embedPng ( marioImageBytes ) const emblemImage = await pdfDoc. load ( formPdfBytes ) // Embed the Mario and emblem images const marioImage = await pdfDoc. Load a PDF with form fields const pdfDoc = await PDFDocument. Import from 'pdf-lib' // These should be Uint8Arrays or ArrayBuffers // This data can be obtained in a number of different ways // If your running in a Node environment, you could use fs.readFile() // In the browser, you could make a fetch() call and use res.arrayBuffer() const formPdfBytes =. And many of them only work in particular environments. However, most of them can only create documents, they cannot modify existing ones. There are other good open source JavaScript PDF libraries available. Working in all JavaScript environments - not just in Node or the Browser.Supporting modification (editing) of existing documents.

Two of pdf-lib's distinguishing features are: Pdf-lib was created to address the JavaScript ecosystem's lack of robust support for PDF manipulation (especially for PDF modification).

Embed Fonts (supports UTF-8 and UTF-16 character sets).

Learn more at pdf-lib.js.org Table of Contents

Pdf maker javascript