pdf2html
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pdf2html helps to convert PDF file to HTML or Text using Apache Tika. This module also helps to generate thumbnail image for PDF file using Apache PDFBox.
Installation
via yarn:
yarn add pdf2html
via npm:
npm install --save pdf2html
Java runtime environment (JRE) is required to run this module.
Usage
const pdf2html = require('pdf2html');
const html = await pdf2html.html('sample.pdf');
console.log(html);
Convert to text
const text = await pdf2html.text('sample.pdf');
console.log(text);
Convert as pages
const htmlPages = await pdf2html.pages('sample.pdf');
console.log(htmlPages);
const options = { text: true };
const textPages = await pdf2html.pages('sample.pdf', options);
console.log(textPages);
const meta = await pdf2html.meta('sample.pdf');
console.log(meta);
Customize maximum buffer to be used
The maxBuffer option specifies the largest number of bytes allowed on stdout or stderr. If this value is exceeded, then the child process is terminated.
By default, the maximum buffer size is 2MB. You can customize it by passing the maxBuffer
option.
await pdf2html.meta('sample.pdf', { maxBuffer: 1024 * 10000 });
await pdf2html.html('sample.pdf', { maxBuffer: 1024 * 10000 });
await pdf2html.text('sample.pdf', { maxBuffer: 1024 * 10000 });
await pdf2html.pages('sample.pdf', { maxBuffer: 1024 * 10000 });
await pdf2html.thumbnail('sample.pdf', { maxBuffer: 1024 * 10000 });
Generate thumbnail
const thumbnailPath = await pdf2html.thumbnail('sample.pdf');
console.log(thumbnailPath);
const options = { page: 1, imageType: 'png', width: 160, height: 226 };
const thumbnailPath = await pdf2html.thumbnail('sample.pdf', options);
console.log(thumbnailPath);
Manually download dependencies files
Sometimes downloading the dependencies might be too slow or unable to download in a HTTP proxy environment. Follow the step below to skip the dependency downloads.
cd node_modules/pdf2html/vendor
wget https://archive.apache.org/dist/pdfbox/2.0.27/pdfbox-app-2.0.27.jar
wget https://archive.apache.org/dist/tika/2.6.0/tika-app-2.6.0.jar