Is MarkItDown Online free to use?

Yes. MarkItDown Online is free to use with an optional Pro plan for advanced features.

What file formats are supported?

MarkItDown Online supports PDF, Word (.docx), Excel (.xlsx), PowerPoint (.pptx), HTML, images (OCR), and audio files.

Is my document data stored?

No. All document processing happens in your browser or via temporary in-memory processing. No uploaded files are stored permanently.

Does MarkItDown Online use Microsoft MarkItDown?

Yes. MarkItDown Online uses the open-source Microsoft MarkItDown library to convert PDF, DOCX, XLSX, PPTX, HTML, images, and audio to Markdown.

Can I convert multiple files at once?

Yes. MarkItDown Online supports batch file conversion. You can upload multiple files and convert them all at once.

News

XLSX conversion now preserves formulas as Markdown code spans

2026-08-03

Starting 2026-08-03, MarkItDown Online XLSX-to-Markdown conversion preserves cell formulas as inline code spans.

How formulas are represented

Each cell with a formula becomes a Markdown table cell containing the formula in backticks followed by the computed value in parentheses. Feedback: sapsap@qq.com.