Developer builds privacy-first budget app that stores all data locally in your browser

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A developer has launched Allot, a browser-based envelope budgeting app designed so that users' financial data never leaves their own device. All data is stored locally using IndexedDB, with no user accounts, no server-side database, and no recurring subscription fees beyond a one-time license. The project was motivated by privacy concerns with existing budgeting tools and the 2024 shutdown of Mint, which left millions of users unable to access their own financial history. Optional sync is available but uses end-to-end encryption, meaning only ciphertext is ever transmitted or stored externally. Built with vanilla JavaScript and hosted on Cloudflare Pages, the app supports manual bank statement imports across multiple file formats, including a custom-written parser for Excel 97-2003 binary files.

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