もじへん！
A browser-based tool for cleaning up Japanese text, separators, and normalization based on rules you define.
Products
A single place for the tools, apps, and plugins currently published on happas.
Vanilla Form
Shape a Google Form to look and feel like it belongs on your site without the infrastructure headaches.
SproutSVG
A small browser app for turning images into SVG locally, with live preview and direct export in the same flow.
Slug-Free Permalinks
A WordPress plugin that switches URLs to stable ID-based permalinks, reducing maintenance and broken links.
Marklane
A WordPress plugin for fast Markdown publishing, with image resolution and multilingual post linking.