HN – I built two dozen single-file HTML tools that run offline and need no back end

I'm a teacher who started making my own productivity tools. I was tired of subscriptions and paywalls. Every tool is a single HTML file. Download it, open it, data stays local. No server, no login, no API calls.

Started as a personal project but I've now shipped habit trackers, journals, planners, invoice generators, and a bunch of teaching tools.

Curious what HN thinks about this approach to software.

I built two dozen single-file HTML tools that run offline and need no back end

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