docreplacer.online is a tool that converts a plain-English prompt into a formatted .docx file — entirely inside your browser. No server, nothing uploaded or stored remotely. You type a prompt, a Word document downloads. It's currently in MVP — free to use, no account required at this stage. I built it. And the most interesting part of building it wasn't the document generation itself — it was the decision to use no backend at all, and what that choice forced me to think through. I'm a developer who builds small tools to solve workflow problems. This one started as a minor utility for my own use and turned into a more considered architectural exercise than I expected. This post is about that process — what the problem was, how the client-side approach works in practice, and where it genuinely falls short. Most side projects start with a problem. This one started with a boring observation: generating a .docx file from structured text is something browsers can already do — and almost nobody does it that way.…