Route Handler Generator helps you configure and build Next.js apps quickly and accurately, right in your browser. Whether you need to generate next.js app router api route boilerplate with type safety, this tool eliminatesconfiguration errors, routing issues, and optimization gaps by giving you instant, reliable results. Every operation runs locally on your device — nothing is uploaded to any server, so your data stays completely private.
Key Features
HTTP Methods
Toggle GET, POST, PUT, PATCH, DELETE handlers as needed.
TypeScript
Generate typed request handlers with proper NextRequest/NextResponse types.
Middleware
Optionally include middleware, auth checks, and error handling.
One-Click Copy
Copy the complete route handler code to your clipboard.
Common Use Cases
- Generate typed API route boilerplate for a new feature endpoint
- Create CRUD route handlers with proper error handling and validation
- Set up authenticated API routes with middleware and CORS headers
Route Handler Generator
Generate Next.js App Router API route boilerplate with type safety.
import { NextRequest, NextResponse } from class="hljs-string">"next/server"
export async function GET(request: NextRequest) {
// Handle GET/DELETE logic
return NextResponse.json({ message: class="hljs-string">"OK" })
}
export async function POST(request: NextRequest) {
const body = await request.json()
// Handle POST logic
return NextResponse.json({ message: class="hljs-string">"OK" })
}
Frequently Asked Questions
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Route Handler GeneratorGenerate Next.js App Router API route boilerplate with type safety.
What is Route Handler Generator?
Route Handler Generator is a Next.js development utility that generate next.js app router api route boilerplate with type safety. It includes HTTP Methods, TypeScript, Middleware to accelerate your Next.js workflow. All processing happens locally.
Next.js projects involve configuration files, routing decisions, and performance considerations that can slow down development. Route Handler Generator provides focused utilities that generate boilerplate code, visualize configurations, and calculate image optimization parameters — all without leaving your browser. This lets you stay in your development flow while quickly generating the code snippets and configurations your project needs.
Frequently Asked Questions
What HTTP methods can I generate?
GET, POST, PUT, PATCH, and DELETE handlers are all supported. Toggle only the methods you need for clean, minimal boilerplate.
Does it generate TypeScript types?
Yes. The generated handlers use proper NextRequest and NextResponse types from next/server for full type safety.
Can I include middleware or auth checks?
Yes. The generator can optionally include authentication checks, error handling wrappers, and CORS headers in the generated route handler.
Is my code sent to a server?
No. All boilerplate generation happens locally in your browser. Your code never leaves your device.
How does the HTTP Methods feature work?
The HTTP Methods feature toggle get, post, put, patch, delete handlers as needed. It is designed to be intuitive and responsive, giving you immediate feedback as you interact with the tool. All processing happens locally in your browser.
What is the benefit of typescript?
TypeScript generate typed request handlers with proper nextrequest/nextresponse types. This capability sets Route Handler Generator apart from basic alternatives by providing more comprehensive functionality while maintaining the privacy and speed of local processing.
Is Route Handler Generator really free to use?
Yes, Route Handler Generator is completely free with no hidden charges, no sign-up requirements, and no usage limits. You can use it as often as you need, for any purpose — personal projects, commercial work, or educational use. There are no premium tiers or paid features.
Does Route Handler Generator work on mobile devices?
Yes, it works on any device with a modern web browser — desktop, tablet, or phone. The interface is responsive and adapts to your screen size. Since all processing is done locally, you get the same performance regardless of your device.
What happens to my data when I use Route Handler Generator?
Your data never leaves your device. Every operation is performed locally in your browser using JavaScript. No information is uploaded, stored, logged, or shared with any server. This privacy-first approach means you can work with sensitive data — passwords, API keys, personal information — without any risk of exposure.
Key Features
HTTP Methods
Toggle GET, POST, PUT, PATCH, DELETE handlers as needed.
TypeScript
Generate typed request handlers with proper NextRequest/NextResponse types.
Middleware
Optionally include middleware, auth checks, and error handling.
One-Click Copy
Copy the complete route handler code to your clipboard.
Common Use Cases
Route Handler Generator is useful in a variety of scenarios across different workflows:
Generate typed API route boilerplate for a new feature endpoint
Create CRUD route handlers with proper error handling and validation
Set up authenticated API routes with middleware and CORS headers
Tips & Best Practices
Use NextRequest for type safety
Always use NextRequest and NextResponse from next/server for full type safety and built-in cookie and header helpers.
Handle OPTIONS for CORS
Always implement an OPTIONS handler for routes that need to support cross-origin requests from web browsers.
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next.config Visualizer
Parse and explore next.config.js/ts options with descriptions and defaults.
Image Optimization Calculator
Calculate optimal image dimensions, sizes, and srcset for Next.js Image.
Related Guides & Articles
Deepen your knowledge with these next.js guides and tutorials: