Split Bills
Effortlessly
Free expense splitter —
no install, no sign-up
Perfect for
Why WariSaku?
No Sign-up, Instant Share
No account needed. Share a URL and everyone joins instantly.
Minimize Settlements
Auto-optimizes to minimize the number of money transfers.
Weighted Split
Set contribution multipliers for senior/junior or any situation.
16 Currencies
Record expenses in local currency on any trip abroad.
Group History
Past groups are saved in your browser for easy access.
JPYC Tip Support
Support the developer with JPYC digital currency.
How It Works
4 simple steps
Create a Group
Enter a group name and members. No sign-up needed.
Share the URL
Send the URL via LINE or messaging. No app install required.
Record Payments
Enter who paid and how much. Weighted splits supported.
Check Settlements
See who pays whom — auto-optimized for fewest transfers.
FAQ
Do I need to sign up or install an app?
No. Just open the URL in your browser — no installation, no account needed. Works on any device.
Is it free?
Completely free. No subscription, no fees of any kind.
How many people can use it?
2 to 20 people. Works for trips, dinner parties, shared housing, and more.
Why are there fewer payments to make?
WariSaku uses a minimum-settlement algorithm that calculates the fewest number of transfers needed to settle all debts.
Is my personal information safe?
No personal info is collected. Only group member names and amounts are stored — nothing identifiable.
Try It Now
No sign-up · Completely free
Create a Group →Support Development