Biome : Biome is a fast formatter for JavaScript, TypeScript, JSX, TSX, JSON, HTML, CSS and GraphQL that scores 97% compatibility with Prettier (see known lim...
Prettier : 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 max...
CSS Lint : CSS Lint points out problems with your CSS code. It does basic syntax checking as well as applying a set of rules to the code that look for problemati...
Online javascript beautifier : Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.
ruff : An extremely fast Python linter and code formatter, written in Rust.
stylefmt is a tool that automatically formats your stylesheets.