Skip to content

Code Linters and Formatters for Web Developers

There are many online tools that help you lint or format code. This post list many of the most useful ones for HTML, CSS and JavaScript

Prettier (formatter)

https://prettier.io/playground/

ESLint (linter)

https://eslint.org/demo

JSHint (linter)

http://jshint.com/

Tools for other languages

CSS

HTML

JSON

GraphQL

General purpose (handle more than 1 single syntax)


→ Here's my latest YouTube video

→ I wrote 17 books to help you become a better developer, download them all at $0 cost by joining my newsletter

JOIN MY CODING BOOTCAMP, an amazing cohort course that will be a huge step up in your coding career - covering React, Next.js - next edition February 2025

Bootcamp 2025

Join the waiting list