Top Free Amazon Keyword Research Tools for 2025

Finding the right keywords is key to increasing product visibility on Amazon. Fortunately, there are several tools that help sellers discover high-performing keywords without spending a cent. In this guide, we’ll look at reliable free Amazon keyword research tools that can support your product optimization efforts and improve your ranking in search results.

1. WisePPC

At WisePPC, we offer a comprehensive platform built for sellers who want deeper visibility into their advertising and sales performance on Amazon and other marketplaces. While our tools go beyond basic keyword research, it includes advanced capabilities that allow users to analyze keyword-level performance, track changes across ad placements, and adjust campaigns in real time. These features help sellers not only find relevant search terms but also understand how those keywords influence both ad spend and sales outcomes across different timeframes.

Our toolset is not free, but for businesses that require granular control and long-term insights, it offers value that basic tools may not provide. Users can access years of historical keyword data, perform bulk edits based on performance filters, and use automated features to adjust bids and budgets. The cost reflects the depth of analysis and automation we provide, making it suitable for sellers who rely on accurate keyword performance data to scale effectively.

Key Highlights:

• Tracks and analyzes keyword-level ad performance in real time
• Supports campaign-level and placement-level performance monitoring
• Stores long-term historical keyword and ad data
• Enables bulk adjustments and inline editing for faster actions
• Includes segmentation by match type, bid strategy, and campaign type
  

Who it’s best for:

• Sellers managing multiple Amazon ad campaigns
• Businesses needing more than basic keyword suggestions
• Teams tracking long-term keyword trends and ad effectiveness
• Users looking for integrated advertising and keyword performance tools in one platform
  

2. SellerApp Amazon Reverse ASIN

SellerApp’s Reverse ASIN tool allows Amazon sellers to extract keywords used in competitor product listings by pasting an ASIN or product URL. The tool identifies both indexed and visible keywords from competitors’ listings and provides information such as keyword type, CPC estimates, and search volume. This helps sellers compile a more complete keyword list to improve listing visibility and understand where their product stands in comparison.

The tool also highlights broader indexing factors like conversion rate, listing quality, and customer satisfaction, which can influence keyword visibility. SellerApp offers a free version of this tool with keyword extraction features, allowing users to research multiple competitors and generate keyword ideas. This makes it a practical option for sellers focused on basic research without paying for full analytics access.

Key Highlights:

• Reverse ASIN tool for keyword extraction from competitor listings
• Shows keyword data including CPC, search volume, and type
• Supports manual entry of up to 4-5 competitor ASINs for broader research
• Highlights Amazon indexing factors
• Free access with limited features available
  

Who it’s best for:

• Sellers conducting basic competitor keyword research
• Users looking to expand backend keywords
• Beginners optimizing listings using competitor data
• Those researching Amazon indexing and listing performance
  

3. AsinSeed Chrome Extension

AsinSeed offers a browser extension that helps Amazon sellers perform reverse ASIN searches and keyword mining directly on the product and search result pages. With the extension, users can identify traffic-driving keywords, analyze listings for CPC optimization, and explore related keywords without leaving the browser. It supports multiple marketplaces including the US, Japan, Canada, and EU, with monthly updates of a large keyword database.

The extension can be added to Chrome or Firefox and works by pulling keyword data in real time while users browse Amazon listings. AsinSeed offers some functions for free, particularly keyword discovery for product listings and basic CPC insight. These features can help users quickly find keywords relevant to their product niche without a complex dashboard.

Key Highlights:

• Chrome and Firefox extension for live keyword analysis on Amazon
• Performs reverse ASIN searches and keyword mining
• Supports several global Amazon marketplaces
• Useful for CPC and listing keyword discovery
• Offers some features without subscription
  

Who it’s best for:

• Sellers who prefer browser-based keyword research
• Users working across multiple Amazon marketplaces
• People seeking quick keyword insights while browsing
• Beginners exploring free keyword discovery tools

4. amazon-asin

The Amazon Keyword Research Tool from amazon-asin.com allows users to generate keyword suggestions by entering a product keyword. The tool collects both general and long-tail keywords based on real Amazon search queries. It is designed to help sellers optimize their listings and PPC campaigns by showing relevant keywords with data such as potential CPC and search trends. Users can improve listing visibility and performance by using these keywords in product titles, descriptions, and backend sections.

The tool operates on a simple two-step process and offers keyword suggestions without requiring a subscription. It also provides guidance on how to manually expand keyword research through Amazon’s autocomplete feature, competitor listings, and seasonal trends. Although the tool has a straightforward interface, it supports the broader goal of listing optimization for sellers looking to improve their search presence.

Key Highlights:

• Generates long-tail and generic keyword suggestions
• Works with multiple keywords at once
• Designed for Amazon SEO and PPC optimization
• Displays keyword relevance, search trends, and CPC potential
  

Who it’s best for:

• Sellers optimizing listings for search visibility
• Users needing basic keyword ideas for PPC ads
• Beginners working with Amazon’s search algorithm
• Sellers exploring low-competition long-tail keywords
  

5. keywordtool.io

Keyword Tool for Amazon from keywordtool.io uses Amazon’s autocomplete feature to generate keyword suggestions. Users input a seed keyword, and the tool returns a list of related keywords based on real search patterns. It supports multiple Amazon marketplaces and languages, allowing users to target specific regions and shopper behavior. The tool helps users find long-tail keywords for listing optimization, even without showing direct search volume from Amazon.

The free version offers basic keyword generation while the paid version includes more keywords and access to estimated search volume. Although some features are behind a paywall, the free option still allows users to gather relevant keywords quickly. This can be useful for sellers wanting to optimize titles, descriptions, and category placements with terms actual shoppers are using.

Key Highlights:

• Uses Amazon autocomplete to suggest related keywords
• Supports multiple languages and regional Amazon sites
• Works without an account for basic functionality
• Allows export of keyword lists
• Free to use with optional upgrade
  

Who it’s best for:

• Sellers needing keyword suggestions by region
• Users who want to explore listing terms without sign-up
• Beginners targeting global marketplaces
• Anyone using autocomplete-based keyword strategies
  

6. Keyword Tool Dominator

The Amazon Keyword Tool by Keyword Tool Dominator helps sellers find keywords through a seed term search that scans multiple Amazon marketplaces. It supports search refinement with modes like Normal, Broad, and Precise, and filters by department and keyword popularity. Users can identify trending search terms and backend keyword ideas, particularly helpful for categories like KDP, books, and niche products.

While the tool limits daily searches in the free version, it offers a quick way to generate a large number of keyword suggestions and discover current trends. Users can export keyword lists and analyze word frequency to prioritize backend keywords.

Key Highlights:

• Generates keywords using search modes and filters
• Highlights popular and trending keywords
• Supports backend keyword analysis using frequency counts
• Free access with daily search limits
  

Who it’s best for:

• Sellers looking for department-specific keyword insights
• KDP authors targeting book-related keywords
• Users researching trending keywords
• Sellers exploring international Amazon marketplaces

7. KeySearch

The Amazon Keyword Tool by KeySearch allows users to generate keyword ideas by entering a product name, niche, or seed keyword. The tool pulls related search suggestions directly from Amazon’s autocomplete feature, giving users insight into what buyers are searching for. It also supplements this with Google keyword volume data to offer broader context. The interface is simple, and users can begin researching without signing up or paying.

The tool is intended to help sellers improve their Amazon SEO by identifying relevant keywords for product titles, bullet points, and backend fields. It can also assist with optimizing ad campaigns by showing terms with higher visibility potential. Users can manually explore keyword competitiveness, identify possible niches, and tailor their listings more accurately using these insights.

Key Highlights:

• Generates keyword suggestions using Amazon autocomplete
• Supports niche and product-specific input
• Combines data from Amazon and Google
• Designed for listing and ad optimization
• Free access with no registration required
  

Who it’s best for:

• Sellers needing fast keyword suggestions for product listings
• Users exploring low-cost SEO tools
• Beginners testing Amazon keyword strategies
• Sellers adjusting backend and ad keywords
  

8. smart-minded

Smart-minded.com provides a basic keyword tool designed to support keyword research from the customer’s perspective. Users input a product-related term, and the tool returns relevant keyword suggestions based on common search behavior. It encourages sellers to consider primary, secondary, and long-tail keywords while focusing on relevancy and clarity. The platform highlights the importance of regularly updating keywords to stay aligned with changing trends.

While the keyword suggestions are simple, the tool works as a starting point for Amazon listing improvements. It also emphasizes avoiding irrelevant or misleading keywords to maintain listing quality and performance. Though there is no advanced filtering or export functionality, the tool offers free access and is supplemented with educational blog content to guide new sellers through Amazon SEO basics.

Key Highlights:

• Suggests keywords based on user input
• Focuses on relevance and long-tail terms
• Encourages regular updates and competitor review
• Designed for beginner use and basic listing setup
• Free access without advanced features
  

Who it’s best for:

• Beginners learning Amazon SEO fundamentals
• Sellers looking for simple keyword suggestions
• Users focused on relevancy over volume
• Small businesses without access to paid tools
  

9. AMZScout 

This browser extension from AMZScout combines keyword tracking and reverse ASIN lookup features for Amazon sellers. It allows users to track keyword rankings over time and analyze how listings perform in search results. The tool displays how keywords move in ranking based on listing changes or ad campaigns. Sellers can monitor their own listings or evaluate competitors using ASIN input.

The extension also includes an index checker, which verifies whether Amazon’s algorithm has picked up certain keywords in a listing. The tool presents keyword changes in clear graphs and allows users to monitor data hourly or daily. Although it offers a limited free trial, its core functions are accessible to FBA and FBM sellers across major marketplaces.

Key Highlights:

• Tracks keyword rankings for your listings and competitors
• Supports reverse ASIN lookup to view competitor keywords
• Includes keyword index checker
• Visualizes keyword position trends with graphs
• Works within Chrome as an installable extension
  

Who it’s best for:

• Sellers monitoring organic keyword rank changes
• Users analyzing ad performance and listing updates
• Competitor-focused researchers
• Sellers wanting visual insights from within the browser

10. Keyword.io

Keyword.io offers a free keyword research tool that pulls autocomplete suggestions from platforms like Amazon, Google, YouTube, Bing, and more. The Amazon keyword tool helps users discover long-tail search phrases based on real user queries. By entering a seed keyword, sellers can quickly generate relevant suggestions that reflect actual shopping behavior. These keywords can be used for Amazon listings, PPC campaigns, and content creation.

The tool allows users to filter, copy, and download keyword lists for further use. It is designed for sellers, writers, and marketers looking for a straightforward method to explore keyword ideas. While the tool does not offer advanced analytics or ranking data, it serves as a fast and accessible option for early-stage keyword research.

Key Highlights:

• Uses Amazon autocomplete to generate long-tail keyword suggestions
• Covers multiple platforms including eBay, YouTube, Bing, and Google
• Free access with no login required for basic functionality
• Allows downloading and filtering of results
• Suitable for product research, SEO, and content planning
  

Who it’s best for:

• Sellers looking for simple Amazon keyword ideas
• Users running initial product or content research
• Individuals comparing search patterns across platforms
• Beginners without access to paid SEO tools
  

11. Google Trends

Google Trends provides a visual tool for tracking search interest over time. While not Amazon-specific, it helps users understand which topics or keywords are gaining popularity. Users can compare multiple terms, identify seasonal interest, and see regional search differences. This can be helpful for identifying product trends or planning marketing campaigns based on user interest shifts.

The platform is free to use and offers daily insights, trend charts, and related queries. Although it doesn’t provide detailed Amazon keyword data, it works as a complementary tool when deciding which topics or product areas are currently in demand.

Key Highlights:

• Tracks keyword popularity over time and by region
• Allows comparison of multiple keywords
• Visualizes trends and related topics
• Free and accessible to all users
• Useful for identifying seasonality and trend timing
  

Who it’s best for:

• Sellers tracking general consumer interest
• Users planning seasonal product listings
• Researchers comparing keyword relevance
• Marketers exploring trending topics for new content
  

12. SEO Review Tools

SEO Review Tools offers a free Amazon keyword tool that provides keyword suggestions directly from Amazon’s search data. By entering a product name or category, users receive a list of primary and secondary keywords that reflect actual Amazon search terms. This tool is designed to support product listing optimization through better keyword placement in titles, bullet points, and backend fields.

It includes basic filters for narrowing results and suggests using descriptive keywords and avoiding keyword stuffing. The tool can be used independently or alongside other SEO Review Tools for a broader strategy. It is available for free with no need for advanced setup.

Key Highlights:

• Generates keywords based on Amazon’s search suggestion system
• Separates results into primary and related keywords
• Helps optimize listings for visibility
• Available without registration
• Can be used with other SEO tools from the same provider
  

Who it’s best for:

• Sellers optimizing Amazon titles and descriptions
• Users focusing on listing relevance and structure
• Beginners needing quick keyword lists
• Marketers enhancing backend keyword coverage
  

13. AMALYTIX

AMALYTIX provides a keyword research tool that allows users to compare the relative popularity of search terms on Amazon. After entering a seed keyword, the tool returns a ranked list of related keywords based on frequency. This can help users decide which terms to prioritize in titles, ads, and listings. There is also a keyword permutation tool that combines keyword groups into possible search phrases for ad testing.

The interface is simple and focuses on helping users understand keyword ranking and potential ad keyword combinations. The tool does not include advanced filters or export options but offers a fast way to evaluate keyword options for Amazon listing and advertising use.

Key Highlights:

• Ranks related keywords based on Amazon search frequency
• Includes a keyword permutation tool for generating combinations
• Supports two or three keyword group inputs
• Shows unique keyword sets without duplicates
• Free to use without account registration
  

Who it’s best for:

• Sellers comparing similar search terms
• Users testing ad keyword combinations
• Beginners evaluating keyword rank relevance
• Advertisers preparing campaign keyword lists

Conclusion

Free Amazon keyword research tools offer a practical starting point for sellers looking to improve product visibility without added costs. While these tools may not include all the advanced features of paid platforms, they provide essential insights such as keyword suggestions, search trends, and listing optimization guidance. For many sellers, especially those just getting started or working with limited budgets, these tools are enough to support basic SEO and advertising efforts.

By using a mix of tools focused on autocomplete suggestions, competitor analysis, and keyword filtering, sellers can better understand what buyers are searching for and adjust their listings accordingly. Consistent use of keyword research tools helps improve targeting, reduce wasted ad spend, and increase the chances of ranking higher in Amazon’s search results.