Invoice Generator — AI Document Creation
Professional invoice template with line items, tax calculation, and payment instructions. Fill in 11 template variables — including Invoice number, Invoice date, Payment due date, and 5 more — and generate a professional DOCX document in seconds. Create an account to customize templates, automate generation, and integrate with your existing workflows.
Invoice Generator
PopularProfessional invoice template with line items, tax calculation, and payment instructions.
Generate Invoice documents
Sign up for a free account to generate professional invoice documents by filling in template variables.
Output format: DOCX · 11 variables
Template variables preview
Invoice number
invoice_number
Invoice date
invoice_date
Payment due date
due_date
Your company name
company_name
Client name
client_name
Tax rate percentage
tax_rate
Currency code
currency
+4 more variables
Template Variables
Output Details
Tags
Usage Stats
12.3k
documents generated
How the Invoice Generator Works
Fill In Variables
Enter your finance details: Invoice number, Invoice date, Payment due date, and more.
Generate Document
DokuBrain merges your data into a professional invoice template and generates a DOCX document.
Download & Automate
Download your DOCX instantly, or set up workflows to generate documents automatically from API calls or form submissions.
Template Variables
Required Fields
Invoice number
Type: string
Invoice date
Type: date
Payment due date
Type: date
Your company name
Type: string
Client name
Type: string
Line items: [{description, quantity, unit_price, amount}]
Type: array
Subtotal before tax
Type: number
Total amount due
Type: number
Optional Fields
Tax rate percentage
Type: number · Default: 0
Currency code
Type: string · Default: USD
Payment instructions or bank details
Type: string
Who Uses the Invoice Generator?
Accounts Receivable Teams
Generate professional invoices instantly. Include line items, tax calculations, and payment terms with consistent formatting.
Finance Managers
Create expense reports and purchase orders with proper approval workflows. Maintain audit trails for all financial documents.
Small Business Owners
Produce professional financial documents without dedicated accounting staff. Invoices, POs, and reports in seconds.
Procurement Teams
Generate purchase orders with vendor details, line items, and shipping terms. Automate the procurement document workflow.
Frequently Asked Questions
What variables does the Invoice generator need?
The Invoice generator requires 8 fields: Invoice number, Invoice date, Payment due date, Your company name, Client name, Line items: [{description, quantity, unit_price, amount}], Subtotal before tax, Total amount due. It also supports 3 optional fields for additional customization.
What format does the Invoice output?
The Invoice generates a professional DOCX document. You can download it immediately after generation or integrate it into automated workflows.
Is the Invoice generator free?
Yes! You can try the Invoice generator for free. Create a free DokuBrain account to save templates, use batch generation, and set up automated document workflows.
Can I customize the Invoice template?
Absolutely. Create a free account to customize the template layout, add your company branding, and modify the variables to match your specific needs.
Can I automate invoice generation?
Yes. DokuBrain workflows let you trigger document generation automatically — from form submissions, API calls, or on a schedule. Generate hundreds of invoice documents with zero manual work.
Ready to automate finance document generation?
Start generating professional documents in seconds. Free plan available — no credit card required.