The Next Generation of Actually Useful Micro-SaaS Ideas (2026 Edition)

Document automation is the infrastructure layer most indie hackers are ignoring. Here is why that is a mistake, and five ideas you can build this weekend. TL;DR: Most micro-SaaS ideas die because the hard part (generating a polished, client-ready PDF or DOCX output) takes months to build. Document automation APIs like Autype eliminate that entirely. On the input side, tools like Mistral OCR and markitdown handle converting messy real-world documents into clean, LLM-readable Markdown. But the real differentiator is not the renderer. It is combining your personal domain expertise with the right data sources (Google Trends, Perplexity, industry APIs) and LLMs to build something that actually earns its price tag. There is a pattern in the micro-SaaS graveyard that nobody talks about enough. The idea is fine. The landing page looks great. The founder validated demand in three Reddit threads. And then they spend four months building a custom PDF renderer, fighting Puppeteer's page break beha