A privacy-focused, client-side PDF toolkit that runs entirely in your browser. Process, merge, split, compress, convert, and reorder your PDF files securely without ever uploading them to a server. Built with React and WebAssembly for lightning-fast performance and ultimate privacy.
All PDF processing happens directly in your browser:
- PDF files are never uploaded to any server
- WebAssembly (WASM) is used for fast and secure processing
- When you close your browser, all data is automatically cleared
- Upload and process multiple PDF documents.
- Merge multiple PDFs into a single file.
- Split a PDF into individual pages.
- Compress PDFs to reduce file size with multiple quality levels.
- Delete specific pages from a PDF.
- Page reordering and rotation
- 100% client-side processing using WebAssembly for speed and security.
- No file uploads, no servers, no data collection.
- Modern, responsive UI for desktop and mobile.
- React + Vite: For a fast and modern frontend.
- pdf-lib: For creating and modifying PDF documents in JavaScript.
- pdf.js: For rendering PDFs in the browser.
- Web Workers: To run PDF processing in the background without freezing the UI.
- WebAssembly (WASM): For performance-intensive operations like compression.
- Lucide React: For beautiful and consistent icons.
- Plain CSS: For custom styling and a lightweight footprint.
- Node.js 16.5.0 or higher
- npm 8.1.4 or higher
- Clone the repository
- Install dependencies:
npm install - Start the development server:
npm run dev - Open your browser to the URL shown in the terminal (usually http://localhost:5173)
npm run buildThe output will be in the dist directory and can be deployed to any static web hosting service.
- Text extraction and editing
- Support for password protected PDFs
- Advanced annotation tools (highlight, underline, notes)
- Digital signatures
- PDF form filling
This project is open source and licensed under the MIT License.