https://boseonggang.com/tags/searchable/ Recent content in Searchable on VibePapa — Tech from the Boseong River Hugo en-us Mon, 24 Aug 2026 07:58:03 +0900 https://boseonggang.com/posts/scanned-books-into-searchable-pdfs/ Mon, 24 Aug 2026 07:58:03 +0900 https://boseonggang.com/posts/scanned-books-into-searchable-pdfs/ A printed book you own is still a black box — you remember a page had the answer, but not which one. Local OCR turned scanned sermon booklets into PDFs you can search, for $0, using a trick that reads only the page headers first.