Overview
MarkItDown turns paths, URIs, streams, documents, archives, and media into structure-aware Markdown for LLM and text-analysis workflows. The series follows how identity clues and converter priorities select an interpretation; how HTML, Office formats, spreadsheets, PDFs, containers, OCR, and transcripts preserve or project away relationships; and how plugins and Azure backends widen the boundary. It treats deployment as an ownership problem: callers must control access, resources, external data flow, provenance, and verification. The result is useful normalization, not a lossless copy, universal parser, quality guarantee, or security policy.
Learning outcomes
- MarkItDown is most useful as a structure-aware Markdown projection, not a lossless copy of the source.
- Dispatch combines source hints, content clues, converter priority, and fallback behavior; success does not prove semantic correctness.
- Local converters, plugins, OCR, and Azure backends trade coverage and structure against dependencies, data movement, cost, and control.
- Callers must authorize inputs, bound resources, preserve provenance, and verify critical output against the original.
Keywords
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PlansFAQ
What is MarkItDown best used for?
MarkItDown is best used to create a common, structure-aware Markdown representation for LLM and text-analysis workflows. It is not a lossless visual-document converter.
Does MarkItDown preserve a document’s original layout?
No. MarkItDown preserves selected reading structure, such as headings, links, rows, and slide order, but may omit page geometry, visual cues, animation, and application behavior.
How does MarkItDown decide which converter to use?
It combines source metadata with content and encoding clues, retains competing guesses when needed, and tries converters by priority while rewinding the stream between attempts. A successful result still does not prove semantic correctness.
When should a workflow add plugins, OCR, or Azure backends?
Add them when a demonstrated local gap requires their extra coverage or structure and the workload accepts the added dependencies, trust, data movement, cost, or latency. Verify the resulting Markdown against the task and source.
Is MarkItDown a security boundary?
No. MarkItDown reads with the current process’s privileges; callers must restrict paths, URI schemes, destinations, and resources, and secure any exposed interface. Keep critical source material available for verification.