
Differy
A simple PDF-Analysis platform for complex usecases.
What it does
Differy is the PDF analysis platform you've always dreamed for. Easy to setup and to use. You can customize it, use it from the interface or the API, and tackle any usecase you wished other OCR companies would take care of
Does a similar job
all alternatives →- PDPDF Differ2023 · pdfdiffer.com · ▲62
- PDPDF-Diff - Visualize any differences between two PDFs2022 · github.com · ▲169
- OPOcrbase – pdf → .md/.json document OCR and structured extraction APIJan 2026 · github.com · ▲99
- PTPDF to MD by LLMs – Extract Text/Tables/Image Descriptives by GPT4o2024 · github.com · ▲191
I've developed a Python API service that uses GPT-4o for OCR on PDFs. It features parallel processing and batch handling for improved performance. Not only does it convert PDF to markdown, but it also describes the images within the PDF using captions like `[Image: This picture shows 4 people waving]`. In testing with NASA's Apollo 17 flight documents, it successfully converted complex, multi-oriented pages into well-structured Markdown. The project is open-source and available on GitHub. Feedback is welcome.


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