@0xQiYan: Brothers, have you ever encountered situations where various format conversions require a membership, and still worry about not having one? Discovered an open-source project for format conversion that Microsoft and Google couldn't achieve, but a philosophy professor managed to do in his spare time. Pandoc—the document conversion artifact, one command, a few seconds, over 50 formats freely converted. Word to PDF, ...

Brothers, have you ever encountered situations where various format conversions require a membership, and still worry about not having one? Discovered an open-source project for format conversion that Microsoft and Google couldn't achieve, but a philosophy professor managed to do in his spare time. Pandoc—the document conversion artifact, one command, a few seconds, over 50 formats freely converted. Word to PDF, Markdown to PPT, LaTeX to Word, all no problem. What's more: it's free, open source, runs entirely locally—your documents never get uploaded to any server. Online tools often charge tens of dollars per month and steal your data, but Pandoc is completely free. The person behind it is John MacFarlane, a philosophy professor at Berkeley. In 2006, to make writing lecture notes easier, he wrote Pandoc in Haskell, a language he had never learned before—it was his first Haskell program. He's been writing it for twenty years and still maintains it today. R Markdown, Jupyter Book, Quarto—all rely on it. The de facto standard for global document conversion, all coded by a philosophy professor in his spare time. 45,000 stars on GitHub, open source license, latest version just released. Those days you spent manually converting formats for hours can now be done in seconds with one command. (Link in comments.)