shota.katougi

5 listings we've seen · as of 6 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Developer Tools

A simple MV3 alternative to ModHeader. Add, edit & remove HTTP request & response headers by URL. Import your ModHeader rules.

Tools

Insert Gmail reply templates in one click or with a /keyword. 10 templates free; Pro (¥1,500 one-time) adds variables and rich text.

Education

Block distracting sites like YouTube, Reddit and social media. Stay on task with a Pomodoro timer and time limits.

Tools

Set a reply deadline per client. Badges show time left; alerts fire as a deadline nears or passes, so replies never slip.

Tools

Scan any page for downloadable files — PDFs, ZIPs, videos and more. Select what you need and save it all at once.