black

v26.5.1PyPI· Python

The uncompromising code formatter.

The verdict

Safe default. Widely trusted across the ecosystem, actively maintained.

Live from the PyPI registry · derived rules, not AI

How it scores

MaintenanceHealthy

PopularityTop 1%

SecurityClean

LicensePermissive

DepsModerate

Maintenance

Last published this month.

Popularity

31M downloads / week

Security

No known advisories for this version (OSV).

License

MIT

Dependencies

14 direct dependencies

Same concept · Linter / formatter

For enforcing style and catching mistakes statically.

PyPIAlternatives in PyPI

Cross-language equivalents

npm· JavaScript

crates.io· Rust

RubyGems· Ruby

Related-package mappings are hand-curated. See alternatives in detail →

Recent releases