Track your hours, set your rate, and generate a professional invoice in seconds. Perfect for freelancers and contractors who bill by the hour.
Create Your Hourly InvoiceEnter hours worked and your hourly rate for each task. ZapInvoice calculates line totals and grand total automatically.
Add as many line items as you need. Bill different tasks at different rates on the same invoice.
One click to download a clean, professional PDF. Attach it to an email and get paid faster.
Add your tax rate and ZapInvoice handles the math. No spreadsheet needed.
Include due dates, late payment terms, and notes about your billing period or work completed.
Create invoices from your laptop, tablet, or phone. Responsive design that works everywhere.
In ZapInvoice, add a line item with a description of the work (e.g., "Web development — March 2026"), enter the number of hours in the quantity field, and set your hourly rate as the unit price. The total calculates automatically.
Yes. Add separate line items for each type of work. For example, "Strategy consulting" at $150/hr and "Implementation" at $100/hr on the same invoice.
For transparency, many clients appreciate a brief description of work per line item. ZapInvoice's notes field is great for including a timesheet summary.
Rates vary widely by industry and experience. Research your market, factor in taxes and expenses, and remember: your rate should reflect the value you deliver, not just the time spent.
Completely free. Unlimited hourly invoices, forever. Optional Pro upgrade available for logos and premium templates.