine optimization (SEO), which is a crucial part of inbound marketing. SEO focuses on improving your site’s visibility in search engine results pages (SERPs). The goal of SEO is to increase traffic to your website. To do this, you need to understand what people are searching for and their language when doing it. Search engines use keywords or phrases to find and identify web pages relevant to a specific search query, and that's why keywords are important for SEO.
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Free vs. paid: Which keyword research tools should one consider?
Free keyword research tools give limited data. If you are serious about your business growth, you should pick one of the paid tools and see the benefit yourself. Most of these paid keyword research tools offer 7-30 days of a free trial, which is good enough for you to try before spending money on them.
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What is the best keyword research tool for you?
Deciding on the right keyword research tool for your team depends on your requirements and budget. Of course, tools like Ahrefs and Semrush offer very comprehensive features, but they can get quite expensive, and only some businesses or entrepreneurs require such advanced solutions. Many great alternatives are cheaper and still offer functionalities for effective keyword research, such as Keywordtool.io, KWFinder, and Ubersuggest.
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What are the benefits of keyword research tools?
The benefits of keyword research can’t be understated. The best keyword suggestion tools can help you find profitable keywords and achieve your business goals. To find the right one for your needs, figure out your budget and the primary focus of your SEO strategy.
Conclusion on Best Keyword Research Tools:
So we just went through the list of the best keyword research tools. Whether you run an eCommerce website or in a blogger profession, arming yourself with the appropriate tools is very important, as it can not only enhance your content but also helps attract traffic to your site.
All the tools or platforms mentioned above are some of the best keyword research tools you can currently find in the SEO marketplace. So you can use any of these tools without any second thought and ensure your content gets in front of the right people when they need it the most.
So we hope you find this article informative and will assist you in finding the best keyword research tools for SEO.
If you have queries or are confused about any of the tools we have reviewed, you can leave your questions in the comment section. Also, we’d like to hear from you about any tools we missed.
