--- title: "opendataloader-pdf vs TaxHacker" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/opendataloader-project-opendataloader-pdf-vs-vas3k-taxhacker" tools: ["opendataloader-project-opendataloader-pdf", "vas3k-taxhacker"] --- # opendataloader-pdf vs TaxHacker *GraphCanon updated Sep 20, 2026* ## Verdict Pick opendataloader-pdf if opendataloader-pdf is an open-source PDF parsing library in Java that transforms PDFs into AI-ready data by supporting OCR recognition, bounding box generation, and table extraction; pick TaxHacker if self-hosted AI app for receipt and invoice analysis with LLM support. [opendataloader-pdf](https://opendataloader.org) reports 29k GitHub stars, 2.7k forks, and 82 open issues, last pushed Aug 18, 2026. [TaxHacker](https://taxhacker.app) has 6.7k stars, 1.1k forks, and 42 open issues, last pushed Sep 14, 2026. Figures are from public GitHub metadata via [opendataloader-pdf's repository](https://github.com/opendataloader-project/opendataloader-pdf) and [TaxHacker's repository](https://github.com/vas3k/TaxHacker). | | [opendataloader-pdf](/tools/opendataloader-project-opendataloader-pdf.md) | [TaxHacker](/tools/vas3k-taxhacker.md) | | --- | --- | --- | | Tagline | PDF Parser for AI-ready data | Self-hosted AI accounting app with LLM analysis for receipts and invoices | | Stars | 28,528 | 6,714 | | Forks | 2,724 | 1,093 | | Open issues | 82 | 42 | | Language | Java | TypeScript | | Adopt for | Opendataloader-pdf is an open-source PDF parsing library in Java that transforms PDFs into AI-ready data by supporting OCR recognition, bounding box generation, and table extraction. | Self-hosted AI app for receipt and invoice analysis with LLM support. | | Persona | - | - | | Runtime | - | - | | License | Opendataloader-pdf uses Apache License 2.0, making it a fully permissive license that allows easy integration into commercial projects without copyleft obligations. Prior to version 2.0, the tool was | MIT | | Categories | Data & Retrieval, Model Training | Data & Retrieval, LLM Frameworks, Model Training | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [opendataloader-pdf](/tools/opendataloader-project-opendataloader-pdf.md) | [TaxHacker](/tools/vas3k-taxhacker.md) | | --- | --- | --- | | Days since push | 0d | 5d | | Open issues (now) | 82 | 42 | | Stars delta | +1.1k (30d) | +108 (30d) | | Open issues delta | +8 (30d) | +3 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/opendataloader-project-opendataloader-pdf/trust.md) | [trust report](/tools/vas3k-taxhacker/trust.md) | ## Decision facts: opendataloader-pdf - **Adopt for:** Opendataloader-pdf is an open-source PDF parsing library in Java that transforms PDFs into AI-ready data by supporting OCR recognition, bounding box generation, and table extraction. - **License detail:** Opendataloader-pdf uses Apache License 2.0, making it a fully permissive license that allows easy integration into commercial projects without copyleft obligations. Prior to version 2.0, the tool was ## Decision facts: TaxHacker - **Pricing:** freemium - Free open-source MIT-licensed solution but may involve costs for server hosting and third-party API usage like OpenAI. - **Requirements:** Min 2 GB RAM; Requires Docker; Self-hosted setup requires Docker and PostgreSQL database. - **Adopt for:** Self-hosted AI app for receipt and invoice analysis with LLM support. ## Choose when ### Choose opendataloader-pdf if… - opendataloader-pdf is primarily Java; TaxHacker is TypeScript. - License: opendataloader-pdf is Apache-2.0, TaxHacker is MIT. - Tags unique to opendataloader-pdf: a11y, accessibility, ai, bounding-box. - - **You require precise control:** Opendataloader-pdf offers detailed features such as bounding box generation and table extraction, which can be crucial when you need precise data positioning from un ### Choose TaxHacker if… - TaxHacker is primarily TypeScript; opendataloader-pdf is Java. - License: TaxHacker is MIT, opendataloader-pdf is Apache-2.0. - Pricing: Free open-source MIT-licensed solution but may involve costs for server hosting and third-party API usage like OpenAI.. - Requirements: Min 2 GB RAM; Requires Docker; Self-hosted setup requires Docker and PostgreSQL database.. - Tags unique to TaxHacker: accounting, ai-analysis, currency-exchange, expenses. - Also covers LLM Frameworks. - TaxHacker ships Docker support for self-hosted deployment. - You need full control over data in your accounting system, enabling compliance and security requirements. ## When NOT to use opendataloader-pdf - - **Non-Java Environment:** Since the tool is primarily developed in Java, it might not be suitable if your primary development environment or application is built around another language. ## When NOT to use TaxHacker - If you prefer cloud-hosted solutions with minimal setup time and maintenance effort. - When you lack the infrastructure or expertise to manage a self-hosted application, including database management and Docker orchestration. - You do not require the level of customization that TaxHacker offers, as simpler alternatives exist. ## Common questions ### What is the difference between opendataloader-pdf and TaxHacker? opendataloader-pdf: PDF Parser for AI-ready data. TaxHacker: Self-hosted AI accounting app with LLM analysis for receipts and invoices. See the comparison table for live GitHub stats and shared categories. ### When should I choose opendataloader-pdf over TaxHacker? Choose opendataloader-pdf over TaxHacker when opendataloader-pdf is primarily Java; TaxHacker is TypeScript; License: opendataloader-pdf is Apache-2.0, TaxHacker is MIT; Tags unique to opendataloader-pdf: a11y, accessibility, ai, bounding-box; - **You require precise control:** Opendataloader-pdf offers detailed features such as bounding box generation and table extraction, which can be crucial when you need precise data positioning from un. ### When should I choose TaxHacker over opendataloader-pdf? Choose TaxHacker over opendataloader-pdf when TaxHacker is primarily TypeScript; opendataloader-pdf is Java; License: TaxHacker is MIT, opendataloader-pdf is Apache-2.0; Pricing: Free open-source MIT-licensed solution but may involve costs for server hosting and third-party API usage like OpenAI.; Requirements: Min 2 GB RAM; Requires Docker; Self-hosted setup requires Docker and PostgreSQL database.; Tags unique to TaxHacker: accounting, ai-analysis, currency-exchange, expenses; Also covers LLM Frameworks; TaxHacker ships Docker support for self-hosted deployment; You need full control over data in your accounting system, enabling compliance and security requirements. ### When should I avoid opendataloader-pdf? - **Non-Java Environment:** Since the tool is primarily developed in Java, it might not be suitable if your primary development environment or application is built around another language. ### When should I avoid TaxHacker? If you prefer cloud-hosted solutions with minimal setup time and maintenance effort. When you lack the infrastructure or expertise to manage a self-hosted application, including database management and Docker orchestration. You do not require the level of customization that TaxHacker offers, as simpler alternatives exist. ### Is opendataloader-pdf or TaxHacker more popular on GitHub? opendataloader-pdf has more GitHub stars (28,528 vs 6,714). Stars measure visibility, not whether either tool fits your constraints. ### Are opendataloader-pdf and TaxHacker open source? Yes - both are open-source projects on GitHub (opendataloader-pdf: Apache-2.0, TaxHacker: MIT). ### Where can I find alternatives to opendataloader-pdf or TaxHacker? GraphCanon lists graph-backed alternatives at [opendataloader-pdf alternatives](/tools/opendataloader-project-opendataloader-pdf/alternatives) and [TaxHacker alternatives](/tools/vas3k-taxhacker/alternatives) ([opendataloader-pdf markdown twin](/tools/opendataloader-project-opendataloader-pdf/alternatives.md), [TaxHacker markdown twin](/tools/vas3k-taxhacker/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/opendataloader-project-opendataloader-pdf-vs-vas3k-taxhacker.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, opendataloader-pdf or TaxHacker? opendataloader-pdf: Very active. TaxHacker: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for opendataloader-pdf and TaxHacker? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [opendataloader-pdf trust report](/tools/opendataloader-project-opendataloader-pdf/trust); [TaxHacker trust report](/tools/vas3k-taxhacker/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=opendataloader-project-opendataloader-pdf`](/api/graphcanon/graph?tool=opendataloader-project-opendataloader-pdf) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_