Modern invoicing tool. Create invoices in seconds and send them directly from your Gmail account.
Real professionals using Haiku.lt to run their business
Bill multiple clients for project work, track hours, and maintain professional relationships with branded invoices.
Create lesson invoices quickly, bill per session or monthly packages, and focus on teaching instead of paperwork.
Issue session invoices, manage recurring clients, and keep your practice running smoothly with compliant documentation.
Bill for service calls, parts, and labor with detailed line items. Send invoices directly from the job site.
Invoice for designs, photography, writing, or creative services. Show your professionalism from first contact to final payment.
Bill for individual sessions, group classes, or training packages. Create multiple client invoices quickly and efficiently.
A simple and efficient solution for managing your business invoices
Create a new invoice in 5 steps. Intuitive interface lets you focus on business, not paperwork.
Use on both desktop and mobile. Fully responsive across all devices.
Send invoices directly from your Gmail account. No additional apps or setup required.
Support for proforma, credit, and VAT invoices. Everything your business needs.
Export and import your invoice data. Full control over your business information.
Get up to 500 invoices with almost all features — no credit card needed. Upgrade to paid for just €5/month when your business grows.
Encrypted and hosted in Germany. Fully GDPR-compliant.
Create invoices directly from your calendar events. Transform your scheduled work into invoices with just a few clicks.
Learn about EU e-invoicing requirements for 2026 and how to keep your business compliant.
Repeat invoices take as little as 5 seconds — client details and line items are saved automatically. Over 21,000 invoices created and counting.
A sent invoice document can encourage clients to pay faster. Professional-looking invoices strengthen your business image.
Invoicing requirements differ across countries. We tell you upfront what's supported for your location so there are no surprises.
Built in Lithuania, Europe, since 2021 — Haiku.lt was made to make invoicing as simple and fast as possible for independent professionals.
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© Dalius Dobravolskas 2026 | Built: 2026-03-14