ESLint

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

ESLint is ranked #1 of 33 in linters on Inferse. It runs on API, Browser extension, Self-hosted. There is a free plan.

Compared on linters

Free plan: Yeseslint.org
Languages supported: 1eslint.org
Autofix: Yeseslint.org
Custom rules: Yeseslint.org
Security rules: Yeseslint.org
IDE support: ideeslint.org
CI support: Yeseslint.org

Facts

Purpose: ESLint statically analyzes JavaScript code to find and fix problems.eslint.org · 30 Sept 2026
Open source: ESLint is an open source JavaScript linting utility originally created by Nicholas C. Zakas in June 2013.eslint.org · 30 Sept 2026
Pluggability: Every ESLint rule is pluggable, and additional rules and formatters can be loaded at runtime.eslint.org · 30 Sept 2026
Automatic fixes: Many problems ESLint finds can be automatically fixed with syntax-aware fixes.eslint.org · 30 Sept 2026
Customization: Users can preprocess code, use custom parsers, and write custom rules alongside built-in rules.eslint.org · 30 Sept 2026
Node.js requirement: ESLint requires Node.js ^20.19.0, ^22.13.0, or >=24 with SSL and ICU support.eslint.org · 30 Sept 2026
Command line and API: ESLint provides a command-line interface and a Node.js API for programmatic linting.eslint.org · 30 Sept 2026
Editor integrations: Official documentation lists integrations for Visual Studio Code, JetBrains IDEs, Vim, Neovim, Emacs, Sublime Text, and other editors.eslint.org · 30 Sept 2026
Build and CI integrations: Documented integrations include Grunt, Webpack, Rollup, Git hooks, and CI-oriented tools such as Mega-Linter.eslint.org · 30 Sept 2026
Language ecosystem: Plugins can add support for JavaScript extensions, TypeScript, React, Angular, Markdown, and other languages or frameworks.eslint.org · 30 Sept 2026
Security reporting: Security vulnerabilities should be reported through GitHub's create-an-advisory form.eslint.org · 30 Sept 2026
Version support: The ESLint team supports the current major version continuously and the previous version with limited support for six months.eslint.org · 30 Sept 2026
Commercial support: Commercial support is available through Tidelift for current and maintenance releases and HeroDevs for end-of-life releases.eslint.org · 30 Sept 2026
Governance: ESLint is part of the OpenJS Foundation, which provides legal infrastructure and owns related intellectual property while not running day-to-day operations.eslint.org · 30 Sept 2026