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Calculate value bets based on bookmaker odds and real probabilities from checklive.com Value Bet Calculator is a powerful, intuitive, and lightweight browser extension designed to help bettors, analysts, and sports fans make more informed and profitable betting decisions. With accurate value calculations and real-time data integration, this tool elevates your betting strategy to a new level of precision. Key Features 1. Dual Mode Operation: Auto Mode & Manual Mode • Auto Mode – Connects to a sports odds API to automatically fetch real-time data including: • Sports (Football, Basketball, Tennis, Hockey) • Leagues • Matches • Markets (e.g. 1X2, Over/Under, BTTS) • Bookmaker odds • Manual Mode – User enters their own estimated probability and bookmaker odds to calculate value instantly. 2. Real-Time Value Calculation • Formula: Value = (Probability × Odds) – 1 • Output shown with three decimal points • Clear visual feedback: • Positive value is displayed in green • Negative value is displayed in red 3. Live API Integration & Real Data • Pulls data from a reliable sports API • Updates three times per day for maximum freshness • Uses live bookmaker odds for each match • Supports multiple betting markets 4. Smart Searchable Dropdowns • Each selection field (Sport, League, Match) supports: • Typing to search (e.g., typing “fut” shows “Football”) • Clicking to view a full dropdown list • Users can start from any point (Sport, League, or Match) — filtering works in all directions • Clean, unified component: one field for typing and selecting (not separate input and select elements) 5. Top Matches with Value • A separate tab “Top Matches of Value Bet” displays the top 10 upcoming matches with the highest value • Each match entry shows: • Match date • League • Teams • Calculated value (sorted in descending order) • Past matches are automatically removed — only upcoming, relevant events remain 6. Daily Request Limit Display • Each user is allowed 10 API-based queries per day • A clear progress bar visually tracks how many requests remain • Ensures fair use and smooth operation for all users 7. Clean & Lightweight UI • Minimalist interface for fast interaction • Optimized for Chrome, Brave, Edge, Opera • Fully responsive design (mobile-friendly) Most bettors rely on gut feeling or guesswork — but smart bettors focus on value. This tool helps you: • Avoid overpriced bets • Spot hidden value opportunities • Build a long-term profitable betting strategy • Analyze faster and with more confidence 🧠 Who Is It For? • Professional and semi-pro bettors • Sports data analysts • Fans of football, tennis, basketball, and hockey • Sports content creators and developers • Beginners learning how to bet with strategy Click “Add to Chrome” and start identifying high-value bets in seconds. Whether you’re a pro or just learning the ropes, Value Bet Calculator brings clarity and logic into your betting strategy.
Odds to Probability Text Changer
Click this extension to convert all American odds on a webpage to implied probability. This extension looks for American odds (such as "+140" or "-350") on the page, calculates the implied probability, and displays it as a percentage. For example, "+140" becomes "+140 (41.7%)" Assuming the odds are "fair", the implied probability is the percentage chance that the bet is supposed to win. Because sportsbooks charge a fee or "vig" for placing bets, this number will appear slightly higher than the actual probability. This implied probability is simpler way to look at sports betting: a "good bet" is one where you believe the percentage chance is higher than the implied probability. This project is open-source and available on Github: https://github.com/danielchines/odds-converter-extension
Odds Converter and Bets 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.
QuickOdds - Instant Betting Odds Calculator
Calculate betting odds and potential payouts instantly with QuickOdds! Transform your betting experience with QuickOdds, the intuitive and sleek betting odds calculator now available on Chrome! QuickOdds offers sports enthusiasts and casual bettors alike an easy way to understand and compute the most common betting odds used in sportsbooks around the world.
Polymarket Sure Bet Finder
Find high-probability Polymarket bets ending soon. AI-powered scoring helps identify the best short-term betting opportunities. Polymarket Sure Bet Finder helps you discover profitable trading opportunities on Polymarket by automatically finding bets with extreme odds that are ending soon. KEY FEATURES: • View top 20 highest and lowest probability bets • Filter by hours to expiry and probability threshold • Real-time market volume for each opportunity • Auto-refresh every 1, 5, or 10 minutes • No data collection - runs entirely in your browser HOW TO USE: 1. Click the extension icon 2. Set hours to expiry (1 hour to 30 days) 3. Optionally set probability filter threshold 4. Click Search 5. Browse top 20 bets and click View to trade WHAT YOU'LL FIND: - YES column: Markets where YES is highly probable (50%+) - NO column: Markets where NO is highly probable - Volume: Total market liquidity - Time: Hours/minutes remaining or time since ended DISCLAIMER: For informational purposes only. Not financial advice. Always conduct your own research before trading. Prediction markets may have location restrictions.
