Product Requirements Document (PRD)

📌 Product Requirements Document (PRD)

🧩 Overview

The File Renamer is a Next.js web application that enables bulk file renaming using customizable patterns. It provides an intuitive interface for organizing files with placeholders like {counter}, {date}, and {text}, with all processing done client-side for privacy.

🎯 Goals

• Enable users to rename 100+ files simultaneously
• Support flexible naming patterns with smart placeholders
• Provide real-time previews before applying changes
• Maintain zero server dependency (100% browser-based)
• Offer one-click export of renamed files

👥 Target Audience

User Type	Use Case
Photographers	Rename batches of images (DSC_{date}_{counter}.jpg)
Researchers	Standardize dataset filenames (StudyA_2024_Data_{counter}.csv)
Office Workers	Organize documents (Contract_{text}_{date}.pdf)
Developers	Clean up project assets (component_{counter}.tsx)

🧰 Core Features

1. File Upload System

• Drag-and-drop interface
• Multi-file selection (images, PDFs, text files)
• File type filtering

2. Pattern Engine

Placeholder	Example Output
{counter}	001, 002, 003
{date}	2024-07-20
{text}	Original filename (without extension)

3. Preview & Export

• Side-by-side comparison of original/new filenames\
• Download options:

1. Individual files
2. ZIP archive (for bulk exports)

🚫 Out of Scope (MVP)

• Cloud storage integration
• User accounts/history
• Mobile app version
• AI-powered naming suggestions

✅ Feature Status

Feature	Status
File upload	✅ Implemented
Pattern builder	✅ Implemented
Real-time preview	✅ Implemented
PDF/DOCX Export	🔄 In progress
Preset patterns	❌ Planned (v2.0)

📊 Key Performance Indicators

1. User Adoption

• Number of files processed per session
• Most frequently used placeholders

2. Technical Performance

• Average processing time per 100 files
• Browser/device usage statistics