Live Demo

You can see the live demo of the tool here

Get Started

In order to get started you need to install the libraries which are given below

npm i express

npm i multer

npm i libreoffice-convert

npm i nodemon

Now add some html code for the web application like this

<div class="col-md-4 col-sm-6 col-xs-12">
    <div class="content colour-2">
      <h3 class="text-center">PDF to DOCX DEMO</h3>
      <div class="text-center">
        <a class="btn btn-danger" href="/docxtopdfdemo">Convert Now</a>
      </div>
    </div>
  </div>

<a class="btn btn-danger" href="/docxtopdfdemo">Convert Now</a>

</div>

<!DOCTYPE html>
<html>
  <head>
    <title>DOCX to PDF Converter</title>
    <link
      rel="stylesheet"
      href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
    />
  </head>
  <body>
      <div class="container">
          <h1 class="text-center">
              DOCX to PDF Converter
          </h1>
          <form action="/docxtopdfdemo" method="post" enctype="multipart/form-data">
            <div class="form-group">
                <input type="file" name="file" id="" required class="form-control">
            </div>
            <div class="form-group">
                <button class="btn btn-danger btn-block">
                    Convert to DOCX
                </button>
            </div>
        </form>
      </div>
</body>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
</html>

<!DOCTYPE html>

<html>

<head>

<title>DOCX to PDF Converter</title>

<link

rel="stylesheet"

href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"

</head>

<body>

DOCX to PDF Converter

</h1>

</div>

Convert to DOCX

</button>

</div>

</form>

</div>

</body>

</html>

const express = require("express");

const bodyParser = require("body-parser");

const libre = require('libreoffice-convert');

const fs = require("fs");

const path = require("path");

var outputFilePath;

const multer = require("multer");

const app = express();

app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

const PORT = process.env.PORT || 5000;

app.use(express.static("public"));

var storage = multer.diskStorage({
  destination: function (req, file, cb) {
    cb(null, "public/uploads");
  },
  filename: function (req, file, cb) {
    cb(
      null,
      file.fieldname + "-" + Date.now() + path.extname(file.originalname)
    );
  },
});


app.get('/docxtopdfdemo',(req,res) => {
  res.render('docxtopdfdemo',{title:"DOCX to PDF Converter - Free Media Tools"})
})

const docxtopdfdemo = function (req, file, callback) {
  var ext = path.extname(file.originalname);
  if (
    ext !== ".docx" &&
    ext !== ".doc"
  ) {
    return callback("This Extension is not supported");
  }
  callback(null, true);
};

const docxtopdfdemoupload = multer({storage:storage,fileFilter:docxtopdfdemo})


app.post('/docxtopdfdemo',docxtopdfdemoupload.single('file'),(req,res) => {
  if(req.file){
    console.log(req.file.path)

    const file = fs.readFileSync(req.file.path);

    outputFilePath = Date.now() + "output.pdf" 

    libre.convert(file,".pdf",undefined,(err,done) => {
      if(err){
        fs.unlinkSync(req.file.path)
        fs.unlinkSync(outputFilePath)

        res.send("some error taken place in conversion process")
      }

      fs.writeFileSync(outputFilePath, done);

      res.download(outputFilePath,(err) => {
        if(err){
          fs.unlinkSync(req.file.path)
        fs.unlinkSync(outputFilePath)

        res.send("some error taken place in downloading the file")
        }

        fs.unlinkSync(req.file.path)
        fs.unlinkSync(outputFilePath)
      })


    })
  }
})

app.listen(PORT, () => {
  console.log(`App is listening on Port ${PORT}`);
});

const express = require("express");

const bodyParser = require("body-parser");

const libre = require('libreoffice-convert');

const fs = require("fs");

const path = require("path");

var outputFilePath;

const multer = require("multer");

const app = express();

app.use(bodyParser.urlencoded({ extended: false }));

app.use(bodyParser.json());

const PORT = process.env.PORT || 5000;

app.use(express.static("public"));

var storage = multer.diskStorage({

destination: function (req, file, cb) {

cb(null, "public/uploads");

filename: function (req, file, cb) {

cb(

null,

file.fieldname + "-" + Date.now() + path.extname(file.originalname)

);

});

app.get('/docxtopdfdemo',(req,res) => {

res.render('docxtopdfdemo',{title:"DOCX to PDF Converter - Free Media Tools"})

})

const docxtopdfdemo = function (req, file, callback) {

var ext = path.extname(file.originalname);

if (

ext !== ".docx" &&

ext !== ".doc"

) {

return callback("This Extension is not supported");

}

callback(null, true);

};

const docxtopdfdemoupload = multer({storage:storage,fileFilter:docxtopdfdemo})

app.post('/docxtopdfdemo',docxtopdfdemoupload.single('file'),(req,res) => {

if(req.file){

console.log(req.file.path)

const file = fs.readFileSync(req.file.path);

outputFilePath = Date.now() + "output.pdf"

libre.convert(file,".pdf",undefined,(err,done) => {

if(err){

fs.unlinkSync(req.file.path)

fs.unlinkSync(outputFilePath)

res.send("some error taken place in conversion process")

}

fs.writeFileSync(outputFilePath, done);

res.download(outputFilePath,(err) => {

if(err){

fs.unlinkSync(req.file.path)

fs.unlinkSync(outputFilePath)

res.send("some error taken place in downloading the file")

}

fs.unlinkSync(req.file.path)

fs.unlinkSync(outputFilePath)

})

}

})

app.listen(PORT, () => {

console.log(`App is listening on Port ${PORT}`);

});

Node.js Express Word Document DOCX or DOC to PDF Converter Full App Using LibreOffice Library 2020

Live Demo

Get Started

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Live Demo

Get Started

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