RBX Tax Calculator by John Willn

Instantly calculate Roblox marketplace fees (30%) and creator earnings. Toggle between Seller Mode and Developer Mode to see exactly how much you will receive or need to charge.

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About this extension

The essential tool for Roblox traders, clothing designers, and game developers.

Stop guessing your profits! The RBX Tax Calculator helps you instantly calculate the 30% marketplace fee deducted by Roblox.

Features:

Seller Mode: Enter your selling price to see exactly how much Robux you will receive after tax.

Developer Mode: Enter how much you want to earn, and we'll tell you exactly what price to set.

Dark Mode UI: Sleek, modern interface designed to match the gaming platform.

Privacy First: Runs entirely offline with Zero Permissions required.

Perfect for calculating profits on limited items, clothing, and game passes.

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