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CAPPERSUNITE

Free tools for sports bettors — no signup, nothing to buy.

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ParlayLabFeatured

Is your parlay price actually good?

Compare your odds across books.

OPEN TOOL
Bankroll.Free tool

Are you actually winning long-term?

Track your units and ROI automatically.

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CloserFree tool

Are you beating the closing line?

The signal that predicts long-term profit.

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LineReaderFree tool

What do these odds actually mean?

Convert any odds and see the real chance.

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FairLineFree tool

How much is the book taking?

Strip out the vig and see fair odds.

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EdgeSizeFree tool

How much should you actually bet?

Kelly sizing checked against your own record.

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Hedge CalcFree tool

How much do you bet to lock in a profit?

Hedge a live bet and guarantee your payout.

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Round RobinFree tool

What if a couple of legs miss?

Build every parlay combo and grade it live.

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Prop CompareFree tool

Which book has the best price on this prop?

Compare a prop across books and share the best price.

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Worth checking today

A running units log takes 10 seconds per bet and tells you more than any single week ever will.

Open Bankroll.

Every tool here is free to use.

18+ · Please gamble responsibly. Need help? Call the National Council on Problem Gambling at 1-800-522-4700.

How to hedge a bet →Round robin vs parlay →Bankroll management 101 →What is closing line value? →How vig actually works →Why win rate lies to you →What is the Kelly Criterion? →How to read a parlay payout →What is expected value (EV)? →Moneyline vs spread vs total →How to use ParlayLab →How to use Bankroll Tracker →How to use Closer →How to use LineReader →How to use FairLine →How to use EdgeSize →How to use the Hedge Calculator →How to use the Round Robin Builder →How to use Prop Compare →
Also check out QuickKit — free everyday tools →
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Free tools for sports bettors

Know if you actually
have an edge.

Check your prices, track your bankroll, and measure closing line value — no signup, nothing to buy.

What are you trying to do?