Overview
Betting odds converter & parlay calculator. Convert American, Decimal, Fractional odds. Implied probability & payout calculator.
A simple browser extension for converting betting odds and calculating parlays. Convert between American, Decimal, and Fractional odds instantly, calculate bet payouts, and build parlay bets — all in one place. Odds Converter: - Enter odds in any format (American, Decimal, or Fractional) and the other two are calculated automatically. - A visual implied probability bar shows the corresponding percentage for the entered odds. Bet Calculator: Enter a bet amount to see your potential winnings (To Win) and Total Payout based on the converted odds. Parlay Calculator: - Build parlays with up to 30 selections. - Enter the odds for each leg in any format — the other formats auto-fill. - Combined parlay odds are shown in all three formats. - Enter a risk amount to see potential parlay payout and winnings. Features - Real-time odds conversion: American, Decimal, Fractional - Implied probability percentage bar - Bet calculator for payout and winnings - Parlay calculator supporting up to 30 legs - Pin to any webpage as a floating, draggable panel - Multi-language support: English, Spanish, Portuguese, German, Chinese, French - Lightweight — no account required, no data collection How to use - Click the extension icon to open the odds converter. - Type odds in any format and the conversion is instant. - Use the Parlay Calculator button to switch to the parlay builder. - Pin the tool to any webpage for easy access while browsing. This tool is designed to help you understand odds and probabilities. It's for informational purposes only and shouldn't be considered betting advice.
Details
- Version5.1
- UpdatedMay 17, 2026
- Offered byFederico Rocca
- Size390KiB
- LanguagesEnglish
- Developer
Email
frpm@pm.me - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
