Preview vs UPX

Preview

Description: Preview is a free and open-source document viewer application for macOS. It allows quick viewing of multiple file formats including images, PDFs, Markdown files, Office documents, and more. Preview has basic editing capabilities and annotation tools for PDFs.

Type: software

Pricing: Open Source

UPX

Description: UPX is an open source executable packer that can compress and optimize executable files for Windows, Linux, macOS, and other platforms. It works by analyzing executables, removing unused code and data, and compressing what remains. UPX aims to reduce file size while allowing compressed binaries to launch and run normally.

Type: software

Pricing: Free

Preview Features

• View PDFs, images, text files and more
• Annotate PDFs with shapes, text boxes, signatures
• Basic image editing tools
• Fill out and sign PDF forms
• Combine PDFs and export as PDF or other formats
• Tabbed interface to view multiple files
• Quick Look support to preview files
• Built-in screen capture tool

UPX Features

• Compresses executable files
• Supports Windows, Linux, macOS and other platforms
• Open source and free to use
• Removes unused code and data
• Compressed binaries can still run normally

Preview

• Open Source

UPX

• Free