pdf-studio-bot
PDF Studio Bot
Your ultimate assistant for PDF management is now on Telegram! Try it now and experience the convenience: just click the button above 🚀
✨ Features
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📥 Download PDFs from URL Simply send a URL and get your PDF file instantly!
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🔒 Add password to your PDF Protect your documents easily by adding a password to any PDF file — directly via Telegram, with just a few taps!
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📄 Split PDFs into individual pages Break down multi-page PDFs into separate files, one page at a time!
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📎 Merge PDFs Send multiple PDF files and merge them into a single document!
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💬 Feedback system Share your thoughts and suggestions to help us improve!
📢 Why use PDF Studio Bot?
- Total convenience: Handle everything directly from Telegram, no installations required!
- Instant results: Send your PDF, choose an action, and receive your result within seconds.
- Privacy and security: Your files are processed with care and confidentiality.
- Free and easy to use: No registration or complicated setup needed.
💡 Who is it for?
- Professionals dealing with confidential documents
- Students and teachers
- Businesses seeking to secure or automate their PDFs
- Anyone who wants to protect and manage their files easily
🤖 Available Commands
/start- Start using the bot/help- Show the list of available commands/download- Download a PDF from a URL/join- Join multiple PDF files into one/putpassword- Protect a PDF with a password/split- Split a PDF into individual pages/feedback- Send us your feedback/version- Show the bot version
🏗️ Tech Stack
- TypeScript - Type-safe development
- grammY - Modern Telegram Bot framework
- @grammyjs/runner - Concurrent update processing
- MongoDB - Database for users and feedback
- Muhammara - PDF manipulation library
- Puppeteer - Headless browser for URL-to-PDF conversion
- Pino - High-performance logging
- Vitest - Fast unit testing framework
📦 Project Structure
src/
├── config/ # Configuration files (bot, browser, database, logger)
├── entities/ # Data models (User, Feedback, Message)
├── enums/ # Enumerations (Commands)
├── errors/ # Custom error classes
├── handlers/ # Command handlers with business logic
├── interfaces/ # TypeScript interfaces
├── messages/ # Bot message templates
├── repositories/ # Data access layer
├── schemas/ # Zod validation schemas
└── types/ # Custom TypeScript types
🚀 Development
# Install dependencies
npm install
# Run in development mode with hot reload
npm run start:dev
# Build for production
npm run build
# Run tests
npm test
# Run tests with coverage
npm run test:cov
# Lint code
npm run lint
# Fix linting issues
npm run lint:fix
🧪 Testing
The project uses Vitest for unit testing with comprehensive test coverage for:
- Handlers (command processing logic)
- Repositories (database operations)
- Messages (response templates)
Run tests with:
npm test # Run all tests
npm run test:cov # Run with coverage report
npm run test:watch # Watch mode for development
🛠️ Stay tuned!
New features are coming soon! Follow the project and be the first to know when new PDF tools are available.