Free Trading Tools

Professional-Grade Calculators

Every tool a prop firm trader needs — precise, free, and built for survival.

Drawdown Calculator

Calculate your survival probability, safe lot size, and remaining drawdown buffer. The tool that started it all.

Run 10,000 Monte Carlo simulations to find your real pass probability before risking real money on a challenge.

Upload your trade CSV and watch your equity curve replay against drawdown limits. See exactly where you nearly blew your account.

Calculate exact lot sizes for 19+ instruments including forex pairs, gold, indices, and crypto. Never over-leverage again.

Paste your daily P&L and instantly check compliance with firm-specific consistency rules. Supports 12 firms.

Log your trades, track P&L with charts, and monitor drawdown compliance in real-time. Your data stays in your browser.