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How to Build a Browser-Based PDF to Word Converter Using Vue 3 and pdf-lib

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A new developer guide explains how to create a browser-based PDF-to-Word converter using Vue 3, pdf-lib, and the docx library. Because PDF stores text as coordinate-positioned characters while Word uses structured paragraphs, the conversion process requires extracting text positions and reconstructing reading order. The approach involves sorting extracted text chunks by Y and X coordinates to approximate top-to-bottom, left-to-right reading flow before generating a DOCX file. The guide also covers edge cases such as scanned PDFs, multi-column layouts, and font mapping issues, offering practical workarounds for each. A working demo of the tool is available online at en.sotool.top/pdf-to-word.

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