MinerU vs PDF to MD ConverterMinerU vs PDF to MD Converter compared for 2026 — features, license, ease of use, performance and which one to choose. PDF to Markdown with formulas and tables vs Turn a text-layer PDF into Markdown without uploading it.
Updated regularly · curated by olud.ai
| Spec | MinerU | PDF to MD Converter |
|---|---|---|
| Category | Document AI & OCR | Document AI & OCR |
| Type | Document extractor | Hosted PDF-to-Markdown converter |
| License | AGPL-3.0 | Proprietary |
| Runs locally | Yes | Partial |
| Primary language | Python | — |
| Ease of use | Intermediate | Beginner |
| Best for | scientific PDFs with formulas | anyone needing a text-layer PDF as Markdown without installing or uploading it |
| GitHub stars | 82.5k | — |
| Criterion | MinerU | PDF to MD Converter |
|---|---|---|
| Popularity | 4.5 | n/a |
| Maintenance | 5.0 | n/a |
| Ease of use | 3.5 | 5.0 |
| Privacy | 5.0 | 3.5 |
| License freedom | 3.5 | 1.5 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
MinerU extracts text, tables, formulas and images from PDFs into Markdown or JSON, handling scientific documents particularly well.
A hosted web page that turns text-layer PDFs into Markdown in the browser tab using Mozilla's pdf.js: drop a file, preview, then copy or download the .md. Reverse conversion and a Batch page are also linked. Closed source, free to try, no pricing page. Note before using it: the "nothing is uploaded" claim covers the homepage workspace only, not the linked Batch page, and there is no OCR, so image-only scans come out empty.
MinerU is document extractor, while PDF to MD Converter is hosted PDF-to-Markdown converter. Their licenses differ (AGPL-3.0 vs Proprietary), which matters if you ship a commercial product. MinerU leans more intermediate-friendly, whereas PDF to MD Converter is more suited to beginner users. They also differ in how they run (Yes vs Partial). In short, MinerU fits scientific PDFs with formulas, and PDF to MD Converter fits anyone needing a text-layer PDF as Markdown without installing or uploading it.
Choose MinerU for scientific PDFs with formulas. Choose PDF to MD Converter for anyone needing a text-layer PDF as Markdown without installing or uploading it.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
PDF to MD Converter is generally the easier of the two to get started with, while MinerU rewards more setup with more control.
MinerU is free and open source (AGPL-3.0), and PDF to MD Converter is free to use but closed source. Neither charges for the core software.
MinerU: yes · PDF to MD Converter: partial. Both can be used without sending your data to a third-party cloud where their setup allows.
Choose MinerU for scientific PDFs with formulas. Choose PDF to MD Converter for anyone needing a text-layer PDF as Markdown without installing or uploading it.
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