Building a document-heavy SaaS usually means weeks of integration work for file uploads, AI parsing, and result storage -- here is how to add intelligent document processing to your Next.js app using Cloudinary and Claude so users get structured data from any upload in seconds.
Most file upload tutorials end at the upload -- here is how to make sure only the right customers can download your PDFs, reports, and course materials using the auth and Cloudinary setup already in your Next.js boilerplate.
Almost every SaaS needs a settings page the day after you wire up auth -- here is the architecture for handling profile photo uploads, password changes, and notification preferences in a Next.js app without turning your settings route into spaghetti.
How to add image uploads to a Next.js SaaS using Cloudinary -- a protected API route, a reusable upload hook, and storing only the public_id in the database so transformation URLs stay flexible.