Sommaire - AI PDF Summarizer
June 2025
AI-powered Next.js application that converts long PDFs into structured, bite-sized summaries with authentication and premium tier support.
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Project Overview
Sommaire is a full-stack Next.js 15 app that lets users upload lengthy PDFs and instantly get clean, well-organized summaries using OpenAI or Gemini. It features seamless Clerk authentication, UploadThing for file handling, and Stripe monetization for locked features. Built with TypeScript and Tailwind CSS, it’s optimized for both casual users and premium members. The platform delivers a polished, responsive UI with structured outputs ideal for students, professionals, and researchers.
Key Features
AI Summarization
Generates clean, sectioned summaries from uploaded PDFs.
PDF Uploads
Drag and drop support with UploadThing integration.
Membership Tiers
Basic users get free summaries; Pro users unlock advanced output.
Authentication
Clerk-based login and JWT-secured routes.
Stripe Billing
Upgrade to Pro via Stripe checkout flow.
Interactive Dashboard
View, download, and manage all your summarized files.
Challenges
- •Streaming large PDF content into manageable chunks for summarization
- •Designing prompt templates for clean, consistent AI summaries
- •Handling secure file uploads and protecting user data
- •Integrating Clerk and Stripe cleanly in the new App Router pattern
Key Learnings
- •Mastered Next.js 14 with App Router and Server Actions
- •Improved prompt engineering for LLM-based summarization
- •Learned how to monetize SaaS apps with Clerk + Stripe
- •Built a responsive and user-friendly AI tool from scratch
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