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Four small tools

The only tools you’ll need.

No paywalls. No trackers beyond what your browser already does. Everything that can run client-side, does.

I
Most used
Matched betting calculator
Four inputs, one number: the exact amount to lay. Supports qualifying bets, SNR and SR free bets.
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II
Students
Student calculator
The same calculator, sized for a student bankroll — £5 stakes, small float, and the student loan & tax questions answered.
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III
Free
Offer tracker
Tick off offers as you do them. Lives in your browser — no account, no cloud.
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IV
Handy
Odds converter
Decimal ↔ fractional ↔ American ↔ implied probability.
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V
Sign-up
Bet tracker
Logs every back and lay across all your bookmaker accounts, calculates running profit, and surfaces free-bet expiries before they lapse. Syncs across devices — sign-up needed.
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No account
Nothing to sign up for (except the bet tracker). Open, use, close the tab.
No tracking
Your stakes stay on your device. No analytics pixels on tools.
Runs anywhere
Plain HTML + JavaScript. Works offline once loaded.