Split PDF Files in the Browser Using JavaScript
javascript•Apr 27, 2026

Split PDF Files in the Browser Using JavaScript

In this tutorial, you'll learn how to split PDF files in the browser using JavaScript. You'll understand how to extract specific pages from a PDF, create a new document, and download the result instantly.

freecodecamp

freecodecamp

Original source

Key summary

Learn how to build a browser-based PDF splitter using JavaScript, where you can extract specific pages from a PDF, create a new document, and download the result instantly.

TL;DR

  • Split PDF files in the browser using JavaScript
  • Use pdf-lib, a lightweight JavaScript library for working with PDFs
  • Extract specific pages from a PDF
  • Create a new document from extracted pages
  • Download the result instantly
  • No backend or server required
  • Use a simple file input and button to trigger the splitting process
  • Display a preview of the PDF pages before splitting

This content is automatically summarized using AI. For full context, always refer to the original article.

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