Free Invoice Generator.
Create professional invoices with line items, tax, discounts, and custom notes. Download as a clean PDF — everything runs locally in your browser.
$0.00
Your Business
INV-001
Date: 2026-07-29
Client Name
| Description | Qty | Rate | Amount |
|---|---|---|---|
| — | 1 | $0.00 | $0.00 |
What Is an Invoice Generator?
An invoice generator is a tool that helps freelancers, small businesses, and agencies create professional billing documents. Instead of wrestling with Word templates or paying for subscription software, you can fill in your details, add line items, and download a polished PDF in seconds.
This free invoice generator runs entirely in your browser — your client data, billing amounts, and business info are never uploaded to any server.
How to Create an Invoice
- Enter your business name, email, and address in the "Your Business" section.
- Fill in your client's details under "Bill To."
- Add line items with descriptions, quantities, and rates.
- Set tax rate and discount percentage if applicable.
- Download the invoice as a professional PDF file.
Key Features
- Unlimited line items with live subtotal calculations.
- Configurable tax rate and discount percentage.
- Multiple currency support (USD, EUR, GBP, PKR, INR, and more).
- Live preview updates as you type.
- Clean, professional PDF output ready to send.
- Notes field for payment terms or instructions.
Why Use ToolMars for This?
Most invoice tools require sign-ups, monthly fees, or send your billing data to the cloud. ToolMars processes everything directly on your device with zero data uploads — perfect for privacy-conscious freelancers and small businesses.
Frequently Asked Questions
Is this invoice generator really free?
Yes, completely free with no limits on the number of invoices you create. No accounts, no subscriptions, no hidden costs.
Where is my invoice data stored?
Nowhere. Your data stays in your browser session and is never sent to any server. When you close the tab, the data is gone unless you downloaded the PDF.
Can I add my company logo?
The current version focuses on clean text-based invoices. Logo support is planned for a future update.
Does it work on mobile?
Yes, the invoice generator is fully responsive and works on phones and tablets. You can create and download PDFs on the go.
What currencies are supported?
USD, EUR, GBP, PKR, INR, CAD, and AUD are built in. The amounts display with the correct currency symbol in your invoice.