Webpack Config Generator

Generate a modern webpack.config.js for Webpack 5 with loaders, plugins, and dev server options.

Webpack Config Generator

Create a Webpack 5-ready webpack.config.js with the options you need.

Copy / Download
Project Options

Choose a baseline config and generate instantly.

Generated webpack.config.js

Copy or download the file. Install dependencies shown below.

Ready when you are.

Keep the defaults to generate a standard development config, or toggle features like TypeScript, React, Sass, and dev server.

About Webpack Config Generator

Webpack Config Generator for webpack.config.js

Build a dependable webpack.config.js without guesswork. This Webpack Config Generator creates a complete configuration file based on a few practical options—mode, entry/output, JavaScript tooling, styles, and asset handling—so you can start bundling immediately. Instead of stitching together random snippets, you get a coherent baseline that is easy to read, easy to extend, and aligned with modern Webpack 5 conventions.

Whether you are setting up a brand-new repository, standardizing configs across a team, or learning how loaders and plugins work together, this tool gives you a clean starting point. Generate the config, install the referenced dependencies, and iterate from a stable foundation.

How It Works

The generator walks you through the decisions that matter most in real projects. You choose a build mode (development or production), provide an entry file path, select an output directory and filename, and then enable optional features such as Babel, TypeScript, React JSX, CSS/Sass pipelines, asset modules, and a development server. The tool then composes a single configuration that is internally consistent: extensions match your language choices, rules are ordered logically, and plugins appear only when they are actually needed.

The output uses a conventional structure many teams prefer: explicit entry and output, a module.rules array for loaders, a plugins array for optional behavior like HTML templating and CSS extraction, and a devServer block if you enable local serving. You can copy the result to your clipboard or download it as webpack.config.js to drop straight into your project.

What you provide

  • Mode: Development for fast feedback or Production for optimized bundles.
  • Entry file: The main file Webpack should start from (for example, src/index.js or src/main.tsx).
  • Output settings: Output folder (like dist) and filename (like bundle.js or [name].[contenthash].js).
  • Code features: Babel for modern JavaScript, TypeScript for typed code, and React JSX/TSX handling.
  • Styling: Basic CSS loading, optional Sass, and optional production CSS extraction.
  • Assets: Image/font rules using Webpack 5 Asset Modules for a lighter dependency footprint.
  • Dev tooling: Source maps, dev server, and SPA history fallback when appropriate.

After generating the file, your next step is to install the packages the config references (loaders and plugins) via npm, pnpm, or yarn. The config is designed to be explicit about what it expects, making it easy to map each rule to the dependency you need.

Key Features

Readable by default

The generated config avoids unnecessary indirection. It favors straightforward objects over clever helper functions so a new teammate can understand the build in minutes. This is especially helpful when debugging loader order, plugin interactions, or output naming.

Development and production tuning

Switching mode changes how the config behaves. Development mode commonly uses faster source maps and keeps output naming simple. Production mode enables optimizations and can switch to content-hashed filenames for long-term caching. The generator structures these choices in a way that is easy to split into separate dev/prod configs if you decide to later.

Babel support for modern JavaScript

If you enable Babel, the tool emits a babel-loader rule for .js/.jsx (and optionally .ts/.tsx if you combine Babel with TypeScript). This helps you transpile modern syntax down to targets you define in your Babel setup. The config keeps Babel configuration minimal so you can decide whether to use a .babelrc or inline options.

TypeScript pipelines that fit your preference

Many teams choose either ts-loader (TypeScript compiler-driven) or Babel-based TypeScript transforms for speed. The generator can produce a basic TypeScript rule so you can start compiling immediately. You can then add type checking (for example, with a plugin) when you are ready, without having to rework the entire bundler setup.

React JSX and TSX support

Enable React to generate rules that match JSX and TSX extensions, plus output that fits typical React app structures. This provides a stable baseline for SPA builds, component libraries, and embedded widgets.

CSS and Sass made practical

Choose simple style loading for development or add Sass support when you need variables, nesting, and mixins. For production, the generator can output an extraction-friendly setup so styles can be cached and served efficiently. The templates stay close to common Webpack patterns, so you can later add PostCSS, autoprefixing, or CSS Modules if required.

Webpack 5 Asset Modules for images and fonts

When enabled, the config uses Asset Modules (for example asset/resource) to emit images and fonts to your output directory. This is a modern replacement for older file-loader patterns. It keeps dependencies smaller and works well for typical web applications and marketing sites.

HTML template support

If you want a complete bundle pipeline, an HTML plugin option can generate an index.html that includes your bundle automatically. This is useful for SPAs, demos, and static deployments where you want the build to manage script tags for you.

Copy, reset, and download

The tool offers a quick workflow: start from realistic defaults, generate output, copy it, or download it. You can also reset the form to defaults to explore different combinations without manually clearing fields.

Use Cases

  • Bootstrap a new app: Create a working bundler setup for a new JavaScript/TypeScript codebase in minutes.
  • Standardize multiple repos: Produce a consistent baseline config for several projects maintained by the same team.
  • Replace legacy builds: Move away from scattered scripts and outdated boilerplate by generating a clean Webpack 5 foundation.
  • Build a component library: Start with a simple entry/output pipeline and add externals or multiple entries later.
  • Internal tooling and dashboards: Quickly assemble dev server and asset handling for admin apps.
  • Training and onboarding: Use the generated config as a teaching aid: each section maps directly to a Webpack concept.
  • Prototyping: Toggle React, TypeScript, Sass, and dev server options to match the prototype you are building.

In practice, teams spend a lot of time maintaining build configurations. A stable generator output reduces initial setup time and helps keep decisions consistent across projects. You still have full control: you can add environment variables, performance budgets, multiple entry points, or advanced plugins when your requirements demand them.

Because the generated config is intentionally conservative, it is suitable for a wide range of deployments. You can deploy a production bundle to a CDN, serve from a simple static host, or integrate it into a full-stack framework where assets are compiled during CI/CD.

Optimization Tips

Separate dev and prod when your project grows

At the start, a single config file is easier to manage. As your app grows, consider splitting into webpack.dev.js and webpack.prod.js (or using a merge strategy). Keep development focused on fast rebuilds and good debugging, and keep production focused on small output, caching, and long-term stability.

Use content hashes for caching

When shipping to production, content-hashed filenames help browsers cache assets safely. If a file’s content does not change, its hash stays the same and the browser can reuse the cached copy. If the content changes, the filename changes too, ensuring users receive the latest bundle without manual cache busting.

Choose the right source map strategy

Source maps are invaluable during development, but they can add build time and output size. For local debugging, a fast source map mode is often enough. For production, you may want a hidden source map or no source map at all depending on your security and support needs. The generator lets you toggle source maps so you can balance speed and visibility.

Extract CSS when it improves runtime performance

Inlining CSS via JavaScript can be convenient during development, but extracting CSS is often better for production. Separate CSS files can be cached independently and loaded earlier in the page lifecycle. If your application has significant styling, extraction can improve perceived performance and reduce runtime overhead.

Audit bundle size early

Even with good defaults, bundles can grow quickly. Use analysis tools to identify large dependencies, then apply strategies like code splitting, dynamic imports, and removing unused polyfills. A clean baseline config makes it easier to add these improvements in a controlled way.

FAQ

No. The tool generates the configuration file only. You still need to install the loaders and plugins referenced by the config using your preferred package manager. This approach keeps the generator flexible and avoids assumptions about your lockfile or package manager.

Yes. The generator uses Webpack 5-friendly conventions and can output asset rules using Webpack 5 Asset Modules. If you use older Webpack versions, you may need to adjust loader choices and plugin versions accordingly.

Yes. Generate one mode at a time and save the outputs as separate files. Many teams then refine them into webpack.dev.js and webpack.prod.js. The generator output is intentionally clean so splitting is straightforward.

Yes. If you enable both React and TypeScript, the config will match .tsx and treat it as a supported extension. You can then choose whether to compile with ts-loader or a Babel-based approach depending on your team’s preferences.

Use the generator as a baseline. Advanced features depend on architecture, deployment constraints, and runtime requirements. Start with a stable build pipeline, verify it works, then introduce specialized plugins and settings with targeted documentation.

Why Choose This Tool

Webpack can solve almost any bundling problem, but that flexibility makes initial configuration feel repetitive. Every project needs the same foundational decisions: where your code starts, where bundles should land, how to transform source files, and how to include styles and assets. This generator packages those decisions into a repeatable workflow so you spend less time on boilerplate and more time building features.

The generated output is intentionally conservative and widely compatible. It avoids exotic patterns and focuses on a clean baseline that you can evolve: add environment variables, set performance hints, enable persistent caching, introduce multiple entry points, or integrate with a monorepo. By starting from a readable configuration, you can grow complexity only when requirements demand it, keeping your build system maintainable over time.