ReceiptDesk: a receipt sorter for freelancers that never uploads a single receipt
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle What I Built <!-- What does it do, and who would pay for it? What problem does it solve for them? -->Every quarter, freelancers dig through a folder of blurry receipt photos and PDF invoices to work out what they spent and what they can deduct. It's tedious, and the paperwork is full of client names, amounts,…
ReceiptDesk is an open-source AI tool designed to help freelancers and small studios organize their receipts and invoices without ever uploading any sensitive data to the cloud. The app works by extracting key details like vendor, date, total amount, tax, and currency from scanned receipts and invoices. It then categorizes the expenses (software, travel, equipment, meals, etc.), flags any missing information or duplicate entries, and exports a clean, ready-to-use CSV file for accountants.
To build ReceiptDesk, the developer utilized Gemma, an open-weight model running locally through Ollama. The OCR pipeline processes the image input, the model generates structured JSON output, which is then validated against a schema to ensure accuracy. Any data that fails validation is flagged for manual review, preventing the app from making guesses with potentially incorrect information. The entire stack is built using language, a UI framework, and local storage on the user's machine.
One of the major advantages of ReceiptDesk is privacy. By performing all processing locally, the app ensures that no personal data ever leaves the user's computer. This is particularly important for freelancers who handle sensitive financial information related to their clients. Additionally, the app offers a cost-effective solution, with no recurring fees or per-document charges. Users can pay a one-time fee or a cheap yearly license, which still leaves the developer with a profitable margin.
The open-source nature of ReceiptDesk also allows for easy customization and specialization. If a better open model becomes available, users can simply update a single configuration line to leverage the new technology. This flexibility, combined with the absence of vendor lock-in, makes ReceiptDesk a compelling choice for freelancers and small businesses looking for an efficient, secure, and customizable receipt management solution.
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