Marker

Open-source PDF to markdown converter

📄 Data & docs open source / open weights

/ 100

Fast, accurate open-source conversion of PDFs to markdown/JSON, with a hosted API by Datalab.

You want local high-quality PDF to markdown.

You need commercial use at a large company without a license.

Score breakdown

Job fit16/30

Ease / time-to-first-result11/15

Value14/15

Momentum12/15

Openness & portability9/10

Trust & maturity7/10

Builder/gamer bonus4/5

Initial editorial estimate from public info; not yet hands-on tested. How we score →

Pricing: Free and open source (license limits for larger companies); hosted API paid
Unverified. Unverified: editorial summary. We couldn't confirm this on an official pricing page (JS-rendered, no public pricing, or usage-based) as of Oct 18, 2026.
Free tier: Yes (unverified)
Platforms: Python SDK · CLI
Open source: Yes
Official URL: https://github.com/datalab-to/marker
URL verified: Oct 18, 2026 (curl HTTP GET)
Last reviewed: Oct 18, 2026 by agent
Sources: https://github.com/datalab-to/marker