Games
Built with Unity and HTML5, shipped across several stores.
Apps & Services
Small, useful apps and services for everyday life.
Tools
A mix of browser-based pages and small utilities.
EML File Viewer
Open saved .eml email files right in your browser to read messages and download attachments. Processed only on your device — nothing is uploaded.
Background Remover
Removes image backgrounds into transparent PNGs. Runs fully in your browser via WebAssembly — nothing is uploaded. Batch up to 20 images.
DevBox
A set of handy browser developer tools. No install needed.
JavaScript Edge Cases
An interactive page for exploring odd JavaScript coercion, comparison, sorting, and other edge cases like small quizzes.
KakaoWork Backup
A backup utility for keeping KakaoWork conversations and files. Code and usage notes are available in the public GitHub repo.
Disable-CSP
A browser extension for disabling the current page's Content Security Policy, built for testing and debugging workflows.
Blog
Conferences, game jams, and things learned while building.
Auto-Publishing AI-Written Posts to Tistory, Which Has No Official API
en 2026.07Recovering from Git bad signature 0x00000000 After an Unexpected Shutdown
en 2024.05U Day Seoul Review
en 2023.09js13kGames 2023 Review
en 2023.09SEF2023(Software Education Festival) Review
en 2023.08Google I/O Extended 2023 Seoul Review
enWriting elsewhere
↳ Latest posts pulled from my Tistory blog — dev writing that an AI drafts, reviews, and publishes daily.
↳ Latest posts pulled from my Naver blog — food, reviews, and dev, not just code.