15 Best Amazon Keyword & Niche Research Tools for Sellers

As an e-seller, proper keyword research helps your products to become more visible to relevant customers. Proper use of keywords also helps to ensure that your products rank well when customers search for similar products. Whatsoever you sell on amazon, be it books, kitchen gadgets, electronic gadgets, games, etc., a good keyword research tool can help simplify the tedious process of manual keyword research. These tools don’t only reduce stress, but they help to boost your sales and product listings. There are tons of amazon keyword tools available, both free and premium. We have taken time to review these best picks that are the best both in price and in result. You will also see some free, good keyword niche (category) research tools for KDP authors.

Best cheap and free amazon keyword research tools for sellers

If you run ads on amazon then you really need a good keyword tool to help you gather enough relevant keywords for your product when setting up the ad. Our picks might not be the most popular amazon keyword seller apps, but they are rugged, both in process and price. They give you more details about each keyword such as the search density (search volume) and Cost Per Click (CPC). Some even go further to give you the relevance score. Note that the best tool must not be the most costly.

How Keyword Research Tools Work and How to Use them

There are 2 main ways most keyword research tools work. Some of them allow you to just insert the amazon product link or just the ASIN (the unique 10 digits code of the product). Other tools will request you to type a keyword as a guide. In either way, the keyword tool queries amazon search engine and gather some related keyword for the product. Now copy these generated keywords and use it when setting up amazon ads for your product.

To have a clearer understanding of how these tools work, go to amazon homepage and try searching a particular product. You will notice that as you type the keyword, other relevant keywords also come up. These are the keywords these tools gather, together with some other useful detail about each keyword as I mentioned earlier.

Now let me reveal these powerful amazon keyword research tools.


Best Amazon Keyword Tools for Sellers – Free and Premium

Publisher Rocket

Publisher Rocket - best keyword tools for amazon best sellers

The main aim of this keyword tool is to help you get your product in the first page of relevant keyword search result. This tool is unique in the sense that it gives you more details about each keyword it suggests for you. Apart from showing the search volume, it will also estimate how much other books ranking for that keyword are making monthly. It goes further to show you how many books are competing for that keyword. Amazon authors who advertise through Amazon Marketing Services (AMS).

Another advantage of this amazon keyword research tool is that you pay a one-time fee of $97. Unlike some other tools that you will need to subscribe monthly.


Amz dot One - All in one keyword ranking and research tool for amazon sellers

With this tool you enjoy many embedded tools such as keyword rank tracking, sales tracking, product finder, hijack listing alert, product alert, etc. With these tools your product sales and ranking will skyrocket easily. There are about 5 plans available:

  • Free (with many limited features).
  • Basic ($20 per month): Maximum of 100 keywords, maximum of 5 products promotion, etc.
  • Standard ($40 per month): Maximum of 500 keywords, maximum of 15 products promotion, etc.
  • Advanced ($90 per month): Maximum of 1500 keywords, unlimited products promotion, multi-user login, etc.
  • Professional ($180 per month): Maximum of 3500 keywords, unlimited products promotion, multi-user login, etc.

For each of these premium plans, you will enjoy a 14-day free trial, after which you now pay monthly.


Amazon Keyword Research Tool for Free: SellerApp

Do you need a reliable amazon keyword research tool that is totally free? Amazon Keyword Research: SellerApp allows you to use its keyword research feature for free. Another advantage is that you can use it even without signing up with them.

To keep this free tool handy, install the SellerApp Google Chrome extension so that you can access it with just a click.

To Use the SellerApp Chrome Extension for Amazon Keyword Research:

Make sure you have installed the extension with the above link. Then locate the icon in the tool bar and click on it.

SellerApp chrome extension icon Now Enter the Keyword guide. For example, if you want to generate relevant keywords for your air fryer cookbook, simply enter “Air Fryer Cookbook”. Then select the Amazon Market Place where you want the tool to focus while generating the keywords. You can select amazon.com or amazon.co.uk, depending on the region you are focusing your AMS ad. Finally, click on Generate Keywords. The tool takes some time and then shows you all the relevant keywords for the specified market place.

SellerApp keyword research setup

Now, copy the generated keywords. Then use notepad to remove the unwanted keywords. You can also export the generated keywords to CSV.


Keyword Inspector

keyword Inspector tool for sellers

This keyword research tool has many embedded tools such as “Reverse ASIN” Search, Amazon’s Choice Search, Trending Keyword Search, Free Suggestion tool, etc. With these tools you can easily find relevant keywords amazon buyers type directly on the search bar. Note that this keyword tool is not free. You either subscribe monthly or buy credits to access and use the tools.


It can also be use for comparing keywords from different search platforms.

Here is another versatile keyword research and suggestion tool that is completely free! The tool gives you instant, live keywords from Bing, Google, YouTube, Google Play, Amazon, eBay and Yahoo. If you wish to carry out an extensive keyword research for your product, this keyword tools comes handy. It does not require sign up or login.

This tool is also used a lot by bloggers for keyword research on various search engines. It can also be use for comparing keywords from different search platforms.


Other Recommended Keyword Research Tools for Publishers

Here are some other popular keyword research tools for Amazon and other platforms like blogging, digital marketing, etc. You can read more about them from their websites.

  • SEMrush: An award-winning SEO Audit tool.

Recommended Free Keyword Research and Niche Research Tools for Kindle Publishers

One of the secrets to writing a bestselling book on  amazon is finding a hot trending niche. Another secret is putting the book in categories where it can become #1 Bestseller easily for that category. Here are some of the free, popular keyword research and niche (category) research tools for KDP authors.

  • AMZ Suggestion Expander: This chrome extension tool shows you keywords phrases similar to the one you type in the Amazon search bar. It is a very useful tool for finding hot niches and keywords on Amazon.
  • Amazon Book Sales Calculator: It estimates the number of daily and monthly sales a kindle book is making, based on its ABSR (Amazon Best Seller Rank) and book type (eBook or paperback).
  • BKLNK Kindle Book Category Research Tool: This tool shows you all the categories in which a kindle book is added to, and the rank in each of those categories in the US, UK, and Canada marketplaces. You can use this tool to check the categories in which your competitors’ books are ranking higher.

For more details about these tools, check out this guide.


You now know these powerful, cheap keyword research tools for online sellers, especially amazon sellers. Take time to check out these tools and discover the one that gives you the best expected result, and also boosts your product sales and rank. If you promote your books with a blog, check out these SEO tips that will make your blog rank well on search engines. Also learn how to self-publish a best selling kindle book.

Feel free to comment your questions or contributions to this article in the comment section below. Share this article with your social media friends. Don’t forget to subscribe to our newsletter via email to stay updated. Enjoy!

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About the Author: Buzzer Joseph

I am an entrepreneur who believes that anybody can achieve whatever goal he/she sets, so long as you follow the right path. I fully decided to take entrepreneurship as a lifestyle in 2014 and have never regretted that decision. Even though I failed many times, but my failures helped me discover my hidden potentials. I blog at Buzzing Point - https://www.buzzingpoint.com and Microsoft Tutorials - https://www.microsofttut.com where I help young entrepreneurs to discover their hidden potentials and how to turn their passions to income streams. I am also a guest blogger at https://www.freeblockchaintools.com. In fact, I can't do without the internet. I love surfing the net and making research, and then updating my fans on the latest buzzing info. I am also active in Quora, especially in my spaces, Lucrative Business Ideas - https://lucrativebusinessideas.quora.com/ and Free Blockchain Tools - https://freeblockchaintools.quora.com/.

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