Building a PDF to Word Converter in Next.js with pdfjs-dist and docx

We needed a PDF to Word converter for Ultimate Tools. Most browser-based approaches hit a wall: pdfjs-dist runs fine in the browser for rendering, but extracting structured text and assembling a real .docx file on the client is messy — DOCX generation libraries aren't designed for the browser, and the output quality varies. The cleaner path is a Next.js API route. Here's how we built it: pdfjs-dist for text extraction on the server, the docx library for DOCX assembly, and a Node.js polyfill tri