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Marker

Extensible document-to-Markdown and structured-output conversion with optional LLM-assisted refinement.

40,158 stars

Overview

Research summary

Marker converts PDFs and other supported document formats into structured outputs suitable for indexing and downstream processing. It combines layout and text extraction with formatting logic for tables, equations, references, code and images, and can optionally use language models to improve conversion. Developers can invoke command-line workflows or extend the Python processing pipeline with custom behavior; the repository also documents serving options.

It is useful for document ingestion and knowledge pipelines that need more structure than a plain text dump. Code is Apache-2.0, while the distributed model weights use a modified OpenRAIL-M license with commercial limits.

Repository summary

Stars
40,158
Open issues
Unavailable
Last push
2026-09-13
Commits, 90 days
Unavailable
Repository activity
Not scored
Version
Unavailable

Recorded catalogue figures. View repository data and provenance →

Classification

Pricing & services

Paid services available

The provider offers paid products or services. Free options may also be available.

View pricing & services ↗

Commercial offering checked 2026-10-02.

Licence scope

Code:Apache-2.0Model weights:ModifiedAIPubsOpenRAIL-M

Model weights include commercial eligibility limits; the code license does not cover all deployed assets.

Implementation

Recorded implementation details and interfaces for Marker.

Implementation details

Python document conversion pipeline using Surya and optional LLM providers

Languages
Python
Repository type
source

Recorded interfaces and capabilities

Licence scope

Code:Apache-2.0Model weights:ModifiedAIPubsOpenRAIL-M

Model weights include commercial eligibility limits; the code license does not cover all deployed assets.

Repository

Repository snapshots, release information and recorded maintenance signals.

Repository snapshot

datalab-to/marker ↗

Stars
40,158
Open issues
Unavailable
Last push
2026-09-13
Commits, 90 days
Unavailable
Repository activity
Not scored
Archived
Not recorded

Repository activity is a snapshot, not a quality or popularity ranking. It combines recent-push freshness (50%), 90-day commits (30%) and issue pressure (20%).

Maintenance and provenance

Catalogue snapshot
2026-10-06
Stars source
Recorded fallback
Last push source
Recorded fallback

Documentation

Recorded references and research provenance for this entry.

Recorded sources 5

Research metadata

Research date
2026-10-02
Catalogue snapshot
2026-10-06

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