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ESLint Config Generator

Generate modern ESLint 9+ flat config or legacy .eslintrc with TypeScript, React, Next.js, and best practice rules.

Developer
Presets:
15 of 17 active
TypeScript Support@typescript-eslintEnvironment

Enable TypeScript AST parser and dedicated TypeScript linting rules.

Browser Environmentenv.browser: trueEnvironment

Predefine browser global variables (window, document, fetch, navigator).

Node.js Environmentenv.node: trueEnvironment

Predefine Node.js global variables and scoping (process, Buffer, __dirname).

React & JSX Lintingeslint-plugin-reactFrameworks

Enforce standard React best practices, JSX syntax rules, and component patterns.

React Hooks Ruleseslint-plugin-react-hooksFrameworks

Enforce the Rules of Hooks (calls at top level) and exhaustive dependency arrays.

Next.js Linting@next/eslint-plugin-nextFrameworks

Enforce Next.js specific optimizations (Image component, font loader, link prefetching).

Accessibility (a11y) Auditeslint-plugin-jsx-a11yFrameworks

Lint JSX elements for web accessibility standards (alt tags, aria attributes, tab indices).

Disallow console.logno-console: 'warn'Code Quality

Warn or error when debug console statements (console.log, console.debug) are left in code.

Disallow debuggerno-debugger: 'error'Code Quality

Disallow the use of the debugger keyword in source code.

Enforce Strict Equality (===)eqeqeq: ['error', 'always']Code Quality

Require the use of === and !== instead of loose == and != operators.

Prefer const over letprefer-const: 'error'Code Quality

Require const declarations for variables that are never reassigned after declared.

Disallow var declarationsno-var: 'error'Code Quality

Require let or const instead of function-scoped var.

Require Curly Bracescurly: ['error', 'all']Code Quality

Enforce curly braces for all control statements (if, else, for, while).

Disallow Unused Variablesno-unused-vars: 'error'Code Quality

Flag variables, imports, and functions that are declared but never used in the module.

Disallow 'any' Type@typescript-eslint/no-explicit-any: 'warn'TypeScript

Warn against using the escape-hatch 'any' type in TypeScript files.

Enforce 'import type'@typescript-eslint/consistent-type-importsTypeScript

Enforce using 'import type' for type-only imports.

Prettier Conflict Resolvereslint-config-prettierFormatting

Turn off all ESLint rules that are unnecessary or might conflict with Prettier.

Step-by-Step Guide

How to Use ESLint Config Generator

Generate production-ready configurations, code snippets, or assets in seconds with ESLint Config Generator. Customize parameters with an interactive UI and copy or download the results immediately.

1

Input or Paste Your Data

Enter, paste, or upload your source data into the editor or input field provided above for ESLint Config Generator.

2

Customize Options & Settings

Select your desired configuration options, formatting preferences, or parameters. The tool updates and validates in real-time.

3

Copy or Download the Result

Once the output is generated, use the one-click copy button to save the result to your clipboard or download it directly.

Performance & Privacy

Key Features of ESLint Config Generator

100% Client-Side Privacy

All data transformations occur locally in your browser. No server roundtrips, logging, or third-party tracking.

Instant Real-Time Execution

Eliminate wait times and server queues. Calculations, conversions, and rendering happen instantaneously.

Mobile-First & Accessible

Engineered with responsive design, keyboard shortcuts, high-contrast themes, and full WCAG compliance.

Zero Setup & Completely Free

No account registration, no credit cards, and no usage caps. Access the full suite of developer tools anytime.

Real-World Applications

Common Use Cases & Workflows

Software Engineering & Debugging

Inspect payloads, validate syntax errors, and quickly reformat messy code or logs during active development.

API & Backend Integration

Prepare clean data structures, verify response payloads, and generate standard configurations effortlessly.

Rapid Prototyping

Speed up build iterations by generating assets and formatting inputs without opening heavyweight IDEs or CLI tools.

Got Questions?

Frequently Asked Questions

Everything you need to know about using ESLint Config Generator on ToolMate.

Is my data private and secure when using ESLint Config Generator?

Yes, 100%. ToolMate processes your data entirely within your web browser using client-side JavaScript. None of your input code, text, or data structures are sent to remote servers or stored in any database. Your privacy is guaranteed.

How does ESLint Config Generator work?

ToolMate's ESLint Config Generator leverages modern browser APIs and optimized client-side processing algorithms. It parses your input in real time, applies necessary validations or transformations, and outputs the result with zero latency and zero server dependencies.

Can I use ESLint Config Generator offline or on mobile devices?

Yes. ToolMate is responsive and functions as a Progressive Web App (PWA). Once loaded in your browser, you can access and run the tool seamlessly on desktop, tablet, or smartphone even with intermittent or zero internet connectivity.

Is ESLint Config Generator completely free to use?

Yes, ESLint Config Generator is completely free with no usage limits, hidden subscriptions, or account requirements. You can format, convert, or generate output as many times as you need.

Do I need to install any browser extensions or software?

No software installation or plugins are required. ESLint Config Generator runs out of the box in any modern browser including Google Chrome, Mozilla Firefox, Safari, Microsoft Edge, and Brave.

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