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.

MarkItDown Online

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News

Bulk conversion now packages output into a single archive

2026-07-15

Batch conversion has been the most-requested workflow improvement since launch. You could already drop multiple files, but the output came as individual downloads — fine for three files, tedious for thirty. Now all converted files are packaged into a single ZIP archive, with the original folder structure preserved.

How folder structure is handled

If you upload a folder with subfolders, the ZIP preserves that structure. A file at reports/january/sales.xlsx converts to reports/january/sales.md inside the archive. Flat uploads get a flat ZIP. No surprises.

File name conflicts

If two source files would produce the same output name — for example, notes.docx and notes.pdf both becoming notes.md — the second one gets a numeric suffix (notes-2.md) instead of silently overwriting.