TaxLens

About

TaxLens helps you see the true total cost while shopping on Amazon.ca.

Amazon prices are usually shown before tax. TaxLens automatically adds clear tax breakdowns next to prices so you can instantly understand what you will actually pay at checkout.

What TaxLens does:

Shows before-tax price, tax amount, and after-tax total
Supports all Canadian provinces and territories
Applies HST, GST, PST, and QST correctly by location
Works across product pages, search results, and cart
Lets you set postal code manually or estimate province from IP
Updates dynamically as Amazon content changes
Why people use it:

Avoid checkout surprises
Compare items using real after-tax totals
Make faster, better purchase decisions
Privacy-first design:

No account required
No selling of personal data
Uses local storage for your preferences
Uses IP-based lookup only to estimate province when you choose Detect