Best Open Source PDF Editors 2026

PDF Editors

PDF Editors Windows Affero GNU Public License ChromeOS Clear Filters

Browse free open source PDF Editors and projects for Windows and ChromeOS below. Use the toggles on the left to filter open source PDF Editors by OS, license, language, programming language, and project status.

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1

PDF Split and Merge

Split and merge PDF files on any platform

Split and merge PDF files with PDFsam, an easy-to-use desktop tool with graphical, command line and web interface.

Downloads: 202 This Week

Last Update: 2026-03-02
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2

JPDF Export

JPDF Export is a java library built on the famous iText library. It provides simple functions that can be used to build complex pdf files. It also provides simple classes to merge, split and convert pdf files

Downloads: 2 This Week

Last Update: 2012-12-06
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3

Dare-Dare

Dare-Dare stands for Document Ajax Reader Extension. It's a full javascript online pdf reader. No flash, no closed sources !!!!

1 Review

Downloads: 0 This Week

Last Update: 2014-04-24
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4

toPDF

Online service for PDF conversion (to PDF)

A simple online service for PDF conversion. This project is a simple library and also a web application. It offers a REST service and a simple upload service for synchronous conversion. This library/application doesn't contain conversion libraries because it's a wrapper for existing tools. toPDF currently supports the open source tool PDF Creator (http://www.pdfforge.org) and the commercial solution, easy PDF, from BCL (http://www.pdfonline.com/easypdf/sdk/).

Downloads: 0 This Week

Last Update: 2025-09-22
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