Hi HN, I made a simple single-page tool that computes portfolios return / performance (TWR and XIRR), gross and net of fees and tax. It requires logging all transactions. It's client-side, with no accounts, and data lives in the browser localStorage. It started as a personal tool . I wanted a way to understand what was the return of my portfolio and of a tenanted rental property (XIRR). The experimental part is an import: you upload a broker's trade notice PDF and an LLM proposes one ledger row,...