Import Your League
Move league history, rosters, settings, and provider data from ESPN, Sleeper, Yahoo, NFL Fantasy, or MFL.
Contracts. Salary caps. AI tools. Imports. Built for commissioners.
Import your league from ESPN, Sleeper, Yahoo, NFL Fantasy, or MFL in minutes and run it exactly the way your league wants.
Everything you need to run a serious league without stitching together spreadsheets, chat apps, and manual workflows.
Move league history, rosters, settings, and provider data from ESPN, Sleeper, Yahoo, NFL Fantasy, or MFL.
Run real contract leagues with dead cap, extensions, rookie deals, luxury tax, and rollover rules.
Anti-tanking, custom scoring, roster enforcement, schedule editing, audit logs, and advanced league governance.
No rebuilding. No manual entry. No starting your league history over.
Keep your league. Upgrade the platform.
Start simple or build the kind of advanced league that mainstream platforms cannot support.
Skip the screenshots and jump straight into a live sandbox league with drafts, history, and commissioner tools already set up.
See Dynastr in a real working state instead of static screenshots. The demo includes teams, draft history, and the core league flow so you can explore immediately.
Create a sandbox league in one click and explore the product without setting anything up first.
Create Demo League Already have an account? Log inFeedback from fantasy commissioners exploring a better home for their leagues.
I love the app. I'd love to move my 10 year fantasy league into this.
The flexibility is fantastic and I love the layout.
Get leagues in the door for free, then charge for the advanced tools that save commissioners the most time.
Create your league in less than 60 seconds. No credit card required.