# Chandra OCR

Converts images and PDFs to HTML, Markdown or JSON with layout. Chandra OCR is freemium — a usable free tier with paid plans above it, at github.com.

## Facts

- **Pricing tier:** Free tier + paid
- **Works on:** Self-hosted, API, Web
- **Works in browser:** Yes

## Capabilities

- Converts images and PDFs to HTML, Markdown or JSON with layout
- Handles tables, forms and handwriting in 90+ languages
- 85.8% on olmOCR benchmark (Chandra 2, Mar 2026)
- Free playground at datalab.to; open weights under modified OpenRAIL-M

## FAQ

### What is Chandra OCR?

Chandra OCR is listed under AI OCR & Document Extraction, in the Research & Learning category on Flocci AI Tools. Converts images and PDFs to HTML, Markdown or JSON with layout. It is freemium — a usable free tier with paid plans above it, and it lives at github.com.

### Is Chandra OCR free?

Chandra OCR is freemium: there is a free tier you can work in and paid plans above it. It is one of 429 freemium tools in the catalog, all labelled the same way so you are never surprised by a paywall.

### Can I use Chandra OCR in a browser, or is there an app?

Chandra OCR works in a normal browser tab with no install. It is available on self-hosting, an API and the web.

### What can Chandra OCR do?

Chandra OCR does 4 things the catalog singles out: Converts images and pdfs to html, markdown or json with layout; handles tables, forms and handwriting in 90+ languages; 85.8% on olmocr benchmark (chandra 2, mar 2026); free playground at datalab.to; open weights under modified openrail-m.

### What is the best free alternative to Chandra OCR?

dots.ocr (dots.mocr) is the closest free alternative: it sits in the same AI OCR & Document Extraction sub-category and is free. LangExtract (Google), MinerU and olmOCR also start free. The full list is on the alternatives page.

## Related

- [Chandra OCR alternatives](https://aitools.flocci.in/alternatives/chandra-ocr)
- [AI OCR & Document Extraction](https://aitools.flocci.in/category/research-learning/ai-ocr-document-extraction)
- [Best free AI OCR and document extraction tools](https://aitools.flocci.in/best/best-ai-ocr-document-extraction)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/chandra-ocr

Facts last verified: October 2026