Commission-blind recommendations · Built for Canadians

You're probably using the wrong card.

Upload a statement and Butter shows you, across 79 verified Canadian cards, exactly which one pays you the most on your real spending. Commissions never touch the ranking.

The average Canadian with 3 cards leaves $520/year in rewards unclaimed. Upload a statement and see yours → · never stored

The Chrome extension

The right card at every checkout.

The free Chrome extension watches for checkouts and points to whichever of your cards earns the most on that purchase. Card names only. Nothing leaves your browser.

0
Network requests
100%
On-device

Works on desktop Chrome. Send yourself the link and set it up there.

The answer, not a quiz

Here's what Butter tells you.

A real verdict from the same engine that reads your statement: sample spending, ranked live across 79 verified Canadian cards. Pick whoever spends most like you.

Ranking every Canadian card…
How it works

Three steps, thirty seconds.

01
Upload a statement

CSV, Excel, or PDF from any Canadian bank. No account needed, and statements are never stored.

02
See your best card

Butter projects your real spending across 79 verified Canadian cards and names the one that pays you most.

03
Decide with the full picture

Every card page shows where it wins, where it falls short, and the caps that matter, verified against the issuer.

Torn between specific cards?
Put any of them head to head. Same engine, real earn rates, and the winner explained.
Compare them →

Start using the right card.

One upload tells you which card to carry. Free, private, about 30 seconds.

Analyse my spending
79
Cards verified
0
Statements stored
~30s
To your answer
100%
Commission-blind

No account required · No card numbers · Statements never stored

Privacy policy·Terms·Butter may earn a referral fee when you apply through our links — it never affects rankings.