Convert PDF pages to a single jpg by using pdf.js and node-canvas.
https://pdf2jpg.sijie.wang/?url={url_for_pdf_file}
e.g. https://pdf2jpg.sijie.wang/?url=https://pdf2jpg.sijie.wang/sample.pdf
Require canvas, see https://github.com/Automattic/node-canvas for installation guide.
In most systems, this can be done by the single command:
npm i pdf2jpgconst pdf2jpg = require('pdf2jpg');
const fs = require('fs');
const source = fs.readFileSync('test.pdf'); // can be buffer or just url
pdf2jpg(source).then(buffer => fs.writeFileSync('out.jpg', buffer))
// page 1 only (starts from 1)
pdf2jpg(source, { page: 1 }).then(buffer => fs.writeFileSync('out-page-1.jpg', buffer))docker build -t pdf2jpg .
docker run -it -v $(pwd):/app pdf2jpg
https://github.com/mozilla/pdf.js/blob/master/examples/node/pdf2png/pdf2png.js
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