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Hongdown vs dprint: catalog facts
Hongdown	dprint
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the MIT licence.
Windows, Command line	Windows, macOS, Linux, Command line
Consistent, documented Markdown style applied automatically Per-project configuration file	One tool and one config file for formatting many languages Sandboxed WebAssembly plugins without network or file access
Enforces one author's conventions, which may not match your preferences Command-line only, with no editor interface of its own	Language support depends on available plugins Plugins must be added and configured before formatting
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.