Marginix

by marginix.app@gmail.com · Shopping

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Profit, ROI, and margin calculator with persistence, comparison, and platform-ready support.

Users

−1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#169K

#141K among extensions

Version

1.2.2

updated 30 Apr 2026

Users

monthly, 7 months

Latest, 15 Oct 2026: 14 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months

Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Marginix

Marginix is a lightweight tool for Amazon sellers that helps quickly evaluate product profitability directly on Amazon product pages. With Marginix you can instantly calculate: • Profit • ROI (Return on Investment) • Margin • Break-even price • Minimum sell price Features: ✔ Simple profit calculator ✔ ROI and margin calculation ✔ Minimum sell price indicator ✔ Break-even analysis ✔ Draggable panel interface ✔ Works directly on Amazon product pages Simply open any Amazon product page, enter your costs, and instantly see whether the product is profitable. Marginix helps Amazon sellers make faster product decisions.