An extremely fast Python linter and code formatter, written in Rust.

Prettier is an opinionated code formatter. It enforces a consistent style by parsing your code and re-printing it with its own rules that take the maximum line length into account, wrapping code when necessary.

By using Black, you agree to cede control over minutiae of hand-formatting. In return, Black gives you speed, determinism, and freedom from pycodestyle nagging about formatting. You will save time and mental energy for more important matters.

Black makes code review faster by producing the smallest diffs possible. Blackened code looks the same regardless of the project you’re reading. Formatting becomes transparent after a while and you can focus on the content instead.

stylefmt is a tool that automatically formats your stylesheets.

A javascript date library for parsing, validating, manipulating, and formatting dates.

SQLFormat is a free online formatter for SQL statements.

Advanced CSS Prettifier

Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.