PDF Tool

Merge and split PDFs directly in your browser. 100% client-side, no uploads, no signup, free forever.

PDF Tool is a browser-based utility for merging and splitting PDF files. All processing happens locally on your device — your files never leave your computer.

Features

• Merge PDFs — Combine multiple PDFs into one document with drag-and-drop page reordering
• Split PDFs — Extract specific pages from a PDF into a new file
• 100% Private — Files processed entirely in-browser, zero server uploads
• No Signup Required — Just open and use
• Free Forever — No limits, no hidden charges
• Offline Capable — Works after initial load (PWA-ready)

Tech Stack

Layer	Technology
Framework	Next.js 16
Language	TypeScript
Styling	Tailwind CSS v4
PDF Engine	pdf-lib (client-side)
Drag & Drop	dnd-kit
Icons	Lucide React

Getting Started

npm install
npm run dev

Build

npm run build
npm start

Deploy

Deploy to Vercel with zero configuration:

npm i -g vercel
vercel

Or connect your GitHub repository directly at vercel.com.

Project Structure

pdf-tool/
├── app/              # Next.js App Router pages & layout
│   ├── merge/        # Merge PDF page
│   └── split/        # Split PDF page
├── components/       # Reusable UI components
│   ├── navbar.tsx
│   ├── file-dropzone.tsx
│   ├── page-list.tsx
│   ├── merge-tool.tsx
│   └── split-tool.tsx
├── lib/              # Business logic
│   └── pdf.ts        # PDF merge/split operations
└── public/           # Static assets

License

MIT