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codespell vs typos: catalog facts
codespell	typos
Best for: Developers checking source trees and text files for common typos	Best for: Developers who want spelling checks on code in CI or pre-commit
Free Free and open source under the GPL-2.0 license.	Free Free and open source under the MIT or Apache 2.0 licence.
Command line	Windows, macOS, Linux, Command line
Checks source code and other text files Can apply suggested spelling fixes All 3 strengths for codespell Checks source code and other text files Can apply suggested spelling fixes Supports specific paths and file patterns	Checks identifiers as well as comments and strings Can fix typos automatically All 3 strengths for typos Checks identifiers as well as comments and strings Can fix typos automatically Ready-made GitHub Action and pre-commit hooks
Checks for common misspellings rather than all dictionary words Requires Python 3.9 or above	Only catches known misspellings, not every spelling error Command-line only, no graphical interface
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-only	License: MIT OR Apache-2.0
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 codespell github.com/codespell-project/codespell Catalog checked October 8, 2026	Official website Full listing and sources Sources for typos github.com/crate-ci/typos Catalog checked October 1, 2026

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