File Format Converter
Convert between PDF, Word, and PowerPoint formats
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Real Implementation Guide
For a production environment, you need both frontend and backend components. Here’s how to implement it:
Backend Implementation (Node.js/Express Example)
// Install required packages: npm install express multer pdf-poppler libreoffice-convert
const express = require(‘express’);
const multer = require(‘multer’);
const path = require(‘path’);
const fs = require(‘fs’);
const app = express();
const upload = multer({ dest: ‘uploads/’ });
// PDF to Word conversion endpoint
app.post(‘/convert/pdf-to-word’, upload.single(‘file’), async (req, res) => {
try {
const inputPath = req.file.path;
const outputPath = `converted/${req.file.filename}.docx`;
// Use library like pdf2docx for conversion
// const converter = require(‘pdf2docx’);
// await converter.convert(inputPath, outputPath);
res.download(outputPath, () => {
// Clean up temporary files
fs.unlinkSync(inputPath);
fs.unlinkSync(outputPath);
});
} catch (error) {
res.status(500).json({ error: ‘Conversion failed’ });
}
});
// Similar endpoints for other conversions
app.listen(3000, () => console.log(‘Server running on port 3000’));
Frontend Integration
Update the convertFile function to send the file to your backend:
async function convertFile() {
if (!selectedFile || !selectedConversion) return;
const formData = new FormData();
formData.append(‘file’, selectedFile);
try {
const response = await fetch(`/api/convert/${selectedConversion}`, {
method: ‘POST’,
body: formData
});
if (response.ok) {
const blob = await response.blob();
const url = window.URL.createObjectURL(blob);
const a = document.createElement(‘a’);
a.href = url;
a.download = getConvertedFileName(selectedFile.name, selectedConversion);
document.body.appendChild(a);
a.click();
window.URL.revokeObjectURL(url);
document.body.removeChild(a);
} else {
throw new Error(‘Conversion failed’);
}
} catch (error) {
alert(‘Error during conversion: ‘ + error.message);
}
}
Required Backend Libraries
- PDF to Word: pdf2docx, pdf-extract, or similar
- Word to PDF: libreoffice-convert or docx-to-pdf
- PPT to PDF: libreoffice-convert or ppt-to-pdf
- PDF to PPT: pdf2pptx or similar (limited availability)