Tools for thinking straight.
Untilt builds small, free tools that catch the errors your reasoning hides from you — in the decisions you make, and in the arguments you read.
No account. No cookies. No personal data.
The tools
Doxa
Walk a decision through the cognitive biases most likely to be skewing it — on your own, or with an AI-guided pass. Backed by a searchable bias library.
Open DoxaElenchus
Paste any text and see how its reasoning holds up: logical flaws, a reasoning score, and what it does well. It does not check facts.