Fair expense splitting, made simple. Track, divide, and settle shared expenses effortlessly — for trips, events, or daily life.

About JustSplit

JustSplit is an open-source, lightweight platform designed to make managing shared expenses easy, transparent, and fair. Whether you're planning a vacation with friends, organizing a group dinner, or sharing household bills, JustSplit ensures that everyone pays their fair share — without the headaches.

Designed for quick deployments on static hosting platforms like GitHub Pages, JustSplit runs fully on the client side for maximum flexibility and privacy.

Key Features

• Flexible Splitting Options: Divide expenses equally, by percentages, by usage, or using custom weights (e.g., time used, quantity consumed).
• Multi-Currency Support: Record expenses in any currency, with automatic real-time conversions.
• Payment Integration: Easily connect with PayPal, Venmo, and other popular payment platforms (planned).
• Trip and Event Management: Group expenses into trips or events, manage budgets, and close events to lock expenses.
• Real-Time Collaboration: Instantly see new expenses and payments from group members.
• Smart Settlements: Automatically calculate who owes whom, minimizing the number of transactions needed.
• Partial Payments Support: Track partial reimbursements over time.
• Data Privacy First: End-to-end encryption ensures your financial data stays private.
• Cross-Platform and Offline-Friendly: Use JustSplit on any device, even with limited internet connectivity.
• Open-Source Freedom: Self-host it anywhere, or deploy free on GitHub Pages in minutes.

Example Use Case

🎒 Trip to Paris:

• Alice pays $500 for the hotel.
• Bob covers $200 for dinners.
• Charlie books a $100 tour.

JustSplit calculates the balance automatically: Bob and Charlie owe Alice, with minimal payments needed.

Get Involved

JustSplit is community-driven! Contributions, ideas, and feedback are welcome.
Learn how to contribute or open an issue to start a discussion.

Detailes on Features and Roadmap

To get a deepdive on features and our roadmap check the JustSplit Consolidated Feature Matrix and Detailed Roadmap documentation.

Development

Getting Started

To set up your local development environment, check out our detailed Local Development Guide.

Testing

JustSplit has comprehensive test coverage. To run the tests:

npm run test

For more details on our testing approach and strategies, see our Local Development Guide.