What is Docling?
IBM's open-source document parser that converts PDFs, Word, PowerPoint and images into structured Markdown or JSON — accurately capturing tables, layout and reading order. Docling is popular free tooling for preparing documents for AI and RAG.
Docling sits in the pdf category and is listed in the AIverse AI tools directory, where it holds an editorial rating of 4.6 out of 5 based on its capabilities, usability, value for money and reliability. It is developed by IBM, founded in 2024.
Docling features and use cases
People typically use Docling for Document to Markdown/JSON, RAG document prep, Table & layout extraction and Enterprise document AI.
It is often associated with Open Source, Document Parsing, PDF and RAG. Developers can integrate Docling into their own products through its API.
Docling pricing
Docling is completely free (Free / Open Source). You can use it without a subscription.
As with any AI tool, the right plan depends on how heavily you use it. We recommend trying Docling before committing to a paid plan.
Is Docling worth it? Our bottom line
Overall, Docling is a strong choice in the pdf category for 2026. Its standout strengths include Parses PDF, Word, PPT & images and Accurate tables & reading order. Bear in mind For developers and GPU speeds up big batches. If it matches your workflow, Docling is well worth a try — especially since you can start for free.