If you've ever started a new project and found yourself rewriting the same setup code again, you’ve already worked with boilerplate code. It’s something developers constantly use, even if they don’t always think much about it.
This guide explains what boilerplate code actually means, where it appears, when it’s useful, and when it can become a problem. We’ll also cover how modern solutions like a Next.js boilerplate or a SaaS starter kit can reduce setup time from several days to just a few minutes.
What Is Boilerplate Code?
Boilerplate code refers to code that gets reused across different applications or projects with little or no modification. It’s the standard foundation developers put in place before building the parts that make a project unique.
A simple comparison is a lease agreement template. Lawyers don’t create a brand-new contract every single time. They begin with a reusable template and customize only the necessary details.
Software development works similarly. Boilerplate code acts as the base structure developers copy, generate, or reuse before adding custom business logic.
Some common examples:
Project folder structure
Configuration files
Authentication setup
Database connection logic
Error handling wrappers
API route handlers
Why Is It Called Boilerplate Code?
The phrase originated in the newspaper industry during the 1800s. Publishers used steel printing plates, known as “boilerplates,” to reproduce the same content repeatedly without rewriting it.
Later, lawyers adopted the term to describe standard legal wording used across contracts. Software developers eventually borrowed the same concept.
In every case, the meaning stays consistent: reusable, standardized material that changes very little between uses.
What Is Boilerplate Code Used For?
Boilerplate code takes care of the required parts of a project that aren’t unique to the product itself. It provides a functional starting point so developers can spend more time building actual features.
Here are some common areas where boilerplate appears:
Project initialization: Most applications require a basic folder structure, dependency management, and configuration setup. Boilerplate handles these repetitive tasks from the start.
Authentication: Features like sign-up, login, logout, password recovery, and session handling are extremely similar across many applications.
Database setup: Connecting databases, running migrations, and creating base models usually follow repeatable patterns.
API structure: Routing, middleware configuration, validation, and standardized error responses often look nearly identical between projects.
Testing setup: Testing frameworks, mock services, and coverage configurations are commonly reused setups across projects.
Why Do We Use Boilerplate Code?
There are three major reasons developers rely on boilerplate code:
Speed. Starting every project from scratch consumes unnecessary time. Boilerplate allows developers to skip repetitive setup work and focus on core functionality.
Consistency. Using the same structure across projects makes codebases easier to understand and maintain. It also helps new team members onboard more quickly.
Fewer mistakes. Established boilerplate solutions are usually tested and refined over time. Developers avoid repeatedly solving problems that already have reliable solutions.
That’s one reason tools like Next.js starter kits and SaaS boilerplates have become so common. They help teams bypass weeks of repetitive setup and move directly into building real product features.
Boilerplate Code Examples
HTML Boilerplate Code Example
Every HTML page starts with the same base structure:
<!DOCTYPE html>
Page Title
<!-- Your content here -->
This is one of the most recognized examples of boilerplate code. It doesn't do anything unique. It just sets up the document correctly so the rest of your code works.
Java Boilerplate Code Example
Java is known for requiring a lot of boilerplate. A simple "Hello, World" program looks like this:
public class Main {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}
Even to print one line, you need a class declaration, an access modifier, a static method, and a return type. That's a lot of setup for very little output.
More complex Java boilerplate often includes:
// Getter and setter for a simple class
public class User {
private String name;
private String email;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}
This is repetitive, but it's required. Modern Java and tools like Lombok reduce this significantly.
React Boilerplate Code Example
A basic React component follows the same pattern every time:
import React from 'react';
function MyComponent() {
return (
Hello
);
}
export default MyComponent;
When you scale this to dozens of components, the imports, function structure, and exports become obvious boilerplate.
Next.js API Route Boilerplate
// pages/api/example.js
export default function handler(req, res) {
if (req.method === 'GET') {
res.status(200).json({ message: 'Success' });
} else {
res.status(405).json({ message: 'Method not allowed' });
}
}
This handler structure is the same for almost every API route in a Next.js project. It's textbook boilerplate.
What Is Boilerplate Code in HTML?
HTML boilerplate is the standard foundation every valid HTML page requires. These days, most developers rarely type it manually.
In VS Code, you can simply type ! and press Tab to instantly generate the complete HTML5 boilerplate. It’s one of the most commonly used shortcuts in modern web development.
A typical HTML5 boilerplate includes:
<!DOCTYPE html> declaration
with a language attribute
with charset and viewport meta tags
A
tag</p>
<p>An empty <body></p>
<p>Without this foundational structure, browsers can interpret and display pages differently. The purpose of HTML boilerplate is to create consistency across environments and ensure pages render correctly.</p>
<p>What Is Boilerplate Code in Java?</p>
<p>Compared to many modern programming languages, Java is known for requiring a larger amount of boilerplate code. Much of this comes from Java’s design philosophy, which emphasizes explicit structure and readability.</p>
<p>Java often requires developers to clearly define types, visibility, and program structure rather than relying heavily on shortcuts or implicit behavior.</p>
<p>Typical examples of Java boilerplate include:</p>
<p>Class declarations and access modifiers</p>
<p>public static void main(String[] args) in every executable class</p>
<p>Getter and setter methods for every private field</p>
<p>Constructor definitions</p>
<p>Exception handling blocks</p>
<p>Interface implementations</p>
<p>For a long time, this level of verbosity was viewed as beneficial because explicit code can be easier to understand, debug, and maintain. However, as applications became larger and more complex, repeatedly writing the same structural code started to slow development and increase maintenance overhead.</p>
<p>Modern Java (version 14+) introduced records to eliminate getter/setter boilerplate:</p>
<p>// Old way (many lines)</p>
<p>// vs.</p>
<p>public record User(String name, String email) {}</p>
<p>// Getters auto-generated</p>
<p>Frameworks like Lombok reduce boilerplate further with annotations like @Getter, <a class="mentioned-user" href="https://dev.to/setter">@setter</a>, and <a class="mentioned-user" href="https://dev.to/data">@data</a>.</p>
<p>How to Reduce Boilerplate Code in React</p>
<p>React on its own isn’t especially verbose, but as applications grow, repetitive patterns and setup code can quickly pile up. Fortunately, there are several ways to reduce unnecessary boilerplate and keep projects easier to manage.</p>
<p>Use component generators. Tools like Plop.js allow you to create reusable templates for components. Instead of manually setting up files and structure each time, you can generate consistent components with a single command.</p>
<p>Create custom hooks. If you notice the same useEffect or useState logic appearing across multiple components, move that logic into a custom hook. This keeps components cleaner and improves code reuse.</p>
<p>// Instead of repeating this:</p>
<p>const [data, setData] = useState(null);</p>
<p>const [loading, setLoading] = useState(true);</p>
<p>useEffect(() => {</p>
<p> fetch('/api/data').then(res => res.json()).then(setData);</p>
<p>}, []);</p>
<p>// Create a reusable hook:</p>
<p>function useFetch(url) {</p>
<p> const [data, setData] = useState(null);</p>
<p> const [loading, setLoading] = useState(true);</p>
<p> useEffect(() => {</p>
<p> fetch(url).then(res => res.json()).then(data => {</p>
<p> setData(data);</p>
<p> setLoading(false);</p>
<p> });</p>
<p> }, [url]);</p>
<p> return { data, loading };</p>
<p>}</p>
<p>Use a context provider pattern. Passing props through multiple layers of components can become difficult to maintain. React Context lets you centralize shared state and logic so it can be accessed wherever it’s needed.</p>
<p>Start with a Next.js boilerplate or SaaS starter. A solid Next.js SaaS starter typically includes authentication, routing, database integration, API setup, and other foundational features out of the box. Instead of rebuilding these systems repeatedly, you can start developing features immediately.</p>
<p>Use TypeScript with strict types.TypeScript’s type inference reduces the amount of manual type annotation needed while still improving reliability and developer experience.</p>
<p>Use code snippets. Editors like VS Code support snippets that expand short commands into complete component templates. This speeds up development and reduces repetitive typing.</p>
<p>Is Boilerplate Code Good or Bad?</p>
<p>Boilerplate code can be extremely useful or unnecessarily harmful depending on how it’s used.</p>
<p>Boilerplate is good when:</p>
<p>It creates consistency across a development team</p>
<p>It speeds up the initial setup process</p>
<p>It’s stable, tested, and helps prevent common bugs</p>
<p>It handles repetitive infrastructure tasks like authentication, routing, or database configuration</p>
<p>Boilerplate is bad when:</p>
<p>Developers copy and paste it without understanding how it works</p>
<p>It introduces extra complexity without clear benefits</p>
<p>It becomes outdated and is no longer maintained</p>
<p>It replaces proper architectural planning and decision-making</p>
<p>The issue usually isn’t boilerplate itself. The problem comes from relying on boilerplate blindly. For example, using a SaaS starter kit without understanding its internal structure can create long-term maintenance and debugging challenges.</p>
<p>What Is the Difference Between Boilerplate Code and an API?</p>
<p>Boilerplate code and APIs are connected concepts, but they serve different purposes.</p>
<p>Boilerplate Code</p>
<p>Boilerplate is reusable setup code that exists inside your own application. You include it directly in your codebase, which means you’re responsible for maintaining and updating it.</p>
<p>API (Application Programming Interface)</p>
<p>An API is a service or interface provided by another system that your application communicates with. The functionality exists externally, usually on someone else’s servers, and they are responsible for maintaining it.</p>
<p>Example:</p>
<p>// Boilerplate: your own auth setup code</p>
<p>function hashPassword(password) {</p>
<p> return bcrypt.hash(password, 10);</p>
<p>}</p>
<p>// API call: using an external service</p>
<p>const response = await fetch('<a href="https://api.stripe.com/v1/charges">https://api.stripe.com/v1/charges</a>', {</p>
<p> method: 'POST',</p>
<p> headers: { Authorization: Bearer ${STRIPE_KEY} },</p>
<p> body: JSON.stringify({ amount: 1000, currency: 'usd' })</p>
<p>});</p>
<p>The boilerplate is yours. The API call reaches out to Stripe's infrastructure.</p>
<p>Sometimes they overlap. An API SDK comes with its own boilerplate setup code. But the two terms describe different things.</p>
<p>Boilerplate Code Shortcuts & Best Practices</p>
<p>Shortcuts</p>
<p>HTML boilerplate shortcut in VS Code: Type ! and press Tab. Done. Full HTML5 template in one keystroke.</p>
<p>React component shortcut: Install the "ES7+ React/Redux/React-Native snippets" extension. Type rafce and press Tab to generate a full arrow function component with export.</p>
<p>Next.js page shortcut: Type nfne (Next.js functional component with no export) or nfc for a named component.</p>
<p>Emmet abbreviations: Emmet is built into VS Code. Typing div.container>ul>li*5 and pressing Tab generates nested HTML with five list items.</p>
<p>Best Practices for Using Boilerplate Code</p>
<p>Review what you start with. Before adopting any boilerplate or starter kit, take time to inspect the codebase. Understanding what’s included makes customization, debugging, and long-term maintenance much easier.</p>
<p>Keep boilerplate files consistent. Use tools like ESLint and Prettier to maintain a consistent structure and coding style across projects and team members.</p>
<p>Version your templates. If your team maintains custom boilerplate, store it in a dedicated repository with version control. This creates a reliable history of changes and improvements.</p>
<p>Update Dependencies regularly. Starter kits and boilerplate often rely on many third-party packages. Review and update dependencies regularly to avoid security vulnerabilities and compatibility issues.</p>
<p>Document what you removed. When removing unused functionality from a starter kit, leave documentation explaining what was removed and why. This helps future developers understand past decisions.</p>
<p>Avoid Overengineering. Good boilerplate should solve common development problems, not attempt to cover every possible edge case. Overly complicated templates often become difficult to maintain.</p>
<p>Next.js Boilerplate and SaaS Starter Kits</p>
<p>Modern web development relies heavily on starter kits and reusable foundations. A typical Next.js boilerplate provides a preconfigured structure with routing, API support, environment setup, and development tooling already in place.</p>
<p>A SaaS boilerplate usually extends this foundation by including features commonly needed in subscription-based products, such as:</p>
<p>Authentication (email/password, OAuth, magic links)</p>
<p>User management and roles</p>
<p>Subscription billing (Stripe integration)</p>
<p>Database setup (usually Prisma + PostgreSQL)</p>
<p>Email sending</p>
<p>Admin dashboard basics</p>
<p>Multi-tenant support in advanced kits</p>
<p>What to Look for in the Best SaaS Starter Kit</p>
<p>Not every starter kit is worth using. Strong starter kits usually share several important qualities.</p>
<p>Active maintenance. A project that hasn’t been updated in a long time may contain outdated dependencies or unsupported patterns. Reviewing GitHub activity is a good starting point.</p>
<p>Clear documentation. Good documentation makes it easier to understand the architecture, customise features, and onboard new developers.</p>
<p>Modular structure. Well-structured boilerplates allow developers to remove features they don’t need without affecting the rest of the application.</p>
<p>TypeScript support. Type safety helps reduce bugs and improves maintainability, especially in larger applications.</p>
<p>Multi-tenant architecture. For SaaS products built around teams, organizations, or workspaces, multi-tenancy should be designed into the architecture early. Adding it later is usually expensive and complicated.</p>
<p>Test coverage. Starter kits with automated tests are generally more reliable and easier to maintain than those without testing infrastructure.</p>
<p>Popular Next.js Starter and SaaS Boilerplate Options</p>
<p>The ecosystem includes several well-known options:</p>
<p>Bulletproof Next.js - Known for opinionated structure and clean architecture patterns</p>
<p>T3 Stack - Combines Next.js, tRPC, Prisma, and Tailwind</p>
<p>Shadcn/ui starters - UI-focused starting points with excellent component libraries</p>
<p>ShipFast - A commercial Next.js SaaS boilerplate focused on shipping fast. Includes auth, payments, and email out of the box. Popular with indie hackers and solo founders.</p>
<p>MakerKit - A well-structured Next.js and Firebase (or Supabase) SaaS starter. Strong focus on multi-tenancy, team accounts, and clean separation of concerns.</p>
<p>Bedrock - A full-stack Next.js boilerplate built for production. Covers auth, subscriptions, and a component library. Aimed at teams that want a solid, scalable foundation without starting from scratch.</p>
<p>Kostra - A Next.js SaaS starter kit built for teams that need to move fast without cutting corners. Kostra includes authentication, billing, multi-tenant support, and a clean architecture that scales. It's actively maintained, well-documented, and designed so you understand everything inside it. If you want a SaaS boilerplate you can own, not just copy, Kostra is worth a close look.</p>
<p>When evaluating a Next.js SaaS template, ask: how much of this will I actually use? A kit with 50 features you don't need is not an advantage.</p>
<p>Boilerplate Code AI</p>
<p>AI tools have changed how developers work with boilerplate. Tools like GitHub Copilot and Claude can:</p>
<p>Generate standard component structures on demand</p>
<p>Suggest boilerplate for new file types</p>
<p>Refactor repeated patterns into reusable abstractions</p>
<p>Write configuration files from natural language prompts</p>
<p>This doesn't replace understanding your boilerplate. It speeds up writing it. The developer still needs to review what was generated.</p>
<p>The best approach is to combine AI-assisted generation with a solid starter kit. You get speed without losing control.</p>
<p>FAQs</p>
<p>What is an example of boilerplate code?</p>
<p>The HTML5 template is the most widely known example. Every valid web page starts with <!DOCTYPE html>, a <head> section with charset and viewport meta tags, and an empty <body>. You write this the same way every time. That's boilerplate.</p>
<p>In React, a basic functional component with import and export is also boilerplate. In Java, the public static void main(String[] args) method is boilerplate you can't avoid.</p>
<p>What is a boilerplate example?</p>
<p>Outside of code, a boilerplate example is a standard contract clause that appears in almost every legal agreement. "Governing law," "severability," and "entire agreement" sections are boilerplate. They don't change per client. They're standard, reusable text.</p>
<p>In software, any code that looks the same across multiple files or projects is boilerplate.</p>
<p>Is boilerplate code good or bad?</p>
<p>It depends on how it's used. Boilerplate is good when it standardizes proven patterns and speeds up setup. It's bad when it's used blindly, kept outdated, or treated as a substitute for understanding the code.</p>
<p>Good developers treat boilerplate as a starting point, not a finished product.</p>
<p>What is the concept of boilerplate?</p>
<p>Boilerplate refers to any standardized, reusable content that gets repeated across different contexts with minimal change. The term applies to legal documents, journalism, and software equally. In code, boilerplate is the scaffolding you set up before writing anything unique to your product.</p>
<p>Boilerplate code in HTML</p>
<p>HTML boilerplate is the base document structure required by every valid HTML5 page. It includes the DOCTYPE declaration, language attribute, <head> with charset and viewport meta tags, and an empty <body>. In VS Code, typing ! and pressing Tab generates this instantly.</p>
<p>Boilerplate code shortcut</p>
<p>In VS Code:</p>
<p>HTML boilerplate: type ! then Tab</p>
<p>React arrow function component: type rafce then Tab (requires ES7 snippets extension)</p>
<p>Next.js component: type nfc then Tab</p>
<p>Emmet shortcuts expand HTML structure from abbreviations</p>
<p>Boilerplate code example</p>
<p>// Next.js API route boilerplate (appears in nearly every project)</p>
<p>export default function handler(req, res) {</p>
<p> if (req.method === 'GET') {</p>
<p> res.status(200).json({ data: [] });</p>
<p> } else {</p>
<p> res.status(405).end();</p>
<p> }</p>
<p>}</p>
<p>This structure is identical across most Next.js API routes. You write it once, then repeat the pattern.</p>
<p>What is AI Boilerplate code?</p>
<p>AI tools like GitHub Copilot, Cursor, and Claude generate boilerplate on demand. Type a comment describing what you need, and the AI suggests the standard setup. This is useful for config files, component scaffolding, and database models.</p>
<p>The limitation is that AI-generated boilerplate still needs human review. AI can reproduce patterns, but it doesn't know your project's specific requirements, security policies, or architectural decisions.</p>
<p>Conclusion</p>
<p>Boilerplate code is unavoidable. Every project starts with it, and every developer uses it. The goal isn't to eliminate it. The goal is to use it intentionally.</p>
<p>Understand what's in your starter. Keep it updated. Strip what you don't need. And when you find yourself writing the same code for the third time, stop and build a template.</p>
<p>If you're building a SaaS product with Next.js, a solid Next.js SaaS starter or SaaS boilerplate can cut your time to launch significantly. Just choose one with active maintenance, clear documentation, and an architecture you actually understand.</p>
<p>The best boilerplate is the kind you can explain to a new team member in five minutes. If you can't, it's not working for you.</p>
Top comments (0)