Projects

Enter a domain name and get its email authentication (SPF / DKIM / DMARC), DNS, SSL, and search-engine visibility diagnosed — with fix steps matched to the services in use and record values you can paste as they are.

An iOS app that aligns and anonymises orthodontic photos on-device for personal logging. Optional anonymous Before / After sharing, browsable on a web gallery.

A web service that answers everyday questions about supplements, sleep, food, beauty, and exercise with structured, research-grounded summaries and articles. It ships as "エビデンスある？" in Japanese.

A portfolio and hub that consolidates my output as an indie developer. Built with Astro static export, with structured data and a bilingual setup baked in from day one.

iOS / AI Swift Live Runs on AI

An AI that reads between the lines of love texts. OCR runs on the device, the psychological analysis runs on a cloud LLM.

A small set of free web tools that help you tune sleep, habits, and focus. Everything runs in the browser — no signup, no account.

iOS / iPadOS SwiftUI Live Runs on AI

Turn English videos on iPhone or iPad into a dual-subtitle learning experience. Subtitle generation, translation, and explanations all run on-device.

A data conversion site for JSON, YAML, CSV, and Markdown — everything happens in the browser.

A diagnosis and comparison site for choosing how to build a website before building it. Nine approaches are scored on the same axes, and every price shown is checked against the text of the vendor's own pricing page.