Free Keyword Tools for Amazon That Actually Help You Rank

If you’ve been selling on Amazon for a while, you already know how much keywords matter. The right search terms can make the difference between showing up on page one or getting buried under dozens of similar listings. The problem? Most good keyword tools aren’t cheap.

The good news is that there are several free Amazon keyword tools that can still give you solid insights without draining your ad budget. They might not have all the bells and whistles of paid software, but they’re surprisingly capable if you know how to use them. In this guide, we’ll look at some of the best free options that can actually help you find keywords, spot trends, and understand what buyers are really searching for.

How We Use WisePPC Tools to Optimize Beyond Keywords

At WisePPC, we know that good keyword research is only half the story. Once you’ve found the search terms that matter, the next challenge is turning those insights into action – optimizing bids, tracking performance, and understanding what actually drives sales. That’s where our tools come in.

We use WisePPC’s automation and analytics features to manage campaigns more intelligently across Amazon and other marketplaces. The platform helps us spot underperforming targets, compare placements, and make fast adjustments without getting lost in endless spreadsheets. Advanced filtering lets us zero in on specific products or ad groups, while historical charts reveal how keyword changes impact performance over time.

Our goal is to give sellers a clearer picture of how their keywords behave once they go live – not just which ones to pick. With long-term data storage, visual metrics, and real-time reporting, WisePPC helps turn keyword insights into measurable results. It’s a data-first way of managing ads that keeps your strategy grounded in what actually works.

1. Helium 10 (Free Amazon Keyword Tool)

Helium 10 offers a free version of its Amazon keyword research tool, Magnet, which helps sellers find related search terms for products or ASINs. The tool focuses on identifying high-volume and low-competition keywords that can improve listing visibility or refine advertising strategies. It allows users to filter and analyze search terms, spot trends, and understand how competitors rank for specific queries.

The platform’s approach to keyword research is built on data and practicality rather than guesswork. Sellers can use Magnet to study organic and sponsored keyword performance, review search history, and explore long-tail opportunities. While the free tool offers only a limited demo compared to the paid version, it still provides a useful glimpse into how Helium 10 supports smarter keyword selection for Amazon listings and PPC campaigns.

Key Highlights:

• Limited demo version of the Magnet keyword tool
• Allows keyword and ASIN-based searches
• Includes search volume, keyword trends, and competition filters
• Helps analyze both organic and sponsored keyword performance

Who It’s Best For:

• Sellers exploring keyword research for the first time
• Small FBA businesses testing Amazon SEO tools
• Users who want to compare data before investing in paid software

Contacts:

• Website: www.helium10.com
• Facebook: www.facebook.com/Helium10Software
• Twitter: x.com/H10Software
• LinkedIn: www.linkedin.com/company/helium10
• Instagram: www.instagram.com/helium10software

2. Keyword Tool Dominator

Keyword Tool Dominator provides a free keyword research utility that connects directly to real-time autocomplete data from platforms like Amazon, Google, YouTube, Walmart, and others. For Amazon sellers, it helps uncover what buyers are actually typing into the search bar, giving a raw look at trending and long-tail keyword patterns. Its process simulates real user behavior to collect hundreds of keyword variations in seconds.

The tool doesn’t rely on stored databases or estimates but instead pulls live keyword suggestions from Amazon’s own autocomplete feature. This means users get data based on current search behavior rather than historical averages. While simple in design, it’s practical for quick checks, brainstorming product titles, or spotting long-tail opportunities without a login or complex setup.

Key Highlights:

• Uses Amazon’s real-time autocomplete for keyword ideas
• Generates hundreds of related keywords in seconds
• Works across multiple marketplaces beyond Amazon
• No signup required to start using the tool

Who It’s Best For:

• New Amazon sellers validating niche ideas
• Content creators researching long-tail terms
• Anyone needing quick, real-user keyword data without analytics overhead

Contacts:

• Website: www.keywordtooldominator.com

3. Sonar (by Perpetua)

Sonar is a free Amazon keyword research tool created to help sellers, vendors, and agencies identify relevant search terms and track keyword rankings. It maintains a large and frequently updated database of product-keyword combinations drawn from Amazon’s own search results. Users can perform reverse ASIN lookups, analyze competitor listings, and explore keyword visibility across categories.

Unlike tools that pull from external sources, Sonar focuses entirely on Amazon’s internal search behavior. It includes real shopper queries, available in multiple languages, and estimates keyword search volumes through proprietary prediction algorithms. Even though the feature is no longer actively updated under Perpetua’s main product suite, the Sonar tool remains known for providing accessible insights for sellers wanting to refine their listings and understand keyword performance.

Key Highlights:

• Free access without signup required
• Reverse ASIN lookup and keyword translator included
• Data based on real Amazon search queries
• Search volume estimated through custom algorithms

Who It’s Best For:

• Sellers optimizing product listings and backend keywords
• Agencies comparing competitor keyword strategies
• Users seeking a simple, no-cost keyword database for Amazon SEO

Contacts:

• Website: perpetua.io
• Email: [email protected]
• Address: 36 Maplewood Ave Portsmouth, NH 03801
• LinkedIn: www.linkedin.com/company/perpetua-labs
• Facebook: www.facebook.com/perpetualabs
• Instagram: www.instagram.com/perpetua.io
• X (Twitter): x.com/PerpetuaLabs

4. KeySearch

KeySearch offers a free Amazon keyword research tool designed to help sellers uncover search terms directly from Amazon’s own suggestion feature. It blends Amazon data with Google keyword insights to show how often certain phrases are searched and how relevant they are for specific products or niches. This combination gives users a broader sense of both marketplace intent and general search interest.

The tool aims to make Amazon SEO more accessible by simplifying how sellers find and organize keywords for their listings. It can be used to refine product titles, bullet points, backend keywords, and descriptions without relying on paid advertising. While the broader platform includes advanced SEO tools, the free version remains a useful starting point for those wanting to identify keywords that can increase product visibility naturally.

Key Highlights:

• Pulls keyword data from Amazon autocomplete and Google search volume
• Helps identify relevant product and niche keywords
• Simple interface suitable for both beginners and experienced sellers
• No sign-up required to start using the free version

Who It’s Best For:

• Sellers optimizing listings with limited marketing budgets
• Beginners learning Amazon SEO fundamentals
• Users interested in combining Amazon and Google keyword insights

Contacts:

• Website: www.keysearch.co
• Facebook: www.facebook.com/keysearchco
• X (Twitter): x.com/keysearchco

5. Keyword Tool (for Amazon)

Keyword Tool is a free Amazon keyword generator that works by collecting real search suggestions from Amazon’s autocomplete system. Users can enter a seed keyword, and the tool returns hundreds of related long-tail phrases that real shoppers have recently searched. It supports different Amazon marketplaces and languages, making it suitable for sellers targeting multiple regions.

The free version provides basic keyword lists, while the paid plan offers search volume estimates and additional features. Even without a subscription, the tool gives a straightforward way to find relevant product keywords and improve listing visibility. Since all data is sourced directly from Amazon’s search engine, sellers can rely on it to reflect genuine shopper behavior rather than broad web data.

Key Highlights:

• Generates real-time keyword suggestions from Amazon autocomplete
• Supports multiple marketplaces and languages
• Offers long-tail keyword results for product optimization
• No account needed for the free version

Who It’s Best For:

• Amazon FBA sellers targeting international markets
• Affiliates optimizing listings or content by region
• Users needing fast, no-login keyword ideas

Contacts:

• Website: keywordtool.io
• Phone: +971 6501 2028
• Email: [email protected]
• Address: Essential Apps LLC. Sharjah Media City, Sharjah, UAE

6. SellerApp

SellerApp provides a free Amazon keyword search tool built to help sellers identify the most relevant and high-performing keywords for their listings. The tool analyzes search volume, cost-per-click data, and competitor insights to show which terms drive traffic and conversions. It also supports keyword tracking, allowing users to monitor ranking changes and adjust their listings over time.

Beyond listing optimization, SellerApp’s keyword tool encourages sellers to think like their buyers. It emphasizes relevance and buyer intent over pure search volume, helping sellers uncover the exact language customers use. By offering visibility into competitor keyword usage and ranking potential, the tool gives users a practical way to improve discoverability without depending solely on ads.

Key Highlights:

• Provides keyword search volume and competitor insights
• Identifies long-tail and high-conversion keywords
• Includes keyword tracking to monitor performance
• Free access available without subscription requirements

Who It’s Best For:

• Sellers optimizing listings for both SEO and PPC
• Agencies managing multiple product accounts
• Users who want ongoing tracking and keyword improvement

Contacts:

• Website: www.sellerapp.com
• Phone: +1-256-363-0567
• Email: [email protected]
• Address: 4819 Bryant Mdws Dr, Spring, TX 77386, United States
• LinkedIn: www.linkedin.com/company/sellerapp
• Facebook: www.facebook.com/sellerapp
• Instagram: www.instagram.com/sellerapp_insta
• X (Twitter): x.com/SellerApp_Inc

7. SellerSprite

SellerSprite offers a keyword research tool designed to analyze search behavior across Amazon marketplaces. It helps sellers discover trending keywords, track seasonal patterns, and explore new sub-niches using metrics like search growth, impressions, and conversion rates. The interface allows filtering by category, marketplace, or performance indicators, giving users the flexibility to focus on specific product areas.

While the platform includes a broad range of analytics tools, its keyword module focuses on how real customers search within Amazon. Sellers can view historical data, estimate demand changes, and understand keyword competition density. The tool is part of SellerSprite’s larger ecosystem of market insights and product tracking resources, making it practical for data-driven optimization.

Key Highlights:

• Detailed keyword filters including demand, growth, and impressions
• Category-specific and marketplace-specific data
• Tracks year-on-year and recent search growth
• Integrates with broader SellerSprite research tools

Who It’s Best For:

• Sellers analyzing search behavior before launching new products
• Agencies comparing keyword performance across regions
• Users who prefer detailed filters and data-driven keyword evaluation

Contacts:

• Website: www.sellersprite.com
• Email: [email protected]
• Facebook: www.facebook.com/sellersprite.us
• X (Twitter): x.com/SellerSprite_EN

8. Keyword.io

Keyword.io provides a simple, free keyword suggestion tool that gathers long-tail search terms from multiple platforms, including Amazon. The tool pulls real user queries from autocomplete data to help identify what people are actively searching for. Its Amazon section focuses on uncovering product-related long-tail keywords that reflect buyer intent, which can guide listing optimization or product research.

Users can switch between different data sources such as Google, eBay, YouTube, or Alibaba, depending on their research goals. While the tool lacks advanced analytics, it’s practical for quick discovery and brainstorming. For Amazon sellers, it’s particularly useful in revealing natural, low-competition phrases that often go unnoticed by larger keyword databases.

Key Highlights:

• Generates long-tail keyword suggestions from Amazon autocomplete
• Includes multiple keyword sources across major platforms
• No registration needed for basic use
• Useful for product idea generation and content planning

Who It’s Best For:

• Sellers brainstorming product keywords or niches
• Freelancers researching Amazon SEO terms
• Users needing quick, cross-platform keyword inspiration

Contacts:

• Website: www.keyword.io
• Facebook: www.facebook.com/www.keyword.io
• X (Twitter): x.com/keyword_io

9. Soovle

Soovle is a lightweight keyword research tool that collects live search suggestions from multiple engines, including Amazon, Google, Bing, and others. Its interface lets users view keyword results from several sources at once, making it easy to compare how different audiences phrase their searches. The tool doesn’t require sign-up or technical setup, and it provides real-time data as users type.

Although Soovle is often used for general SEO, it can also support Amazon keyword research by highlighting search terms that appear consistently across platforms. This helps sellers understand broader consumer language trends and identify potential crossover opportunities between marketplaces. Its simplicity makes it a convenient starting point for quick idea validation.

Key Highlights:

• Combines search suggestions from multiple major engines
• Displays Amazon-related keywords alongside other platforms
• Provides instant, real-time keyword results
• Completely free and browser-based

Who It’s Best For:

• Sellers looking for quick cross-platform keyword comparisons
• Content creators researching audience search habits
• Users who prefer simple, no-login keyword tools

Contacts:

• Website: www.seo.com
• Phone: 888-601-5359
• Address: 1705 N Front St, Harrisburg, PA 17102

10. Ahrefs (Amazon Keyword Tool)

Ahrefs provides a free Amazon keyword research tool that helps sellers understand what shoppers are searching for and how often those searches lead to clicks. Users can enter a broad keyword to see hundreds or even thousands of related terms drawn from Ahrefs’ database, which contains nearly 100 million Amazon-specific search entries. Built-in filters allow refining by search volume, click data, and relevance, helping sellers focus on realistic opportunities instead of broad estimates.

Unlike many free keyword tools that rely on Amazon autocomplete, Ahrefs uses clickstream data – aggregated from real user behavior, to estimate metrics such as search volume, clicks per search, and return rates. This makes the data more representative of how people actually use Amazon. The tool also supports localized keyword research for many countries, providing sellers with region-specific search patterns. While currently under maintenance, its functionality remains accessible through Ahrefs’ main Keyword Generator tool.

Key Highlights:

• Provides keyword ideas from a 100M+ Amazon search database
• Uses clickstream data for accurate volume and click metrics
• Supports keyword research across 170 countries
• Includes filters for search volume, clicks, and global reach

Who It’s Best For:

• Sellers needing reliable keyword metrics based on real shopper behavior
• Teams managing multiple international Amazon marketplaces
• Users who value precision and data transparency in keyword research

Contacts:

• Website: ahrefs.com
• Address: 16 Raffles Quay, #33-03 Hong Leong Building, Singapore 048581
• LinkedIn: www.linkedin.com/company/ahrefs
• Facebook: www.facebook.com/Ahrefs
• Instagram: www.instagram.com/ahrefs
• X (Twitter): x.com/ahrefs

Conclusion

Finding the right keywords doesn’t have to mean spending hundreds on premium software. The free Amazon keyword tools we’ve covered show that you can still uncover valuable search terms, track trends, and understand what buyers are really typing into the search bar – all without paying for data.

Each tool brings something different to the table. The key is not to chase volume blindly but to look for relevance – the phrases that match your product and buyer intent. Start small, experiment with a few of these free tools, and compare their results. Once you see which keywords consistently drive visibility and conversions, you’ll have the foundation for smarter listings, stronger PPC campaigns, and better organic rankings, no big budget required.