AlterPDF vs SumatraPDF

AlterPDF

Description: AlterPDF is an alternative PDF software that allows you to edit, convert, merge, split, compress, and secure PDF files. It offers an intuitive interface and advanced tools for manipulating PDFs.

Type: software

SumatraPDF

Description: SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.

Type: software

Pricing: Open Source

AlterPDF Features

• Edit PDFs
• Convert PDFs to other formats
• Merge multiple PDFs
• Split PDFs
• Compress PDF file size
• Add security to PDFs

SumatraPDF Features

• Lightweight and fast PDF reader
• Supports many document formats like PDF, ePub, MOBI, XPS, DjVu, CHM, CBZ, CBR
• Customizable with themes, keyboard shortcuts
• Tabbed document interface
• Supports annotations and highlighting
• Continuous scrolling
• Supports reflowable text
• Supports digital signatures
• Supports comics book formats
• Supports eBooks
• Supports syncing open documents across devices

AlterPDF

• Not listed

SumatraPDF

• Open Source