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10 Free Tools β€” AI-Powered Research

The Complete Free Betting Toolkit

AI analyst, EV calculator, odds converter, bet tracker, arbitrage, hedging β€” everything a serious bettor needs, all in one place, all free. Built for US, UK & Canada.

NFL Β· NBA Β· MLB Β· NHL EPL Β· Champions League ATP Β· WTA Tennis 100% Free Forever
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🎲Parlay Tool
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Your edge analysis appears here

Set your odds, probability and bankroll, then click Calculate.

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Converted formats appear here

Enter odds in any format above.

⚠️ Bets are stored in your browser only. Clear browser data = data lost. Use "Export CSV" regularly to back up your records.

πŸ“’ Log a Bet

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Total Bets
0-0
W-L Record
0.00%
ROI
$0.00
Net Profit
No bets logged yet. Add your first bet above.
OddsProbe AI β€” Gemini 2.5 Flash (Free)
NFL Β· NBA Β· EPL Β· Tennis
SHARPEDGE AI
Ask me anything about your bets β€” line movements, props, bankroll math, matchup angles.

Paste your free Gemini API key to activate. Get one free at aistudio.google.com β€” no credit card needed.
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Vig breakdown appears here

Enter both sides of any two-outcome market.

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Arb analysis appears here

Enter the best odds for each outcome from different books.

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Hedge analysis appears here

Enter your original bet and the hedge odds to see the optimal stake.

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Injury analysis appears here

Select the sport, position, and injury details above.

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Line comparison appears here

Enter two alternate lines and your probability estimate.

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Prop simulator ready

Enter your projection and variance, set the prop line, and run 10,000 simulations to find the true probability β€” and whether the book's price has value.

HOW TO USE
1. Projection β€” Your estimate of what the player will average in this game. Use recent averages, matchup data, injury reports.
2. Variance β€” How consistent is this player? A boom/bust WR has high variance. An elite RB has low variance. Start with ~20-25% of the projection.
3. Prop line β€” The number the book has set.
4. Run it β€” The simulator tells you the true over/under probability and whether the book's price has +EV.


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πŸ“š The Sharp Bettor's Complete 2026 Playbook

Master line shopping, CLV, bankroll management and finding value before the market closes. Essential for US, UK & Canada bettors.

Get the Guide β†’

Also Try These Free Tools

🎲
Parlay Calculator
Multi-leg combined odds, true probability, payout and expected value.
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Betting Glossary
Every betting term explained β€” ATS, CLV, steam, RLM, vig and 50+ more.
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Bet Tracker
Log every bet, track ROI, win rate, and net profit. Export to CSV anytime.
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Free AI Research Engine

Google Gemini 2.5 Flash β€” completely free, no credit card. Covers NFL, NBA, EPL, Tennis and more. Ask anything about line movements, props, and strategy.

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Personal Bet Tracker

Log every bet with sport, odds, stake and result. Running W/L record, ROI, and net profit β€” stored locally in your browser, 100% private. Export to CSV anytime.

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Arbitrage & Hedge Tools

Find guaranteed-profit arb opportunities between books β€” including 3-way soccer markets. Hedge calculator locks in profit or minimises loss on any live bet.

The Complete Sharp Bettor's Toolkit for 2026

Serious bettors don't use one tool β€” they use many. OddsProbe consolidates everything into a single free platform: AI analysis, math calculators, odds conversion, bet tracking, and advanced tools like arbitrage and hedging. 87% of sports betting now happens on mobile, which is why every tool here is designed mobile-first β€” no zoom required, no horizontal scrolling.

Why the EV Calculator Changes How You Think About Betting

Most bettors evaluate a bet by asking "will this team win?" The right question is "does this line have positive expected value?" EV is the average outcome over thousands of identical bets. If you bet every -EV bet you'll ever make, you'll lose money over time regardless of short-term results. If you only bet +EV, you'll profit over time regardless of short-term variance. Our EV calculator shows you exactly where you stand on any bet.

The Bet Tracker: The Habit That Separates Winners from Losers

Most bettors think they're winning. Very few actually track the numbers. A disciplined bet log forces honest accounting: your true win rate, true ROI by sport, true profit by bookmaker. The OddsProbe tracker stores everything locally β€” no server, no account, completely private β€” and calculates running statistics automatically. The CSV export means your data is always safe and portable.

Arbitrage in 2026: Still Profitable, Harder to Find

True arbs are rare and close fast β€” usually within minutes of appearing. But for bettors who line-shop across multiple books, they appear regularly. Our arb calculator now supports 3-way markets (Home / Draw / Away) which is essential for EPL, La Liga, and Champions League betting. When an arb exists, it shows exact stakes for a guaranteed profit regardless of result.

Frequently Asked Questions

What tools does OddsProbe include? +
10 free tools: AI analyst, EV & Kelly calculator, odds converter, vig calculator, bet tracker with CSV export, arbitrage calculator (2-way and 3-way markets), hedge calculator, injury impact calculator, alternate lines calculator, and prop simulator with 10,000 Monte Carlo simulations. Plus parlay calculator and full betting glossary on separate pages.
Is the bet tracker private? +
Yes. Your bet log is stored entirely in your browser's localStorage β€” no server, no account, no data transmitted anywhere. Only you can see it. Use the "Export CSV" button regularly to keep a backup, since clearing your browser data will erase localStorage.
Does the arb calculator work for soccer? +
Yes. Select "3-way market" in the arbitrage calculator to add a third outcome (Draw). This covers all EPL, La Liga, Champions League, and other soccer markets where Home, Draw, and Away are separate betting options.
What is the Kelly Criterion? +
Kelly Criterion is a formula that calculates the optimal percentage of your bankroll to bet based on your estimated edge and the available odds. Half Kelly (betting half the suggested amount) is the professional standard β€” it reduces variance while retaining most of the growth benefit.
Does OddsProbe store my data? +
No. All calculators run in your browser. The bet tracker uses localStorage β€” local to your device only. AI chat messages go directly to Google's Gemini API using your own API key. OddsProbe never stores, transmits, or sees any of your data.

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