Verified project record

vas3k/TaxHacker

This project automates receipt and invoice data extraction using AI, with multi-currency conversion and self-hosted data control for freelancers and small businesses. It remains in early development and depends on external or local LLMs for OCR accuracy.

Project overview

Project type: Workflow · Model Runtime · Document Processing
Use cases: Documents & Office
Deployment: Refer to project documentation
License: MIT

Best for

Freelancers and small businesses needing to automate manual tracking of expenses and income.
Users requiring multi-currency conversion, including support for cryptocurrencies, with self-hosted data ownership.

Key capabilities

Automatically recognizes, extracts, categorizes, and stores key information like dates, amounts, vendors, and line items from uploaded photos or PDFs.
Automatically detects currencies and converts them to a base currency using historical exchange rates, including support for 170+ world currencies and 14 popular cryptocurrencies.
Allows configuring a local LLM OpenAI-compatible API endpoint for AI processing.
Adapt to unique needs with unlimited custom fields, projects, and categories for transactions.
Take full control of AI processing by writing custom prompts for fields, categories, and projects, or modifying built-in ones.
View, filter, and export complete transaction history to CSV with attached documents for tax-ready reports.
Provides local storage and self-hosting options to maintain complete control over financial data without vendor lock-in.
Handles processing of invoice PDFs using Ghostscript and GraphicsMagick.

Limitations and risks

This project is still in early development and should be used at your own risk.
Results are not guaranteed if using a local LLM, depending on the model's OCR task capabilities.
Only you are responsible for the quality and privacy of your data when using external LLMs.

Getting started

Download the docker-compose.yml file and run docker compose up. The web GUI will be accessible at localhost:7331.

Evidence and sources

GitHub project description: Self-hosted AI accounting app. LLM analyzer for receipts, invoices, transactions with custom prompts and categories
README: This project is still in early development. Use at your own risk! **Star us** to get notified about new features and bugfixes ⭐️
README: TaxHacker is a self-hosted accounting app designed for freelancers, indie-hackers, and small businesses who want to save time and automate expense and income tracking using the po…
README: Upload photos of receipts, invoices, or PDFs, and TaxHacker will automatically recognize and extract all the important data you need for accounting: product names, amounts, items,…
README: AI data extraction: Use AI to automatically pull key information like dates, amounts, vendors, and line items

Reviewed at: 2026-07-15T16:05:34Z