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lowdown vs Comrak: catalog facts
lowdown	Comrak
Best for: People who convert Markdown documents from the command line	Best for: Developers converting Markdown to HTML in scripts and build pipelines
Free Free and open source under the ISC license.	Free Free and open source under the BSD 2-Clause licence.
macOS, Linux, Command line	Windows, Command line
Renders Markdown to several document and terminal formats Includes a tool for comparing Markdown files All 3 strengths for lowdown Renders Markdown to several document and terminal formats Includes a tool for comparing Markdown files Portable C tools with no dependencies	CommonMark compliant with full GFM support Usable as a CLI, Rust library or through other language bindings All 3 strengths for Comrak CommonMark compliant with full GFM support Usable as a CLI, Rust library or through other language bindings Used in production by large sites
Building from source may require bmake on non-BSD systems	Command-line only, no graphical editor Mainly aimed at developers and build pipelines
Downloadable app	Downloadable app
Open source	Open source
License: ISC	License: BSD-2-Clause
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for lowdown kristaps.bsd.lv/lowdown Catalog checked October 8, 2026	Official website Full listing and sources Sources for Comrak comrak.ee Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.