A web application that automatically separates color pages from black & white pages in PDF files.
- Upload multiple PDF files
- Automatic color detection with adjustable threshold
- Client-side processing (no server upload required)
- Supports multiple languages (English, Traditional Chinese)
- Download separate color and B&W PDFs
# Install dependencies
pnpm install
# Start development server
pnpm dev
# Build for production
pnpm build- SvelteKit
- TypeScript
- Tailwind CSS
- PDF.js & PDF-lib
- Paraglide.js (i18n)
All PDF processing happens locally in your browser. No files are uploaded to any server.