SPAs are free now
I deployed zoravur.com/llm-toolbox with a single tool (epub translation) in no more than 30 minutes. And most of that was my agent spinning. It's becoming terrifyingly easy to vibecode browser-only tools using AI.
The version of this article I prompted out of deepseek is here: https://zoravur.bearblog.dev/ai-article-how-i-vibecoded-an-epub-translator-in-about-30-minutes/