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Free tools

Free NBA and NFL betting tools

Everything here is free with no account. Model picks, not promises.

Bet slip checker (Slip Surgery)
Screenshot any slip: legs checked against FanDuel and BetMGM, weakest leg found, one-tap load.
Parlay odds calculator
Payout, implied probability, no-vig fair odds and the book's margin for 2 to 12 legs.
Defense vs position
Which NFL and NBA defenses give up the most to each position.
+500 / +1000 Hunter
Cross-game long shots where our model rates every leg better than the price.
Every-Quarter Scorers (NBA)
Tonight's players ranked by how often they score 3+ points in every quarter, plus team 100+ through 3 quarters.
Every Quarter Bets (NBA)
Tonight's FanDuel each-quarter bets (3+ and 5+ points each quarter, winning every quarter, quarter totals) rated by how often they hit.
NBA bet rule changes (Oct 16, 2026)
Plain-language guide: the first-of, opening-tip and same-player under bets the NBA asked partner sportsbooks to stop offering.
NBA player props tonight
Per-game FanDuel lines, model leans and matchup notes.
NFL player props
Per-game FanDuel lines, model leans and matchup notes.
Floor-line board (NEW)
Tonight's FanDuel lines each player cleared in 8+ of his last 10, with medians, minutes, spread and total.
Player stat search (NEW)
Any active NBA or NFL player: last 5 / last 10 hit rates on common lines, medians and game logs.

Scorer data

NBA first-basket rule change
What changed for first-basket bets, and which of our tools still help.
Anytime TD Scorer (NFL)
How often each player scores a TD, his last 5 games and red-zone share, with FanDuel and BetMGM prices.
First TD Scorer (NFL)
Each player's share of his team's first touchdowns, plus a 32-team table.
NBA opening-tip rule change
Opening-tip bets are on the NBA’s list. What that means for you.

Guides

How to check a parlay before you betHow to fix a parlay with a bad legSame game parlay correlation, explainedHow to read prop odds and implied probabilityWhat is the vig? Finding no-vig fair odds on propsHow many legs should a parlay have?How to load a slip into FanDuel or BetMGM in one tap

Model picks, not promises. No checker can tell you a slip will win; it can only show you the price, the math and what changed. 21+ only. If betting stops being fun, call 1-800-GAMBLER or read our responsible gaming page.