Build Your Own PDF Merger and Splitter

This project involves creating a versatile PDF merger and splitter tool that allows users to combine multiple PDF files into a single document or divide a single PDF into multiple documents. The platform aims to provide a user-friendly interface with robust features for both casual users and professionals.

The "Build Your Own PDF Merger/Splitter" project aims to develop a web-based application that offers seamless functionality for managing PDF documents. This tool will support various file operations, making it easier for users to organize and manipulate their PDF files according to their needs.

In today's digital environment, efficient document management is crucial for both personal and professional use. This project will create a platform that empowers users to handle their PDF files effortlessly, enhancing productivity and accessibility. Here's a more detailed look at how users will interact with the tool:

User Registration and Authentication

  • Sign Up: New users can create an account by providing a username, email, and password. Upon registration, they will receive a confirmation email to verify their account. 

  • Login: Registered users can log in using their email and password. For enhanced security, the tool will support multi-factor authentication (MFA).

Document Management Features

  • PDF Merger: Users can upload multiple PDF files to merge them into a single document, with options to arrange the order of the files.

  • PDF Splitter: Users can upload a PDF file and specify pages or ranges to split it into separate documents.

  • Preview Functionality: Users can preview the merged or split documents before finalizing the operation.

File Management 

  • Upload and Download: Users can easily upload files from their local devices and download the processed documents.

  • File History: Users can view a history of their recent file operations for quick access. Administrator Features 

  • User Management: Administrators can manage user accounts, including resetting passwords and handling queries.

  • Monitor Usage: Administrators can monitor application usage and performance metrics.

Objectives

  • Allow users to sign up, log in, and manage their accounts.

  • Enable users to merge multiple PDF files into a single document.

  • Facilitate the splitting of a single PDF into multiple documents. 

  • Provide a preview feature for users to review their actions before finalizing.

  • Ensure secure access and user data protection.

Functional Requirements

User Management

  • Sign Up: Users can create an account by providing the necessary information. 

  • Login: Users can log in using their email and password. 

  • Profile Management: Users can update their profile information.

PDF Management 

  • Merge PDFs: Users can upload multiple PDF files to merge. 

  • Split PDFs: Users can upload a PDF and specify pages to split. 

  • Preview PDFs: Users can preview merged or split documents before processing.

File Operations

  • Upload File: Users can upload files from their devices. 

  • Download File: Users can download the processed PDF documents.

Non-Functional Requirements

  • Scalability: The application should handle a growing number of users and file operations efficiently. 

  • Performance: The tool should process files quickly with minimal latency. 

  • Security: Implement authentication and authorization mechanisms to protect user data. 

  • Reliability: The application should be highly available and handle errors gracefully.

  • Usability: The tool should be easy to use and well-documented.

Use Cases 

  • User Sign Up and Login: New users sign up and existing users log in.

  • Merge PDFs: Users upload multiple PDFs to merge. 

  • Split PDFs: Users upload a PDF and specify pages to split. 

  • Preview Documents: Users preview the output before finalizing the operation.

User Stories 

  • As a user, I want to sign up for an account so that I can access the tool's features. 

  • As a user, I want to log in to manage my PDF operations securely.

  • As a user, I want to merge multiple PDFs into one document easily.

  • As a user, I want to split a PDF into separate documents based on page ranges.

  • As a user, I want to preview the final document before downloading it.

Technical Requirements 

  • Framework: Choose a web framework (e.g., Flask, Django) for backend implementation.

  • File Storage: Use cloud storage (e.g., AWS S3) for handling uploaded files. 

  • PDF Processing Library: Use libraries (e.g., PyPDF2, pdfrw) for merging and splitting PDF files. 

  • Authentication: Implement JWT or session-based authentication for secure user access.

  • API Documentation: Use Swagger or similar tools for API documentation. 

API Endpoints

User Management

  • POST /signup: Register a new user. 

  • POST /login: Authenticate a user. 

  • GET /profile: Get user profile details.

  • PUT /profile: Update user profile.

PDF Management 

  • POST /merge: Merge multiple PDF files.

  • POST /split: Split a PDF file into multiple documents. 

  • GET /preview: Preview merged or split documents before finalizing.

Security 

  • Use HTTPS to encrypt data in transit. 

  • Implement input validation to prevent file upload vulnerabilities. 

  • Use strong authentication mechanisms to protect user accounts.

Performance 

  • Optimize file processing algorithms for speed.

  • Implement caching strategies to improve user experience. 

Documentation

  • Provide comprehensive documentation for the application, including user guides and API documentation.

Glossary

  • API: Application Programming Interface. 

  • MFA: Multi-Factor Authentication.

Appendix

Include any relevant diagrams, data models, and additional references related to the PDF merger/splitter project.

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