Web tools made by one developer
Free tools that get
small chores done fast
Tax-free refunds in Japan, public holidays abroad, game macros. Each tool does one job and works the moment you open it.
- Free
- No sign-up
- Works on phones
Tools (3)
Tax-Free Japan
taxfree.skhun.com
See how much tax you get back, and by when
Estimates your refund under Japan's new tax-free system (refund method, from November 2026) and walks you through the steps at the shop and airport.
- For
- Visitors to Japan
- Language
- English, 日本語, 한국어, 中文
Holiday Overlap
holiday.skhun.com
Compare public holidays across countries on one calendar
Overlays holidays from 61 countries, so you can spot shared days off and weekdays when everyone is working.
- For
- Scheduling meetings and deadlines abroad
- Language
- Japanese only
WoW Macro Builder
wow-macro-builder.skhun.com
Describe a button, get a working game macro
AI writes macros for World of Warcraft: Forever and explains every line. You can also build them yourself, step by step.
- For
- WoW Forever players
- Language
- English, 한국어
About this site
Who makes it
skhun, an independent developer in Japan, plans, designs, and runs every tool alone.
Why it's free
Some tools show ads to cover server costs. There is no paid plan.
What happens to your input
It depends on the tool. See the privacy policy.