Best 10 Free Amazon Keyword Research Tool
Introduction
If you sell on Amazon or plan to, finding the right keywords is crucial to getting your products noticed. Free Amazon keyword research tools help you uncover the search terms shoppers use, so you can optimize your listings and improve your chances of sales. In 2026, these tools remain essential for sellers who want to compete without overspending on software.
This list covers 10 of the best free Amazon keyword research tools available today. Each option offers unique features that fit different needs, from beginners to experienced sellers. By understanding their strengths, you can pick the right tool to improve your product visibility and sales performance.
What is Amazon Keyword Research Tool?
Amazon keyword research tools help sellers find the exact words and phrases buyers type into Amazon’s search bar. They show search volume, competition, and related keywords to guide listing optimization. These tools fit into workflows by providing data sellers use to write titles, bullet points, and backend search terms that match shopper intent.
- They reveal popular search terms that customers use to find products on Amazon.
- They help identify keywords competitors rank for, giving insight into market trends.
- They provide data on keyword search volume and competition to prioritize efforts.
- They assist in optimizing product listings to improve visibility and conversion rates.
Understanding how these tools work matters most when you want to increase organic traffic and sales on Amazon. This knowledge leads naturally to exploring the best free options available.
Best Free Amazon Keyword Research Tool
1. Sonar by Sellics
Sonar is a free Amazon keyword research tool designed specifically for sellers looking to find relevant keywords without cost. It offers a straightforward interface and pulls data directly from Amazon’s search engine, making its results reliable for real-world use. Sonar’s standout feature is its ability to generate extensive keyword lists quickly.
| Parameter | Details |
| Data Source | Uses Amazon’s autocomplete and search data to provide accurate keyword suggestions. |
| Search Volume | Displays estimated search volume to help prioritize keywords effectively. |
| User Interface | Simple and clean design that is easy to navigate for beginners and pros alike. |
| Export Options | Allows exporting keyword lists in CSV format for offline analysis and use. |
| Language Support | Supports multiple Amazon marketplaces including US, UK, and Germany. |
Sonar is best for sellers who want a no-cost, reliable tool to generate large keyword lists quickly. It fits well for those starting to optimize listings or researching new product ideas.
2. Keyword Tool (Keywordtool.io) Free Version
Keyword Tool offers a free Amazon keyword research feature that uses Amazon autocomplete data to suggest relevant keywords. While the free version limits access to search volume and competition metrics, it still provides a broad list of keyword ideas. This tool is useful for brainstorming and initial research.
| Parameter | Details |
| Keyword Suggestions | Generates hundreds of keyword ideas based on Amazon autocomplete. |
| Search Volume | Not available in free version; requires paid upgrade. |
| Ease of Use | Intuitive interface with clear keyword grouping and filtering options. |
| Marketplace Coverage | Supports Amazon US, UK, Canada, and other major marketplaces. |
| Limitations | Free version lacks detailed metrics like CPC and competition data. |
Keyword Tool’s free version suits sellers who want to gather keyword ideas quickly without needing detailed metrics. It’s ideal for early-stage research and expanding keyword lists.
3. AMZBase
AMZBase is a free tool that helps sellers find product ASINs and related keywords by pulling data from Amazon and other sources. It’s particularly useful for product research and quickly identifying keywords tied to specific products. AMZBase is lightweight and easy to use.
| Parameter | Details |
| Keyword Extraction | Extracts keywords from product titles and descriptions on Amazon. |
| ASIN Lookup | Quickly finds ASINs to analyze competitor products and keywords. |
| User Experience | Minimalist design focused on speed and simplicity. |
| Integration | Works well alongside other research tools for deeper analysis. |
| Cost | Completely free with no hidden charges or limits. |
AMZBase is best for sellers who want a quick way to gather keywords related to specific products or competitors. It fits well for those combining keyword research with product sourcing.
4. Keyword Inspector Free Tools
Keyword Inspector offers a suite of free Amazon keyword tools including a keyword tracker and reverse ASIN lookup. These tools provide insights into keyword rankings and competitor keywords. The free features are limited but valuable for sellers wanting to monitor performance without cost.
| Parameter | Details |
| Reverse ASIN Lookup | Finds keywords competitors rank for by entering their ASIN. |
| Keyword Tracking | Tracks keyword ranking changes over time for selected products. |
| Data Accuracy | Provides reliable data sourced directly from Amazon’s search results. |
| User Interface | Slightly complex but manageable for users familiar with keyword research. |
| Free Limitations | Limited daily queries and features compared to paid plans. |
Keyword Inspector’s free tools are best for sellers who want to track competitor keywords and monitor their own rankings without investing in paid software.
5. Ahrefs Amazon Keyword Tool (Free Version)
Ahrefs, known for SEO tools, offers a free Amazon keyword research feature that provides keyword suggestions and search volume estimates. While limited compared to its paid SEO suite, this tool gives sellers a taste of professional keyword data for Amazon listings.
| Parameter | Details |
| Keyword Suggestions | Generates relevant keywords based on seed terms for Amazon searches. |
| Search Volume | Provides estimated monthly search volumes for keywords. |
| Data Source | Uses a mix of Amazon data and Ahrefs’ own database for accuracy. |
| User Experience | Clean interface with easy-to-understand metrics and filters. |
| Limitations | Free access is limited in daily queries and features. |
Ahrefs’ free Amazon keyword tool suits sellers who want reliable keyword volume data and suggestions from a trusted SEO provider without upfront cost.
6. Viral Launch Keyword Research Tool (Free Version)
Viral Launch offers a free keyword research tool that helps sellers find keywords with search volume and relevancy scores. The free version limits the number of searches but provides enough data to improve listing optimization and PPC campaigns.
| Parameter | Details |
| Keyword Volume | Shows estimated search volume to prioritize keywords. |
| Relevancy Score | Rates how closely keywords match the product niche. |
| User Interface | Modern and user-friendly design for quick keyword discovery. |
| Export Capability | Allows exporting keyword data for offline use. |
| Limitations | Free version restricts daily keyword searches and data depth. |
Viral Launch’s free tool is best for sellers who want a balance of volume and relevancy data to refine their keyword strategy without paying.
7. Ubersuggest Amazon Keyword Tool (Free Version)
Ubersuggest, a popular SEO tool, includes a free Amazon keyword research feature. It provides keyword suggestions and basic search volume data. The tool is easy to use and integrates well with other SEO research, making it useful for sellers who also manage external marketing.
| Parameter | Details |
| Keyword Suggestions | Offers keyword ideas based on Amazon search trends. |
| Search Volume | Displays approximate search volume for each keyword. |
| Cross-Platform Use | Useful for Amazon and external SEO keyword research. |
| User Interface | Simple and clean, suitable for beginners. |
| Limitations | Free tier limits daily searches and detailed metrics. |
Ubersuggest is ideal for sellers who want a free Amazon keyword tool that also supports broader SEO efforts beyond Amazon.
8. Keyword Tool Dominator (Free Version)
Keyword Tool Dominator offers a free Amazon keyword research tool that pulls autocomplete suggestions and related keywords. The free version allows a limited number of searches per day but provides accurate keyword ideas directly from Amazon.
| Parameter | Details |
| Autocomplete Data | Uses Amazon’s autocomplete to generate keyword suggestions. |
| Search Limits | Free version allows a few searches daily before requiring upgrade. |
| User Experience | Straightforward interface focused on keyword discovery. |
| Export Options | Supports exporting keyword lists for further analysis. |
| Marketplace Support | Covers multiple Amazon marketplaces worldwide. |
Keyword Tool Dominator fits sellers who want precise autocomplete-based keyword ideas and are comfortable with limited free daily searches.
9. AMZ Suggestion Expander
AMZ Suggestion Expander is a free browser extension that enhances Amazon’s search bar by showing additional keyword suggestions. It helps sellers discover long-tail keywords and related terms while browsing Amazon directly.
| Parameter | Details |
| Browser Integration | Works as a Chrome extension to expand Amazon search suggestions. |
| Keyword Discovery | Reveals long-tail and related keywords not visible by default. |
| Ease of Use | Installs easily and works automatically during Amazon searches. |
| Cost | Completely free with no usage limits. |
| Compatibility | Supports major Amazon marketplaces including US and UK. |
This tool is best for sellers who want quick keyword ideas while browsing Amazon without switching tools or platforms.
10. Google Keyword Planner (For Amazon Keyword Ideas)
Though not Amazon-specific, Google Keyword Planner is a free tool that helps sellers discover keyword ideas based on Google search data. It can inspire Amazon keyword research by showing related terms and search volumes that may overlap with Amazon shopper behavior.
| Parameter | Details |
| Keyword Suggestions | Provides broad keyword ideas related to product niches. |
| Search Volume | Shows monthly search volumes from Google’s database. |
| Cost | Free to use with a Google Ads account. |
| Use Case | Best for initial keyword brainstorming and market research. |
| Limitations | Data is from Google, not Amazon, so relevance varies. |
Google Keyword Planner is useful for sellers who want to expand their keyword research beyond Amazon and understand broader search trends.
When to Use These Free Amazon Keyword Research Tools
Free Amazon keyword research tools are valuable in several clear scenarios:
- When starting out and needing to find relevant keywords without upfront investment or subscription fees.
- When testing new product ideas and wanting to validate demand through keyword search volume and trends.
- When optimizing existing listings to improve organic visibility and conversion rates with targeted keywords.
- When monitoring competitor keywords and market shifts without committing to paid software.
These tools provide practical data for sellers at different stages, helping to make informed decisions without overspending. Using free tools together can cover many research needs before upgrading to paid options.
How to Choose the Best Free Amazon Keyword Research Tool
Choosing the right free Amazon keyword research tool depends on your specific needs and workflow:
- Consider the data accuracy and source; tools pulling directly from Amazon autocomplete tend to offer the most relevant keywords.
- Evaluate the availability of search volume and competition metrics to prioritize keywords effectively.
- Look at the ease of use and interface clarity, especially if you are new to keyword research.
- Check export options if you want to analyze keywords offline or integrate with other tools.
- Assess limitations like daily search caps or feature restrictions to ensure the tool fits your workload.
- Think about marketplace support if you sell internationally and need keyword data for different Amazon regions.
Balancing these factors helps you pick a tool that fits your budget and research depth. Combining multiple free tools can also provide a fuller picture without cost.
Conclusion
Free Amazon keyword research tools remain essential for sellers aiming to improve product visibility and sales without large software expenses. Each tool on this list offers unique strengths, from comprehensive keyword lists to competitor insights and browser-based suggestions. Understanding these differences helps you select the best fit for your selling strategy.
By using these tools thoughtfully, you can uncover high-impact keywords, optimize your listings, and stay competitive in Amazon’s marketplace. Confident keyword research leads to better decisions and stronger sales performance, making these free tools a valuable part of your seller toolkit.
FAQs
Which free Amazon keyword tool is best for beginners?
Sonar by Sellics is ideal for beginners due to its simple interface and reliable keyword suggestions directly from Amazon’s search data.
Can free tools provide accurate search volume data?
Some free tools like Viral Launch and Ahrefs offer estimated search volumes, but detailed accuracy often requires paid versions.
How many keywords can I research daily with free tools?
Most free tools limit daily searches to between 3 and 10 queries, encouraging users to upgrade for higher volumes.
Are free Amazon keyword tools useful for international marketplaces?
Many free tools support multiple Amazon marketplaces, but coverage varies, so check if your target region is included.
Can I export keyword data from free tools?
Several free tools allow exporting keyword lists in CSV format, which helps with offline analysis and listing optimization.