Use Google Drive, set up a publicly shared folder, and drop the PDFs there. If you want you can even make a fancy search UX with google's search API. https://d

Use Google Drive, set up a publicly shared folder, and drop the PDFs there. If you want you can even make a fancy search UX with google's search API. https://developers.google.com/drive/api/guides/search-files https://developers.google.com/drive/api/guides/search-files Also, YaCy is an automated web crawler that throws data into Solr, so your question doesn't make much sense.