Top 8+ Keyword Research Tools

keyword research tools
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Below is the list of keyword research tools that can aid you in your keyword research both free and paid in 2021.

  2. KWFinder
  3. Answer the public (Free)
  4. Ahrefs 
  5. LongTailPro
  6. Google Keyword Planner
  7. SpyFU
  8. Keywordseverywhere
  9. Keyword Surfer
  10. Google trends
  11. Ubbrsuggest
  12. Google search console
  13. Soolve

12 best keyword research tools

1. SEMrush

This is my best keyword research tool as it works a little bit different from the other tools. SEMrush shows you keywords that your competition already ranks for.

SEMrush offers much more than just researching keywords. It let’s you perform keyword research in multiple ways like:

  • Find keywords using a Seed Keyword
  • Find Keywords driving traffic to your competitors
  • Keyword gap analysis

With SEMrush, you can get in-depth keyword data such as:

  • Keyword traffic volume
  • Keyword difficulty score
  • Search engine reports
  • Adsense CPC

It also offers features like:

  • Keyword manager: This let you add keywords in a list and see the updated data. It helps in better managing keywords when you are researching for profitable keywords.
  • Keyword difficulty tool: To check the keyword difficulty score.
  • Backlink analysis: It also recommends you the exact websites from which you should get backlinks to rank#1 in the Google search.

2. KW Finder

KWFinder- keyword research tools

This is a tool that is solely dedicated to keyword research. So if looking for such tool then KWFinder is a go for tool. They haven’t been in the field for long but they are among the fastest growing companies.

KWFinder helps you get the Keyword that will help you drive quality highly targeted traffic. Moreover, with the help of question based keyword research option, you can quickly find long tail keyword.

Unlike most other tools, KWFinder automatically shows a Keyword Difficulty score next to every keyword. So there’s no need to click on every single one to see its difficulty score.

KWFinder- keyword research

3. Answer the public

This is a great tool for discovering phrases you might not have thought of or have forgotten. AnswerThePublic offers a free version of their tool, and with it, they allow you to see visualizations of questions and phrases asked around a particular root keyword.

You will be able to see keywords in different formats such as:

  • Questions
  • Preposition
  • Comparisons

The free plan let you search for 3 keywords every day, which is decent for someone looking for a free option.

4. Ahrefs

What I like most about Ahrefs is that gives you SUPER in-depth information on each keyword.

You can use Keyword generator tool to generate ideas for Google, Bing, Amazon, YouTube and a few other search engines.

Moreover, Ahrefs uses clickstream data to also show how many clicks you will get from the search engine. This is very useful after knowledge graph integration, as many keywords may have huge traffic but they hardly get any clicks from the search engine.

5. Longtail Pro

longtailpro- keyword research tools

LongTailPro is a cloud-based software for keyword research and one of the most popular in this list.

It’s a paid keyword research tool which will help you find amazing keywords for your niche/micro-niche sites.

6. Google keyword planner

As compared to other tools, I wouldn’t really recommend using it.

So why use it?

Because the data you get from it comes straight from Google.

To start using this tool you need to have an AdWords account (which you can create one for free).

  • Features: The biggest feature of the Keyword Planner tool is the deep information it offers on Google (the largest search engine).
  • Limitations: In some ways, that’s also a limitation. If you want to know how your site or a given keyword is doing on other search engines, you won’t get it here.
  • Pricing: Free to use.

Note: The Keyword Planner tool is a good, basic tool for the early stages of a website’s SEO

7. SpyFU

SpyFu is one of the best SEO optimization software products on the market.

It’s useful if you’re trying to analyze and stay ahead of the competition in a highly competitive niche.

  • Uses: SpyFu is highly useful for two important reasons.
    1. Understanding your competition’s SEO platform.
    2. Discovering under-served, un-tapped, or emerging markets.
  • Features: SpyFu also has several modules.
    • Compare Websites module
    • Keyword History module
    • Domain History module
    • Related Keywords module
  • Limitations: This program doesn’t have the depth of keywords that some competitors do, although this is changing. Also, the data for SpyFu is monthly, rather than real-time.
  • Pricing: SpyFu offers two basic pricing plans as well as an “Agency” plan.
    • The basic plans are $79 and $99 per month (with a discount of more than 40% if you buy a one year term).
    • The “Agency” pricing is $999 per month

8. Soovle

Soovle gives you suggested keyword ideas from Google, YouTube, Bing, Yahoo, Amazon and more(All in one place).

That way, you can find untapped keywords that your competition doesn’t know about.

You can easily save your favorite keyword ideas with Soovle’s “drag & drop” saved suggestions feature.

9. Google Trends

Google Trends visualizes the relative search popularity of a keyword over time.

There are two ways to use Google Trends for keyword research:

First, you can search for a specific keyword and take a look at the “related queries” section.

Second, you can see if whether or not a keyword is growing in popularity.


Keyword research isn’t just about a “keyword”; it is about phrases and questions your target audiences are using to find the answers, products, and services they need. These phrases and questions a critical component of any form of a marketing campaign. 

when you have completed your keyword research, you should have valuable information you need for:

  • Creating better SEO strategies
  • PR campaigns 
  • Content ideation — video, text, social, etc.
  • Audience research
  • Paid advertising 
  • Local search campaigns
  • Competitive research
  • Keywords and phrases to ignore
  • Brainstorming sessions
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