Math OCR API
Convert printed and handwritten equations, worksheets and papers to LaTeX inside Markdown.
Result
Your Markdown or JSON shows up here.
What makes equations hard to read
- Fractions, matrices and multi-line derivations
- Handwritten symbols
- Inline math mixed with prose
What you can pull out
math fields
{
"latex": "\\int_0^1 x^2\\,dx = \\tfrac{1}{3}",
"type": "formula",
"inline": "false"
}Best models for equations
1Mathpix ConvertSpecialist for math, science papers and handwritten formulas. Outputs LaTeX.
mathpix/convert7 credits / page2Mistral OCRFast document OCR that returns clean Markdown with tables and embedded images.mistral/mistral-ocr6 credits / page3MarkerHosted version of the open-source Marker and Surya models. Strong on books and papers.datalab/marker14 credits / pageCall it from your code
curl https://api.ocrrouter.ai/v1/ocr \
-H "Authorization: Bearer $OCRROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "mathpix/convert",
"file_url": "https://example.com/invoice.pdf",
"format": "json"
}'