What is Prettier? An opinionated code formatter Supports many languages Integrates with most editors Has few options »

In addition to running Prettier from the command line (prettier --write), checking formatting in CI, and running Prettier from your editor, many people like to run Prettier as a pre-commit hook as well.

Suddenly our previous format for calling function breaks down because this is too long. Prettier is going to do the painstaking work of reprinting it like that for you:

Test your code formatting with Prettier's online playground, which allows you to experiment with different options and see real-time results.

Prettier can restrict itself to only format files that contain a special comment, called a pragma, at the top of the file. This is very useful when gradually transitioning large, unformatted codebases to Prettier.

By default, Prettier automatically infers which parser to use based on the input file extension. Combined with overrides you can teach Prettier how to parse files it does not recognize.

So why choose the “Prettier style guide” over any other random style guide? Because Prettier is the only “style guide” that is fully automatic. Even if Prettier does not format all code 100% the way you’d like, …

Jan 14, 2026 · We're excited to announce that Prettier now fully supports the fresh features landing in Angular v21.1 (released today 🎉)!

This is unreleased documentation for Prettier next version. For up-to-date documentation, see the latest version (stable).

Prettier is an opinionated code formatter. This document explains some of its choices.