{DT}DevToolkit

Node.js Tools

5 free tools available

Essential tools for Node.js developers. Debug runtime errors with detailed explanations, analyze ESM/CJS module compatibility, visualize package-lock.json dependencies, check npm package version compatibility, and optimize Dockerfiles for Node.js applications.

Error Explainer

Understand and fix Node.js errors instantly

AI-powered explanationsStep-by-step solutionsCommon error patterns

ESM/CJS Analyzer

Check package.json for module compatibility issues

Compatibility analysisExport field checkType detection

Lockfile Visualizer

Analyze package-lock.json dependencies

Interactive tree viewDuplicate detectionVersion comparison

Package Compatibility

Check npm packages for Node.js version compatibility

Version checkingEngine analysisBulk package check

Dockerfile Optimizer

Optimize Dockerfiles for Node.js apps

Optimization tipsMulti-stage buildsLayer analysis

About Node.js Tools

Essential tools for Node.js developers. Debug runtime errors with detailed explanations, analyze ESM/CJS module compatibility, visualize package-lock.json dependencies, check npm package version compatibility, and optimize Dockerfiles for Node.js applications.

Features

  • Free Forever: All tools are completely free with no hidden costs or premium features.
  • Privacy First: Your data never leaves your browser. All processing happens client-side.
  • No Sign-up Required: Start using any tool immediately without creating an account.
  • Fast & Reliable: Tools load instantly and work offline once loaded.

Available Tools