Free Amazon Keyword Research Tools: A Complete Guide
If you are selling on Amazon or planning to launch your first product, keyword research is one of the most important steps. The right keywords help your products appear in search results, attract shoppers, and boost sales. But here’s the challenge—most of the advanced keyword tools cost money.
The good news? You don’t always need to spend right away. There are several free Amazon keyword research tools that can give you a strong start. These free tools won’t provide every single detail (like full search volume or competition score), but they can still be incredibly useful for finding product ideas and keyword opportunities.
In this guide, I’ll walk you through the most popular free keyword research tools for Amazon sellers, explain what you can do with each, and highlight their limitations. By the end, you’ll know exactly which free tools to use and how to make the most out of them.
Why Amazon Keyword Research Matters
Before diving into the tools, let’s take a step back and understand why keyword research is such a big deal.
Shoppers search with keywords: On Amazon, buyers type phrases like “wireless headphones,” “yoga mat,” or “coffee grinder” into the search bar. If your listing doesn’t include these keywords, your product won’t show up.
Better keywords = more visibility: By using the right keywords in your title, bullet points, and backend search terms, you increase the chances of your product being discovered.
More visibility = more sales: When shoppers can find your product easily, you naturally get more clicks and conversions.
Advertising also depends on keywords: Amazon PPC campaigns (sponsored ads) run on keywords. Without solid keyword research, you’ll waste money on ads that don’t convert.
In short, keyword research is the foundation of Amazon SEO and advertising.
The Challenge With Free Tools
While free tools are great for beginners, it’s important to set the right expectations:
Search volume data is usually locked – Free versions often don’t show how many people search for a keyword each month.
Limited suggestions – Paid tools generate thousands of related keywords, while free ones usually give you fewer options.
Basic accuracy – Many free tools rely on autocomplete (the suggestions you see when you type into the Amazon search bar). This is useful for brainstorming, but it doesn’t always reflect exact buyer demand.
Marketplace coverage – Some tools only support certain Amazon marketplaces (like the US), while paid tools often cover multiple regions.
Still, if you’re just starting out, free tools can be enough to gather ideas and begin optimizing your listings.
Best Free Amazon Keyword Research Tools
Now let’s go through the most popular free tools, what they offer, and their limitations.
- Keyword Tool (Amazon Version)
What it does for free:
Keyword Tool uses Amazon’s own autocomplete feature to generate keyword suggestions. When you type a seed keyword (like “coffee mug”), it shows you dozens of related search terms that real Amazon customers are typing in.
Why it’s useful:
Helps you discover long-tail keywords you may not think of on your own.
Simple to use—just enter a keyword and get results.
Perfect for brainstorming listing titles, bullet points, and backend keywords.
Limitations:
The free version doesn’t show search volume, competition, or other in-depth data.
Results are limited compared to the paid version.
Best for: Sellers who want fast keyword suggestions without needing advanced analytics.
- Helium 10 Free Tools / Magnet Demo
What it does for free:
Helium 10 is one of the most popular Amazon seller suites. They offer a “Free Tools” section that includes a demo version of their keyword research tool called Magnet. With the free version, you can enter a keyword or an ASIN (a product ID on Amazon) and get a list of related keywords.
Why it’s useful:
Great way to test Helium 10 before committing to a paid plan.
Lets you see keyword suggestions based on actual Amazon data.
Works well for spying on competitors’ keywords by entering their ASIN.
Limitations:
It’s a demo, so results are limited.
You won’t see full search volume, competition score, or historical trend data unless you pay.
Best for: Sellers who may consider upgrading later but want to try Helium 10’s keyword research capabilities first.
- SellerApp
What it does for free:
SellerApp offers a free Amazon keyword research tool as well as a Chrome extension. The extension is especially handy—it gives long-tail keyword suggestions directly from Amazon’s autosuggest feature while you browse.
Why it’s useful:
Pulls keywords while you shop on Amazon, saving time.Apple’s A19 Pro Chip: A Game Changer for On-Device AI
Suggests long-tail phrases that can help your product rank for less competitive searches.
User-friendly interface.
Limitations:
Limited in how many keywords you can pull at once.
Depth of filtering and analytics are restricted in the free version.
Some of the data may not be as precise as paid alternatives.
Best for: Sellers who want a simple Chrome extension to quickly grab keyword ideas while browsing Amazon.
- Keyword.io
What it does for free:
Keyword.io provides a free “Amazon Autocomplete Longtail Keywords” tool. You enter a seed keyword, and it generates related long-tail suggestions directly from Amazon’s autocomplete.
Why it’s useful:
Focuses specifically on Amazon, unlike some general keyword tools.
https://www.freelancer.com/Easy to use with clean results.
Great for building a list of potential keywords quickly.
Limitations:
Doesn’t provide detailed metrics like search volume, CPC (cost per click), or competition data.
Free version is more for brainstorming than deep analysis.
Best for: Beginners who just want to build a raw list of keyword ideas.
- Soovle
What it does for free:
Soovle is a very simple tool that shows autocomplete suggestions from multiple platforms, including Amazon, Google, YouTube, and more.
Why it’s useful:
Lets you see how people search across different platforms.
Free and very fast—great for brainstorming.
Can spark keyword ideas you may not find elsewhere.
Limitations:
No keyword metrics like search volume or trends.https://www.zomato.com/india
Suggestions are surface-level, so you may miss hidden gems.
Best for: Sellers who want to brainstorm keywords not just for Amazon, but also for other marketing channels like Google Ads or YouTube content.
Tips for Using Free Keyword Tools EffectivelyKie.ai’s Nano Banana API: Affordable AI Image Integration for the Future Digital Economy
Free keyword research tools can be powerful if you know how to use them right. Here are some tips:
Start broad, then narrow down – Begin with a broad seed keyword (“yoga mat”), then collect long-tail variations (“non slip yoga mat for beginners”).
Combine results from multiple tools – Don’t rely on just one free tool. Use Keyword Tool, Helium 10 demo, and Keyword.io together for a more complete list.
Check relevance manually – Not every suggestion will fit your product. Always review the list and keep only the most relevant keywords.
Use keywords naturally in your listing – Don’t stuff keywords unnaturally. Focus on readability and buyer experience.
Upgrade when you’re ready – Once sales start growing, consider investing in a paid tool for deeper insights like search volume, competition analysis, and PPC data.
What Free Tools Can’t Do (But Paid Tools Can)
While free tools are fantastic for starting out, there are areas where they fall short:https://amzn.to/4lSriFq
Exact search volume – Paid tools tell you how many people search for a keyword each month.
Competition analysis – Helps you see how tough it is to rank for a keyword.
Historical trends – Shows whether a keyword is seasonal (like “Christmas decorations”) or steady year-round.
PPC insights – For advertising, you need cost-per-click data, which free tools rarely provide.
If you’re serious about scaling your Amazon business, investing in a paid tool like Helium 10, Jungle Scout, or AMZScout can give you a big advantage.
Conclusion
Free Amazon keyword research tools are a great way to get started without spending money. They help you brainstorm keyword ideas, discover long-tail search terms, and start optimizing your listings.
Here’s a quick recap:
Keyword Tool: Great for simple autocomplete keyword suggestions.
Helium 10 Free / Magnet Demo: Good for testing advanced tools with limited data.
SellerApp: Handy Chrome extension for quick keyword grabs.
Keyword.io: Easy Amazon-focused autocomplete suggestions.
Soovle: Good for cross-platform keyword brainstorming.
Remember, free tools are best for idea generation. If you want deeper data like exact search volume, competition, and PPC insights, you’ll eventually need a paid solution. But for beginners, these free tools are more than enough to start optimizing listings and boosting visibility.
By using them wisely, you can gain valuable insights, attract more buyers, and build a solid foundation for your Amazon business—without spending a dime upfront.
