FairOdds Edge Finder

Popup-only no-vig + Kelly calculator. No content scripts, no page injection.

FairOdds Edge Finder is a fast, popup-only calculator for value betting. Paste the sharp line (e.g. Pinnacle) and your softbook price to instantly see no-vig fair odds, EV% and Kelly stakes. Runs entirely client-side — no content scripts, no page injection, no external requests, no tracking. How it works * Removes the sharp book’s margin to get fair probabilities/odds *Compares your offered price → EV% for each side *Suggests a practical Kelly stake (with rounding) Key features *2-way and 1X2 markets *Decimal, American and Fractional odds (auto-convert on format switch) *Bankroll input + Kelly scaling (full/half/etc.) and stake rounding step (€) *Spread% per side (share of market margin) *Copy/share results via URL on the website version *Keyboard-friendly; comma or dot accepted Privacy & permissions *Works fully offline/client-side *No host permissions, no content scripts, no page injection *No analytics; settings stored locally only Support is available on the website (see the links in the sidebar of this listing).