Step 1
Starting point
Set marketplace, BSR range, reviews, and price.
Market discovery
Find KDP niches from real book data.
Filter the catalog by BSR, reviews, price, age, and publishing signals to find markets with room to operate.
Compare demand, competition, and catalog maturity to turn a broad category into a concrete shortlist of micro-niches and books to investigate.
BSRrank
Directional commercial strength.
Reviewsbarrier
Entry difficulty.
Replicabilityfit
How attackable the market looks.
Niche radar
Data filters, book cohorts, and replicability signals.
BSR
rank
Reviews
barrier
Replicability
fit
Operating view
Niche
1
Database books
2
BSR filters
3
Review filters
4
Price bands
5
Book cohort
What it evaluates
BSRrank
Reviewsbarrier
Replicabilityfit
Directional commercial strength.
Path
1
Choose market and filters
Set marketplace, BSR range, reviews, and price.
2
Review books
Analyze results, patterns, and demand signals.
3
Save or deepen
Move ASINs and keywords into the next tools.
Step 2
Signals to read
BSR: Directional commercial strength. Reviews: Entry difficulty. Replicability: How attackable the market looks.
Step 3
Final output
Move ASINs and keywords into the next tools.
Core capabilities
What makes this tool useful.
Each page explains the practical value of the tool: when to use it, what it checks, and what output it brings into the workflow.
Database-first research
Starts from collected books instead of isolated intuition.
Useful KDP filters
Combine BSR, reviews, price, format, and book freshness.
Keyword research handoff
Turn interesting books into Reverse ASIN and validation inputs.
How it works
From research to action.
The tool should not just show data: it should help you understand the next step.
Operational output
Data filters, book cohorts, and replicability signals.
- 1
Choose market and filters
Set marketplace, BSR range, reviews, and price.
Input - 2
Review books
Analyze results, patterns, and demand signals.
Read - 3
Save or deepen
Move ASINs and keywords into the next tools.
Output
Complete capabilities
What is inside.
Database books
BSR filters
Review filters
Price bands
Book cohort
Reverse ASIN handoff
Best for
When it makes most sense.
- Finding niches
- Studying categories
- Selecting initial competitors
What it evaluates
BSR
Directional commercial strength.
Reviews
Entry difficulty.
Replicability
How attackable the market looks.
Related tools
Continue the workflow.
These tools complete the analysis or move the output into the next phase.
Opportunity Discovery
Reorganize keyword and competitor evidence into opportunities ranked by demand, accessibility, gaps, and timing, ready for validation.
Keyword clustersEvidence booksDemand lens
Reverse ASIN Lab
Reverse ASIN Lab helps you understand which keywords bring traffic to competing books and which belong in your publishing plan.
ASIN inputRanked keywordsDatabase evidence
Niche