もじへん！
Clean up Japanese text and delimiter choices in one browser tool, using rules you define.
Grow What You Make.
A quiet space for building tools, writing about making things, and letting ideas grow.
Products
A selection of tools and plugins I am currently building.View all products
Vanilla Form
Turn a Google Form into a site-ready HTML form without adding another form service or backend.
SproutSVG
Convert images to SVG in your browser, preview the result, and copy or download it in the same flow.
Slug-Free Permalinks
Keep Japanese-heavy or multilingual WordPress URLs easier to maintain by switching selected post types and taxonomies to ID-based permalinks.
Marklane
Publish and update Markdown in WordPress while keeping images and multilingual post links in the same workflow.
Blog
Notes on making things, trial and error, and what I am thinking about.View all posts
How to Ask AI for Music Recommendations and Create Playlists in Bulk via TuneMyMusic
Learn how to get personalized song recommendations from AI like ChatGPT and instantly import them into Spotify or YouTube Music using TuneMyMusic.
What if You Run Out of Codex or Claude Code Paid Limits? Trying Out Free Coding Agents
We explored ways to keep coding for free when paid limits for Codex or Claude Code are reached. Comparing OpenCode, Hermes Agent, Cline, and Kilo Code, we share why we ended up using Kilo Code as a free backup agent.
From Financial Apathy to My Current Investment Style
How a once financially careless beginner learned from failures, found the right balance with core and satellite assets, and established a personal investment style.
GPT-5.6 Unleashed! Key Features, Pricing, and Use Cases for Sol, Terra, and Luna
GPT-5.6 is finally unleashed! Explore the features, pricing, and practical use cases for Sol, Terra, and Luna to optimize your AI routing.
Feature Flags in config.toml and Rules in AGENTS.md: Structuring Codex Configurations
An overview of the [features] configuration block in OpenAI Codex's config.toml. Explains key settings like memories and hooks, along with practical configuration examples.
Astro 7.0 Major Release! Reviewing Key Changes and Future Use Cases
Astro 7.0 has been released in June 2026. Review key changes including Vite 8, Rolldown integration, Rust-based compiler and markdown parser Sätteri, AI agent detection, and advanced routing caching.