A property investment calculator built specifically for German tax law. Real Section 32a EStG tax brackets, AfA depreciation (linear, degressive, Section 7b, historic building), Soli and church tax, single vs shared-room rental modeling, a 30-year cashflow projection, and a portfolio planner toward a net worth goal. Paste a listing from ImmoScout and it auto-fills price, size, and rent. Runs 100 percent client-side.
A small tool that splits a master spreadsheet into multiple files based on a column, like store, client, or region. Runs entirely client-side using SheetJS and JSZip, nothing is ever uploaded to a server. Works with Excel and CSV files, outputs a ready-to-share zip. One-time purchase, no subscription, no account needed to use it.
A small tool that converts PDF tables (bank statements, invoices, reports) into Excel files. Runs entirely client-side using pdf.js and SheetJS, nothing is ever uploaded to a server. Works with text-based PDFs. One-time purchase, no subscription, no account needed to use it.