How much money are you
leaving on the table?
Sellers who use data to pick products earn on average 3.2x more than those who go on gut feeling.
Without data
With MK Analyzer
Everything you need to
sell more and with bigger profit
AI Opportunity Score
Our algorithm analyzes 5 dimensions — demand, competition, margin, trend and quality — and computes a 0 to 100 score for every product. In seconds you know whether that niche is worth the investment.
Real Margin Calculator
Factors in marketplace commission, estimated shipping, taxes and operating costs. Know your net margin BEFORE you buy your first batch. Supports the commission tables of all 28 marketplaces.
Competition Analysis
See how many sellers share the same niche, the price range in play, and how to position yourself. Compare up to 5 products side by side with a visual radar chart to find gaps in the market.
Monthly Sales Estimate
The algorithm estimates sales from real data: reviews, ranking position and search volume. Know each product’s revenue potential before spending a single cent.
28 Marketplaces. One extension.
3 steps to profit faster
Install the extension
Add it to Chrome in 1 click. It’s free, no hassle.
Browse the marketplaces
Visit any product as usual. The extension detects it automatically.
Spot opportunities
Score, margin, sales and competition appear right on the page.
Those who use it, profit more
“I found a pet-accessories niche with a 48% margin that nobody was exploring. Within a month, revenue topped R$ 10k. The AI Score completely changes how you research products.”
“The margin calculator saved me from investing R$ 8k in a product that looked good but had a 6% margin. I found an alternative in the same niche with a 38% net margin.”
“I use it across 4 marketplaces at once. The competition analysis revealed gaps I couldn’t see, and my sales volume grew significantly in just a few months.”
Less than a coffee a day.
Way more profit per month.
💳 No card needed for FREE · Pay by Credit Card · 7-day guarantee · Cancel anytime
Calculate before you sell.
Decide with data.
Free calculators to find your real margin on each marketplace — no sign-up.
Guide: Fees of
28 Marketplaces 2026
A PDF with commissions, fixed fees and ready-made formulas for ML, Shopee, Amazon and 25 more platforms. Calculate your margin before you invest.
Get your answers
Yes! The FREE plan is free and includes the AI Score, sales estimates and 3 analyses per day on Mercado Livre and Amazon.com. New users get a 15-day trial with every feature.
PRO supports 28 marketplaces: Mercado Livre, Shopee, Amazon BR, Amazon.com, Magazine Luiza, AliExpress, Americanas, Casas Bahia, and many more. FREE works on Mercado Livre and Amazon.com.
Our algorithm analyzes 5 dimensions (demand, competition, margin, trend and quality) using real marketplace data and generates a 0 to 100 score.
Absolutely. We use end-to-end encryption, never sell your data, and are fully LGPD compliant.
Yes, no hassle. Cancel from the dashboard in 1 click. 7-day money-back guarantee on any paid plan.
No! The Chrome extension does it all. Install it, sign in and browse. The data appears automatically on the product page.
Your competitors are
already using data.
Are you?
Every day without competitive intelligence is an opportunity slipping away.
Start now. It’s free.