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Notes on building products with Next.js and shadcn/ui, file uploads, open source, and the details that make software feel good to use.

October 28, 2026Direct-to-S3 and Cloudflare R2 uploads in Next.js, without the pitfallsHow presigned uploads to S3 and Cloudflare R2 work in Next.js: signing, CORS and the ETag trap, multipart, resumable uploads and cleanup.
October 28, 2026How to add file uploads to a shadcn/ui app in Next.jsAdd a production-ready file upload to a shadcn/ui Next.js app: dropzone, progress, retries and direct-to-S3 uploads with UploadCN, step by step.
October 12, 2026I got tired of rebuilding file uploads, so I built UploadCNWhy I built UploadCN, an open-source upload kit for shadcn/ui: the engine split, direct-to-S3 uploads, accessibility, testing and the shadcn registry.