Free tools

They run entirely in your browser. Nothing you type is sent anywhere.

• Free Rental Property Calculator: Cash Flow, Cap Rate, Cash-on-Cash, DSCR

  Instant rental deal math in your browser: monthly cash flow, NOI, cap rate, cash-on-cash return, DSCR, GRM, 1% rule and break-even occupancy.

• Free IRS Mileage Deduction Calculator (2026)

  Business, medical and charity standard mileage rates for 2026, including the mid-year business rate change (72.5¢ → 76¢ on July 1). Trip or full-year mode. Runs in your browser.

• n8n Docker Compose Generator (Postgres + HTTPS)

  Generate a production docker-compose.yml, .env with a strong encryption key, and Caddyfile for self-hosting n8n 2.x. Runs entirely in your browser.

• n8n Workflow Checker: Pasted Secrets, Open Webhooks, Silent Failures

  Paste an n8n workflow JSON to find pasted API keys, webhooks without auth, missing error workflows, swallowed errors and pinned data. Runs in your browser.

• Bank CSV Categorizer for Schedule E and Schedule C

  Turn a bank or card CSV into categorized rows for landlord (Schedule E) or freelancer (Schedule C) spreadsheets. Runs in your browser; nothing is uploaded.

Pro (paid download, free demo)

• Rental Property Calculator Pro: Free Demo (10-Year Projection, IRR & Max Offer Price)

  See Pro's 10-year projection, IRR, equity multiple, max offer price and deal comparison on 3 sample deals. The full calculator is a $12 download that runs offline in your browser. $12 one-time.