logo
PDF Tools

Free Online AI Invoice Generator

Generate accurate, professional invoices instantly with AI. Reduce manual work, avoid billing errors, and get paid faster with clean, customizable invoices.

invoice-generator-bg

How to make invoice free with AI

Our AI invoice generator lets you create custom, editable invoice in seconds

1
Choose Templates & Enter Details
Choose from our invoice templates, add your brand logos, and other billing info. Our online AI maker will auto-fill your saved client details to save you from repetitive typing.
2
AI Calculates Details
No more manual calculations. Our AI engine automatically computes subtotals, taxes, and discounts based on your quantity and price, ensuring 100% accuracy every time.
3
Download & Share
Review your polished invoice and download it as a PDF. Share it directly with your clients via Email, DM or text.

Invoicing Made Easy in Every Aspect

LightPDF's free online AI invoice generator makes it easy to make any invoice fast!

Professional Templates
Simply pick a template and get a perfectly formatted invoice in seconds. We are regularly adding new industry-specific designs to ensure the perfect match for your business.
Professional Templates
Flexible Customization
Tailor your invoices to fit your brand perfectly. Easily add logos, adjust fields, manage multiple currencies or tax rates—everything can be customized to match your business and client needs.
Flexible Customization
Remember the Last Input
Save time and reduce errors with automatic memory of your frequently used customer details, items, and notes. Create new invoices in seconds without retyping repetitive information.
Remember the Last Input
Export & Share Easily
Send invoices instantly in PDF, share via email or social apps like Whatsapp. Streamline your billing workflow and ensure your documents reach the right people quickly and efficiently.
Export & Share Easily

Built for Every Business Need

Simplify your billing cycle with our free AI invoice maker, designed for any industry.

Freelancers & Solopreneurs

Get your billing done in seconds. Stop wasting time on formatting. Our tool turns your hours into clean, professional invoices quickly, so you can spend more time doing what you love.

Freelancers & Solopreneurs

Small Businesses & Startups

Stay organized and get paid on time. Look professional with custom branding and automatic calculations. Easily handle different taxes or currencies without the manual headache, and send invoices to clients instantly.

Small Businesses & Startups

Consultants & Agencies

Deliver consistent, branded invoices that reflect your professional standards. Easily customize layouts with your logo and brand colors to ensure a cohesive identity across every client touchpoint.

Consultants & Agencies

Online Sellers & Service Providers

Quickly generate professional invoices for global sales and digital services. Manage international billing with ease, ensuring every transaction is clearly documented and ready for instant sharing.

Online Sellers & Service Providers

More than an AI Invoice Generator

LightPDF is an all-in-one AI PDF tool that has many AI tools to boost your efficiency

AI PDF Generator

AI PDF Generator

Turn ideas into professional documents instantly. Generate structured, high-quality PDFs from simple prompts to save hours of manual formatting.

AI Presentation Maker

AI Presentation Maker

Create stunning presentations in minutes. Let AI handle the outline then simply choose the design so you can focus on delivering a powerful message to your audience.

PDF AI Agent

PDF AI Agent

Command your AI agent to handle any file task. Simply tell it to compress, merge, or convert your documents, and let the AI execute the work automatically.

AI PDF Watermark Remover

AI PDF Watermark Remover

Clean up your documents with one click. Intelligently detect and remove distracting watermarks without compromising the original file quality.

Frequently Asked Questions

Expand Allexpand-all

What's an invoice?

An invoice is a professional request for payment, detailing the goods or services provided to your clients. It acts as a vital transaction record that must be clear, concise, and easy to understand.

What's the difference between an invoice and a receipt?

The key difference lies in timing and purpose: an invoice is a request for payment, while a receipt is the proof of a completed transaction. Think of the invoice as the bill you send, and the receipt as the confirmation your customer receives once they've paid.

What's the best AI invoice generator?

LightPDF makes invoicing faster than ever. Instead of starting from scratch every time, our tool remembers your frequent clients and business details, so you can generate a professional invoice in just a few clicks. Plus, we’re not stopping there—we are currently developing an advanced AI feature that will soon allow you to upload contracts or notes and have your invoices filled automatically!

What type of invoice can I generate?

You can generate various invoice types tailored to your business model—including Commercial, Proforma, and Service invoices. Regardless of the type, you should ensures all essentials are covered: contact details for both parties, a unique invoice number, a clear description of work, and your specific payment terms and fees.

Are the generations I make copyright-free?

All invoices you create with LightPDF's AI invoice generator are royalty-free and copyright-free. You can use them for personal and commercial use without any problem.

LightPDF: AI-Driven Productivity for Smarter Document Workflows