ai-agent

opendataloader-pdf: Turn PDFs into AI‑ready data instantly

Name: opendataloader-pdf: Turn PDFs into AI‑ready data instantly
Author: opendataloader-project

Extract structured text, tables and metadata from PDFs with a Java library built for accessibility and AI pipelines. Ideal for founders building searchable or RAG‑powered products.

29,514 stars+58★ this week2,812 forksJavaGuide quality 9/10 · reviewed Oct 5Updated 10/9/2026100% free · open source

What it does

Opendataloader-pdf extracts data from PDF files and converts it into a format that can be easily used for AI model training and other data-driven applications.

When to use it

•When you need to analyze data from PDF reports or documents
•When you want to automate data extraction from PDF files
•When you need to preprocess PDF data for machine learning model training

Ready-to-paste prompt

java -jar target/opendataloader-pdf.jar --input.file=path/to/example.pdf --output.format=csv

Heads up: The opendataloader-pdf project requires Java 11 or higher to be installed on the system, and the Maven build tool must be configured correctly to build and run the application

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/opendataloader-pdf && curl -fsSL https://workflowstacks.com/api/skills/opendataloader-pdf/claude-skill -o ~/.claude/skills/opendataloader-pdf/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How opendataloader-pdf: Turn PDFs into AI‑ready data instantly works

Codeflow

Free to inspect

Opendataloader-pdf: Turn PDFs into AI‑ready data instantly is a large Java project (~31k lines across 145 code files, plus 77 test files). It is a full software project: use it through its install path rather than reading it end to end. Last commit this month, Apache-2.0 license, has a test suite.

Size

Large codebase

~31k lines · 145 code files · ~4 h to skim

Setup

Developer setup

A real software project. Use it via its install path; don't expect to read it all.

Runs on

Node.js

No API keys detected

Java 80%Python 14%TypeScript 3%Shell 2%JavaScript 2%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
CLAUDE.md
The instructions the AI actually follows
3
package.json
Dependencies and the commands it exposes
4
skills/README.md
Inside skills/ — an example of what the AI is told to do
5
examples/python/batch/README.md
A worked example — copy this to get going

What's in each folder

skills/Prompts, skills & agent definitions17 files

samples/Examples you can copy27 files

examples/Examples you can copy7 files

java/Folder168 files

python/Folder28 files

node/Folder19 files

scripts/Helper scripts14 files

build-scripts/Folder2 files

READMEHas testsDocumentedCI checksExamples includedApache-2.0 licenseUpdated this month

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/opendataloader-pdf && curl -fsSL https://workflowstacks.com/api/skills/opendataloader-pdf/claude-skill -o ~/.claude/skills/opendataloader-pdf/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

opendataloader-project

Language

Java