Top Chrome Extensions for Amazon Fba Calculator
Amazon Fba Calculator Chrome extensions — 19K monthly searches · Rankings shifted 37× in 7 days · Top 3 locked — dominated by incumbents
What Developers Can Learn
Intelligence derived from tracked keywords across all Amazon Fba Calculator sub-keywords
Most Congested
Top 3 extensions hold 90%+ of visibility.
AMZScout leads with 100K users and 4.2 rating; SellerApp follows with 70K users at 4.1.
Even niche players score 5.0, but lack scale.
A 0.906 concentration ratio signals entrenched incumbents with massive review histories.
Competing here demands either superior fee accuracy or a disruptive pricing model.
Possible Openings
Amazon Price Tracker and Track Amazon Prices show strong demand with fewer dedicated extensions.
Amazon Price History and Amazon Coupon Codes represent underserved niches where extension coverage is thin.
These adjacent angles could capture users frustrated by basic calculator features without facing saturated competition.
Positioning Patterns
All top performers embed FBA and calculator in their names, maintaining 4.5+ average ratings.
AMZScout dominates through brand recognition and free tier depth.
The market rewards tools combining fee breakdowns, profit margins, and ROI projections in a frictionless popup interface.
Top Extensions Leaderboard
7-day ranking snapshot and appearances in Top 10
| # | Extension | Users | Rating | Appearances | Category | Momentum |
|---|---|---|---|---|---|---|
| 1 |  FBA calculator for Amazon Sellers : SellerApp | 70,000+ | ⭐ 4.1 | 7/7d | Amazon | — stable |
| 2 |  Amazon FBA Calculator Free by AMZScout | 100,000+ | ⭐ 4.2 | 7/7d | Amazon | — stable |
| 3 |  FBA Calculator for Amazon FBA Sellers - Free | 781 | ⭐ 5 | 7/7d | Amazon | — stable |
| 4 |  sellerboard Amazon FBA Profit Calculator | 7,000+ | ⭐ 4.3 | 7/7d | Amazon | — stable |
| 5 |  Free Amazon FBA Calculator | 6,000+ | ⭐ 5 | 7/7d | Amazon | — stable |
| 6 |  Amazon FBA Calculator & Seller Tools – Free Profit, BSR & Fee Analyzer | 421 | ⭐ 5 | 7/7d | Amazon | — stable |
| 7 |  eCommerce Profit Calculator | 3,000+ | ⭐ 4.5 | 7/7d | Amazon | — stable |
| 8 |  AmazonScout - Product Research & FBA Calculator | 9 | ⭐ 0 | 7/7d | Amazon | ↓ dropping |
| 9 |  SellerSprite Profit - FBA Calculator for free | 545 | ⭐ 0 | 7/7d | Amazon | ↑ rising |
| 10 |  Amazon Sourcing Tool & FBA Calculator | 775 | ⭐ 4.9 | 7/7d | Amazon | — stable |
FBA calculator for Amazon Sellers : SellerApp
70,000+ · ⭐ 4.1 · 7/7d
Amazon FBA Calculator Free by AMZScout
100,000+ · ⭐ 4.2 · 7/7d
FBA Calculator for Amazon FBA Sellers - Free
781 · ⭐ 5 · 7/7d
sellerboard Amazon FBA Profit Calculator
7,000+ · ⭐ 4.3 · 7/7d
Free Amazon FBA Calculator
6,000+ · ⭐ 5 · 7/7d
Amazon FBA Calculator & Seller Tools – Free Profit, BSR & Fee Analyzer
421 · ⭐ 5 · 7/7d
eCommerce Profit Calculator
3,000+ · ⭐ 4.5 · 7/7d
AmazonScout - Product Research & FBA Calculator
9 · ⭐ 0 · 7/7d
SellerSprite Profit - FBA Calculator for free
545 · ⭐ 0 · 7/7d
Amazon Sourcing Tool & FBA Calculator
775 · ⭐ 4.9 · 7/7d
Ranking Volatility - Top 10 Ranks
7-day Top 10 movement snapshot (2026-07-14 to 2026-07-20)
✦ Entered Top 10 This Week
↓ Dropped Out of Top 10
Data Methodology
- Data source:
- Chrome Web Store search results
- Update frequency:
- Weekly
- Monthly Search Demand:
- Estimated demand indicator sourced from third-party keyword data. Not CWS-internal figures.