ESLint Flat Config Builder — Free & Private

Interactive wizard to generate modern ESLint 9+ flat configuration files (eslint.config.js/mjs)

Part of Project & Config Toolkit. Runs 100% in your browser: your files and data never leave your device. No signup, no ads.

More in Project & Config Toolkit

• TSConfig Validator & Explainer
• Package.json Validator & Auditor
• Docker Compose Linter
• Dockerfile Best Practices Linter
• .gitignore Generator
• Changelog Generator
• ENV File Manager
• SemVer Calculator
• NPM Package Size Estimator

Browse all free tools