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MinerU vs Sejda

Side-by-side comparison of features, pricing, ratings, and alternatives.

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MinerU
MinerUTransforms complex documents into LLM-ready markdown/JSON for Agentic workflows.
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Sejda
SejdaWeb and desktop PDF editor for editing, merging, splitting, signing, and converting PDFs.
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Overview
Description

MinerU is a high-accuracy document parsing engine that converts PDF, DOCX, PPTX, XLSX, images, and web pages into structured Markdown/JSON. It features a VLM+OCR dual engine, supporting 109 languages, and native integration with LangChain, Dify, and FastGPT. The engine can handle scanned documents, handwriting, multi-column layouts, and cross-page table merging, with output following human reading order and automatic header/footer removal.

Sejda is a browser-based and desktop PDF toolkit offering more than 30 tools for editing, merging, splitting, compressing, and converting PDF documents without installing heavy software. It supports fill-and-sign workflows, password protection, OCR for scanned files, and batch operations like Bates numbering.

Pricing
Free
Freemium
Category
PDF Tools
PDF Tools
Best for
Developers, data scientists, and researchers working with document analysis and AI-powered workflows.
Individuals and small businesses needing quick PDF editing without a full desktop suite
Specifications
deployment
Self-hosted
Cloud/SaaS
open source
Yes
No
github stars
75,607
—
api available
Yes
No
support options
Community Support (Discord, WeChat, GitHub Issues)
Email support
primary language
Python
—
Pros & Cons
Pros
  • High-accuracy document parsing engine
  • Supports a wide range of document formats and languages
  • Native integration with popular AI frameworks and tools
  • Flexible deployment options, including zero-install web version and desktop client
  • Wide range of PDF tools in one place
  • No installation needed for the web version
  • Offline desktop app available for privacy-sensitive work
  • Files are deleted from servers after processing
Cons
  • May require significant computational resources for large documents or batch processing
  • Limited customization options for OCR model and processing pipeline
  • Dependent on quality of input documents for optimal parsing results
  • Free tier has strict page and hourly limits
  • Some advanced features require a paid plan
  • Desktop app requires a separate paid license from web access
Community & Metrics
Upvotes
0
0
User rating
Not enough data
Not enough data

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The Verdict

AI-generated from listing data

Sejda is a user‑friendly PDF editing suite with freemium limits, while MinerU is a free, open‑source AI‑focused document parser requiring self‑hosting.

Key differences

  • •Sejda offers interactive PDF editing, merging, signing; MinerU focuses on extracting structured data for LLM workflows.
  • •Sejda runs in the cloud or as a desktop app with paid licenses; MinerU is self‑hosted, open‑source, and free.
  • •MinerU provides a REST API, CLI, Docker, and LangChain integration; Sejda has no API.
  • •Sejda deletes processed files automatically for privacy; MinerU’s privacy depends on the buyer’s own hosting environment.
  • •Support: Sejda offers email support; MinerU relies on community channels (Discord, GitHub).
DimensionWinner

Pricing & value

MinerU is free and open‑source; Sejda’s free tier is limited and paid plans are required for advanced features.

MinerU

Ease of use / learning curve

Sejda provides a web UI and desktop app for point‑and‑click editing; MinerU requires self‑hosting and CLI/API knowledge.

Sejda

Features & depth

Sejda covers full PDF edit, merge, sign, OCR, encryption; MinerU focuses on document parsing and AI‑ready output.

Sejda

Integrations & ecosystem

MinerU offers native LangChain, Dify, FastGPT integrations and an API; Sejda has no API or third‑party integrations.

MinerU

Collaboration

Sejda’s web version allows multiple users to process files without installing software; MinerU is self‑hosted with no built‑in collaboration tools.

Sejda

Scalability

MinerU can be deployed on own servers, scaling with infrastructure; Sejda’s cloud limits are fixed by tier.

MinerU

Support

Sejda provides dedicated email support; MinerU relies on community forums and Discord.

Sejda

Security & privacy

MinerU runs on the buyer’s infrastructure, giving full control; Sejda deletes files after processing but still uses cloud servers.

MinerU

Choose MinerU if…

Developers or researchers needing automated, AI‑ready document extraction and willing to self‑host.

Choose Sejda if…

Individuals or SMBs needing quick, no‑code PDF editing, signing, and merging.

Common questions

Can I use Sejda for free without limits?

The free tier exists but has strict page and hourly limits; advanced features need a paid plan.

Does MinerU charge for API usage?

No, MinerU is free and open‑source; you host the API yourself.

Which tool supports batch processing of many PDFs?

Both support batch operations, but Sejda’s batch features (e.g., Bates numbering) are limited by its tier, while MinerU’s scalability depends on your own server capacity.