One place. One goal:
Dominate.
Every dynasty league you manage, in one dashboard — priced, simulated, and traded.
Chat direct with Brandon, Dad, Snoog & The Lineup — questions and advice answered dailyQuestions and advice answered daily
Get your roster reviewed by some of the best analysts in the game
Pick a creator, tell us about your league, and get a full breakdown of your roster — strengths, weaknesses, and the moves to make next. Delivered in a private chat where you can ask follow‑up questions.
- No sign-up — check out as a guest in under a minute
- Answered by a real person, not a bot
- Trade questions from $1.49 · full roster reviews $52.50
Roster reviews, trade questions, live draft help & more
See a trade's true cost — before you accept
Players and rookie picks, valued for your league — superflex, TE premium, PPR, league size — with consolidation logic that judges 2-for-1s the way sharp dynasty managers do.
And it goes past the value verdict: Trade Impact simulates your season 1,000 times and shows exactly how the deal moves your playoff and championship odds — for both teams — before you hit accept.
Explore the trade calculatorTrades found for you
The trade finder scans every roster in your league, matches your surplus to their needs, and drafts fair offers the other manager can actually accept — across all of your leagues at once.
Explore the trade finderRankings that match the market
Dynasty, redraft, and contender boards with tiers and position breakdowns — generated from the same live values as the trade tools, so your board and your trades never disagree.
Explore the rankingsKnow your real playoff odds
We play out your season 1,000 times — with your league's actual rosters, your real week-by-week schedule, and your playoff format — to show exactly where every team stands: projected record, playoff odds, first-round bye, and championship chances.
Contend or rebuild — decide with numbers, not vibes.
Explore the season simulatorUp and running in a minute
1. Connect Sleeper
Just your username — no password. Every league imports automatically.
2. See your portfolio
All your teams ranked in one view, with strengths, holes, and windows.
3. Dominate your trades
Price deals, find partners, and check your playoff odds before you move.
Frequently asked questions
Is Smash Accept free?+
Creating an account is free, and connecting your Sleeper leagues takes seconds. Advanced tools are part of paid plans — see pricing for what's included.
Which platforms are supported?+
Sleeper is fully supported — no password needed, just your username. ESPN leagues work too: paste your league ID or URL and it imports (public leagues today). More platforms are on the way.
What makes it different from other trade calculators?+
The portfolio angle: cross-league tools like the trade finder and season simulator work across every league you manage, and all of it runs on one live value engine so nothing disagrees.
Does it work on my phone?+
Yes — the whole site is built mobile-first, including connecting Sleeper and hunting trades from your phone.