Find successful keywords
to boost your book
sales on Amazon.
The Ultimate All-In-One
Keyword Search Tool for Self-Publishers.
As Easy-to-Use as Powerful!
Save your time and automate processes.
Works with Kindle, Books & Audible
Reverse ASIN Lookup
[NEW] Find your competitors’ keywords where the searched ASIN is ranked for.
[NEW] Find tons of keyword suggestions for your new titles and Amazon ADS.
You can get the best list of autosuggested keywords from Amazon algorithm.
Search by Reviewers
Search by Narrators
Export to CSV
Up to #11 Amazon Marketplaces
Works on the following Amazon stores: .com/ .uk/ .de/ .it/ .fr/ .es/ .mx/ .ca/ .in/ .au/ .jp/
Simultaneous Keywords Research
Works on ALL Devices
NO VPN Subscription needed
Geo-Targeted Searches Based on Amazon Stores
Monitoring Profitable Keywords
Everything is Done Securely on Our Servers
Only Real-Time Data
No More Time-Consuming
More Amazon stores soon available!
How it Works
Everything you need
to get your business off the ground.
You will have full control over the values to identify the profitability of the keywords according to your own strategy.
You can highly customize settings for each Amazon Store (.com,.co.uk,.it,.de,.fr,.es), and per stream
(Kindle, Books and Audible).
Best Sellers Rank (BSR)
Set the maximum price you want to control for the evaluation of your search results.
#6 Amazing Searching Methods
KD MasterKey makes the process fun, easy and fast. Depending on your strategy, you can choose from #6 powerful keyword searching methods, among the most used by top Self-Publishing experts.
1. Autocomplete Keywords
Enjoy the advantages of Amazon’s search with its Top Suggestions with the power of our algorithm that calculates dozens of closely related keywords equally useful for your strategy.
2. Manual Search
3. Search by Reviewers
4. Search by Narrators
5. Reverse ASIN Lookup
[NEW] Searching by ASIN allows you to discover which keywords your competitors rank in search results and are performing better or which profitable keywords are behind a best seller.
6. Keyword Suggestions
[NEW] You will get a list of best keyword suggestions and immediately know their popularity, current and historical search volumes up to 12 months, and seasonality. An indispensable tool for discovering new profitable keywords and for the success of your Amazon ADS!
Ultra-Deep Keywords Analysis
KD MasterKey will analyse all keywords for all Amazon streams simultaneously (Kindle, Books & Audible).
It can do this very quickly, without ever stopping or limiting the number of results it gives you!
This means no more waiting between searches and no more using a VPN because our algorithm works with thousands of Premium Geolocalized Proxies (Top Residential IP addresses) to guarantee you a search that is as faithful as possible to the manual one but without any limits for Amazon’s annoying blocks.
#8 Advanced Filters
Keyword in Title or Subtitle
Keywords Profitability Monitoring
The most important function on this tool is the ability to automatically track all the keywords you select which are interesting for long term monitoring.
Once enabled, the tool will analyze your keyword at the same time each day, and generate a report about its historical performance. This allows you to make an intelligent, not-instantly-reactionary investment decision.
Tracking Profitable Keywords
Advanced Profitability Charts
Watch these short videos
to start getting profitable keywords right away!
No renewals or monthly subscriptions.
You only pay for what you use.
What do I need to get started with KD MasterKey?
You only need Internet access and a common web browser such as Chrome, Safari, Firefox, IE, Opera, Brave, etc.
It works on all desktop (Windows, Mac & Linux) and mobile (IOS & Android) devices.
How do credits work?
After you’ve got your keywords list to analyze, you should do a lot of manual research to make sure they are profitable (or not). This is the part where you can use the Credits to optimize your analysis even further.
With 1 Credit you can run a complete keyword analysis on all 3 Amazon streams (Kindle, Books & Audible) in a single store (i.e. Amazon.com)! In just a few moments you’ll have a detailed report of the keyword’s profitability across all 3 streams without wasting more time!
1 Credit = 1 complete analyzed keyword in Kindle, Books & Audible.
Do credits have an expiry date?
NO! Once purchased, the credits will be available in your account and you can use them whenever you want, without any time limit.
Can I search for several keywords at once?
Of course, KD MasterKey allows you to start a multi keyword search, which returns a detailed report for all your keywords on various streams such as Kindle, Books & Audible
How do I read the keyword analysis report?
Thanks to 8 reading filters and our keyword Quality Score, it is very easy to identify the most profitable keywords.
Which streams and Amazon marketplaces are supported?
KD MasterKey works on the 6 main Amazon stores: .com/ .uk/ .it/ .de/ .fr/ .es/ processing the analysis on all 3 streams: Kindle, Books & Audible.
Feel Free to Contact Us
if You Have Any Doubts or Questions.