pdfcraft

PDFCraft is an open-source document manipulation suite that runs entirely in the browser using WebAssembly. It offers over 90 tools to merge, split, convert, sign, OCR, and secure PDFs without uploading files to remote servers. Users can run it locally with Docker, deploy it as a static site, or access it directly on the web.

From the repository: “PDFCraft is a free, privacy-focused PDF toolkit that runs entirely in your browser. With 90+ professional tools, you can edit, convert, merge, split, and secure your PDF files without ever uploading them to a server.”