Pandoc is a powerful command-line tool designed for converting documents between various formats. Primarily functioning as a Haskell library, it supports a wide array of input and output formats, making it versatile for users in need of document transformation. The tool allows for conversions from formats like Markdown, HTML, and LaTeX, to outputs such as PDF, DOCX, and EPUB, among others. Users can execute conversions easily through the command line by specifying the source file and desired output format.

While Pandoc strives to maintain the structural integrity of documents during conversion, certain formatting elements, particularly complex tables and margins, may not be preserved perfectly. The program's modular design includes a set of readers that parse source text, allowing for effective translation into the target format. This makes Pandoc an invaluable asset for users needing robust document conversion capabilities.