Hosted Docling: convert PDF, Office files and images to Markdown and JSON, with OCR and tables.
Free
5 servers across files & storage. The largest is Docling by pagespool.
Files & Storage
Hosted Docling: convert PDF, Office files and images to Markdown and JSON, with OCR and tables.
Hosted EPUBCheck: check an EPUB file against the EPUB specification and list every error.
Hosted Gotenberg: HTML, Markdown, web pages and Office files to PDF with Chromium and LibreOffice.
Hosted MarkItDown: convert Word, PowerPoint, Excel, HTML and the text of PDFs to Markdown.
Hosted OCRmyPDF: add a searchable text layer to scanned PDFs and images, returned as PDF/A.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.