invoice2data

Overview

invoice2data is a free, open-source command-line tool and Python library for turning PDF invoices into structured accounting data. It suits developers and teams comfortable configuring an extraction workflow; its flexibility is the draw, while its template-based approach makes it a poor fit for buyers seeking a ready-made invoice service.

Key features

Users can extract PDF text with selectable backends including pdfium, pdftotext, pdfminer and pdfplumber, or use OCR tools. YAML or JSON templates define the fields to capture and can apply multiple regular expressions to each field. This offers control over different invoice layouts, but requires users to create and maintain the rules that make extraction work.

The command-line tool exports results as CSV, JSON or XML and can rename PDFs according to their contents. Optional plugins handle invoice line items and tables, including an opt-in Camelot plugin for advanced table parsing. That makes the tool more useful when accounting workflows need structured line-level data, though the extra capabilities depend on selecting and configuring plugins.

Optional AI features can draft templates from sample invoices or extract fields when templates do not match. Providers include OpenAI, DeepSeek, Mistral, Gemini and Ollama. No AI runs until a provider is configured; the default is a mock with no network access. Ollama can run locally, as can the docTR and PaddleOCR OCR backends described in the installation guide. These local options matter for sensitive documents, while configuring a third-party AI provider means choosing a workflow beyond the default.

Installation is available through pip or conda, and the default pdfium path needs no system libraries on Windows, macOS or Linux. The project is published under the MIT License, which permits use, modification, distribution, sublicensing and sale subject to its conditions. Its README names an Odoo OCA module as a user. The repository welcomes issues and pull requests, but does not describe a paid support plan; its GitHub security page says no SECURITY.md policy is set up and no advisories are published.

Pricing

invoice2data costs nothing, with no paid tiers or usage limits stated. The free, MIT-licensed software is the only plan, so there is no paid level to add service or capacity. This is attractive for teams able to manage their own setup, but buyers who want a packaged service should compare commercial alternatives.

Platforms

invoice2data supports Linux, macOS and Windows, and can be self-hosted. Its command-line and Python-library format favors users who can incorporate software into their own environment rather than those looking for a turnkey app.

Who it's for

It is a strong fit for developers and accounting teams that want to define invoice fields, choose text or OCR backends, and control how extracted data is exported. It is less suitable for workflows centered on non-invoice documents: canonical schemas for waybills, delivery notes and purchase orders are deferred. Teams that depend on an established security policy or paid support should weigh that gap before adopting it.

Pros and cons

• Pros: Free, open-source software with no stated usage limits, plus multiple extraction backends and CSV, JSON and XML exports.
• Pros: Optional table and line-item tools, configurable templates, and local OCR or Ollama options give technical users control over both extraction and data handling.
• Cons: Template-driven extraction puts the work of defining and maintaining invoice rules on the user.
• Cons: Non-invoice canonical schemas are deferred, and the repository has no SECURITY.md policy or published security advisories.

Alternatives

Veryfi Invoices OCR API is worth considering when a hosted API across Android, iOS and web is preferable to managing an open-source tool. Its Starter plan is $500 a month, billed at a $500/mo minimum commitment, with invoices at $0.16 each and a 15-page maximum per transaction.

Parseur may suit teams that want a web and API service with a free allowance of up to 20 pages per month, one user and 90-day document retention. Its free plan also includes unlimited mailboxes and extracted fields.

Invofox offers an alternative for users who need a REST API and pre-trained models across invoices, receipts, utility bills, tickets and payslips. Its free plan includes 500 pages and community support, with API, web and self-hosted platforms.

Nanonets Invoice OCR is another API and self-hosted option, with a free Starter entry that begins with $50 in credits and then charges $100/month for 100 credits.

DocuClipper Invoice Approval is a paid alternative for teams seeking an invoice approval product with API access; its Starter plan is $20 a month when billed annually and includes 60 pages/month and unlimited users.

Tungsten Power PDF is a paid PDF editor for Windows, macOS, web, Android and iOS users who need PDF creation, editing and conversion.

ABBYY FlexiCapture for Invoices is another invoice-focused option, available through a demo and contact with ABBYY.

Datamolino is a paid option for teams seeking bill and receipt processing with approvals; its Start plan costs £17 a month, excluding VAT, for 100 bills and receipts per month, one company and unlimited users.

Browse more options in Invoice Processing Software and Invoice OCR Software.

Verdict

Choose invoice2data if you want a free, self-hostable invoice extraction tool that lets your team control templates, backends and output formats. Its main advantage is that flexibility without a stated usage cap; look elsewhere if you need turnkey workflows for varied document types, a published security policy or paid support.