Phishing Busters

A free browser tool that lets you check up to 10 hops of redirects, the final URL, a quick safety score, and an OGP preview before clicking a shortened or suspicious link.

A zero-server-transmission security tool that runs entirely in your browser to assess password risk, detect reused passwords in your notes, generate strong passwords, and create shareable diagnostic cards for social media.

A zero-server-transmission security tool that generates memorable passphrases and random passwords entirely in your browser, plus diagnoses the strength of your existing passwords in real time.

A practice app that lets you play shogi against the computer entirely in your browser. It supports difficulty selection, captured pieces, promotion, game record saving and playback, and position restore, with a board that's easy to play on smartphones for casual practice anytime.

A pixel-art roguelike where you explore an ever-changing tower, collecting keys and equipment as you climb through its floors. Features turn-based combat, puzzle doors, boss battles, local saves, and rankings.

A browser-based maze action game that pairs retro NES-style feel with modern neon visuals. Eat the dots, escape four ghosts, and fight back with power pellets as you clear multiple stages.