MinerU

High-quality PDF to Markdown and JSON converter for developers.

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Rising

License

Open Source

Data freshness

Verified · Jul 16, 2026

Overview

What is MinerU?

MinerU is a powerful tool designed to convert PDF documents into easily readable and editable formats like Markdown and JSON, streamlining documentation management and content extraction processes.

Key differentiator

MinerU stands out by offering high-quality PDF to Markdown and JSON conversions with customizable output options, making it ideal for developers and data scientists who require precise content extraction from complex documents.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

High-quality conversion from PDF to Markdown and JSON formats.medium

Support for complex document structures including tables, images, and footnotes.medium

Customizable output options for fine-tuned content extraction.medium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited support for certain PDF featureshigh

Complex PDF elements like embedded fonts and custom page layouts may not convert accurately

Performance issues with large or highly formatted PDFsmedium

Conversion times increase exponentially with the complexity of input documents

Fit analysis

Who is it for?

✓ Best for

Developers who need to convert technical documentation into more accessible and editable formats like Markdown and JSON.

Data scientists looking for a tool that can extract structured data from PDFs with high accuracy.

Teams working on digital libraries or archives where content needs to be converted from PDF to other formats.

✕ Not a fit for

Users who require real-time conversion capabilities as MinerU is designed for batch processing.

Projects that need support for languages other than Python, as MinerU currently only supports Python.

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with MinerU

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →