MuPDF

Free and open source rendering engine for PDFs, EPUBs and XPS documents.
Homepage:	https://mupdf.com/
Status:	Maintained ✅
Source Code:	https://github.com/ArtifexSoftware/mupdf
License:	AGPL-3.0 license
Cost:	n/a
Platforms:	Windows, macOS, GNU/Linux
Language:	English
Wikidata ID:	Q6930567
Input Formats:	EPUB, PDF, XPS
Output Formats:	PDF, HTML
Function:	File Format Migration,Rendering,Repair
Content type:	Document

Description

MuPDF is a free and open source rendering engine for PDFs, EPUBs and XPS documents. It can perform other tasks, like cleaning the offsets of a cross-reference table in a PDF with the following command-line:

mutool clean myPdf

User Experiences

• Caron, Bertrand. ‘“Validation OK” They Said: Fixing the Rendering of a So-Called Valid PDF’. Open Preservation Foundation, 21 May 2025. https://openpreservation.org/blogs/validation-ok-they-said-fixing-the-rendering-of-a-so-called-valid-pdf/.
• Knijff, Johan van der. ‘PDF Processing and Analysis with Open-Source Tools’. Bitsgalore, 6 September 2021. https://www.bitsgalore.org/2021/09/06/pdf-processing-and-analysis-with-open-source-tools.