We are a China-based team that has been through the same visa paperwork. We share what actually works, not generic advice.
Visa Photo Checker
Upload a photo, see if it passes size / background / head-room rules for China passport, Schengen, US, Japan, UK.
Check my photo →Schengen 90/180 Calculator
Enter your entry, exit and past stays. Get days used / remaining under the rolling 180-day rule.
Calculate →Europe Travel Checklist
A plain checklist of what to prepare before a Europe trip — visa, insurance, eSIM, money.
Get checklist →How this site works
1
You have a problem — “is my visa photo right?” or “how many days can I stay?”
2
Free tool gives you the answer instantly, no signup.
3
Paid export (visa-ready PDF, $4.99) or email for the checklist.
4
Recommended partner tools (eSIM, insurance) only when useful.