Markitdown Online
Browser-local PDF, Office and EPUB to Markdown converter for AI agent context, with OCR and batch mode
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markitdown.onlineAbout Markitdown Online
Markitdown Online converts documents into clean Markdown for AI workflows, and its notable design decision is that conversion runs entirely in the browser — files are never uploaded to a server, which removes the confidentiality objection that usually blocks this class of tool inside a company. Input coverage is broad: PDF, DOCX, XLSX, XLS, PPTX, HTML, CSV, JSON, XML, IPYNB, EPUB, ZIP, PNG, JPG, JPEG and WEBP, plus fetching a public file straight from a URL. Extraction preserves headings, lists, tables and reading structure rather than dumping raw text, and an OCR mode handles scanned PDFs and images, limited to three runs on the free tier. The stated purpose is downstream rather than cosmetic: producing agent context, knowledge-base entries, prompt libraries, skill source files and version-controllable documentation out of formats that otherwise trap their content inside a proprietary app. Output is previewed before download so the structure can be checked. The vendor reports more than 186,000 files converted and runs a multilingual interface across English, Simplified and Traditional Chinese, Japanese, French, Spanish, German and Korean. Free use has a 10 MB file ceiling; paid tiers raise it to 300 MB and allow batches of up to thirty files at once.
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