Docling Serve, the document conversion API that turns PDFs, office files and web pages into clean structured Markdown and JSON with layout and table understanding, secured from first boot by cloudimg.
Docling Serve is the HTTP API service around Docling, an open source document conversion toolkit. It converts PDF, DOCX, PPTX, HTML and image documents into well structured Markdown or JSON, using machine learning models that understand page layout and reconstruct tables, so headings, paragraphs, lists and tabular data survive the conversion instead of collapsing into a wall of text. Applications POST a document to the API and receive back structured content ready to index, chunk for retrieval augmented generation, feed to a language model or store, and an interactive playground and OpenAPI docs are built in.
It suits teams building search, retrieval augmented generation and document processing pipelines who need a self hosted, private conversion service they run inside their own cloud account, so sensitive documents are parsed on infrastructure they control rather than sent to a third party service.
cloudimg delivers Docling Serve secure by default: the API ships with no authentication of its own, so the service is bound to loopback and fronted by a reverse proxy with HTTP Basic Auth whose password is generated uniquely on the first boot of every instance and written to a root only file, with no default login surviving into the image. The layout, table structure and OCR models are baked into the image with their licences verified against the artifacts themselves, so both text based documents and scanned or image only documents convert fully offline the moment the instance boots, with the service pinned to offline mode so it never reaches out during a conversion. It is CPU only with no GPU required, hardened and fully patched with unattended security upgrades enabled, and the build proves a real document conversion round trip end to end. Every deployment is paired with a step by step deploy guide and backed by 24/7 cloudimg support.
Real screenshots taken while testing this image against its deployment guide.