Surya vs PDF to MD ConverterSurya vs PDF to MD Converter compared for 2026 — features, license, ease of use, performance and which one to choose. Modern OCR with layout detection vs Turn a text-layer PDF into Markdown without uploading it.
Updated regularly · curated by olud.ai
| Spec | Surya | PDF to MD Converter |
|---|---|---|
| Category | Document AI & OCR | Document AI & OCR |
| Type | OCR toolkit | Hosted PDF-to-Markdown converter |
| License | GPL-3.0 | Proprietary |
| Runs locally | Yes | Partial |
| Primary language | Python | — |
| Ease of use | Intermediate | Beginner |
| Best for | developers who need OCR beyond plain text | anyone needing a text-layer PDF as Markdown without installing or uploading it |
| GitHub stars | — | — |
| Criterion | Surya | PDF to MD Converter |
|---|---|---|
| Popularity | n/a | n/a |
| Maintenance | n/a | 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.
Surya is a modern OCR toolkit providing text recognition in 90+ languages plus layout analysis, reading order and table detection.
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.
Surya is oCR toolkit, while PDF to MD Converter is hosted PDF-to-Markdown converter. Their licenses differ (GPL-3.0 vs Proprietary), which matters if you ship a commercial product. Surya 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, Surya fits developers who need OCR beyond plain text, and PDF to MD Converter fits anyone needing a text-layer PDF as Markdown without installing or uploading it.
Choose Surya for developers who need OCR beyond plain text. 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 Surya rewards more setup with more control.
Surya is free and open source (GPL-3.0), and PDF to MD Converter is free to use but closed source. Neither charges for the core software.
Surya: yes · PDF to MD Converter: partial. Both can be used without sending your data to a third-party cloud where their setup allows.
Choose Surya for developers who need OCR beyond plain text. Choose PDF to MD Converter for anyone needing a text-layer PDF as Markdown without installing or uploading it.
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