Free utilities for Node.js and Express backends. Debug tokens, hash passwords, scaffold servers, and build deploy configs — all in your browser.
Paste any JWT and instantly decode the header, payload, and signature. See expiry, issuer, claims, and algorithm at a glance.
Generate a complete package.json with scripts, engines, license, and common fields filled in for your project type.
Generate a comprehensive .gitignore file for Node.js projects. Covers npm, yarn, pnpm, common editors, and OS files.
Generate a production-ready multi-stage Dockerfile for Node.js apps. Supports npm, yarn, pnpm, and Alpine/Debian base images.
Generate Express.js router files with full CRUD endpoints, input validation middleware, and async error handling.
Define your environment variables and get a .env.example file plus a Zod or Joi validation schema to match.
Paste any npm command and get the yarn and pnpm equivalents instantly. Works for install, run, exec, publish, and more.
Generate bcrypt hashes with configurable cost rounds — matches what `bcrypt` and `bcryptjs` produce. Use for seeding test users or comparing with stored hashes (never paste production secrets).
Design a consistent JSON API envelope (data, error, meta) and get Express handler stubs plus JSON Schema — aligned with typical Node REST and `res.json()` patterns.
Regex tester, JSON to Pydantic, cron builder, type hints generator, and more free Python utilities.
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