Professional Invoice Builder is a free, browser-based tool for freelancers and small businesses that formats a clean invoice from your line items — no account or software needed.
How to use the Professional Invoice Builder
- Fill in your business and client details.
- Edit the line items JSON array with description, qty and rate for each item.
- Set a tax rate if applicable.
- Copy or download the generated invoice, or print it to PDF from your browser.
Why use FreeToolsNets's Professional Invoice Builder?
- 100% free, with no usage limits and no account required.
- Everything runs locally in your browser — nothing you type is uploaded or stored on a server.
- Works on desktop, tablet and mobile in any modern browser.
- No installation, no plugins, and no ads blocking the tool itself.
Frequently asked questions
Can I add more line items?
Yes — add more objects to the line items array, each with description, qty and rate.
Can I export this as a PDF?
Copy the result and use your browser's Print → Save as PDF, or paste it into a document editor.
Is this tool free to use?
Yes, completely free on FreeToolsNets, with no sign-up and no limits.
Is my data sent to a server?
No. Everything runs locally in your browser using JavaScript — nothing you enter is uploaded anywhere.
Does it work on mobile?
Yes, the widget is fully responsive and works on phones, tablets and desktops.