HTML Invoice Templates: Free PDF Generator & Templates

Template 1: Minimal Professional Invoice

A clean, minimalist invoice template perfect for freelancers and consultants. Features a simple two-column layout with clear typography and subtle borders.

Features

• Clean, distraction-free design
• Automatic subtotal and tax calculations
• Professional typography with system fonts
• Responsive layout that works on all page sizes

Best For

Freelancers, consultants, and small service businesses who want a simple, professional invoice without unnecessary visual elements.

Template 2: Modern Gradient Invoice

A contemporary invoice with a striking gradient header and modern design elements. Perfect for creative agencies and tech startups who want to make a visual impact.

Features

• Eye-catching gradient header
• Custom brand colors support
• Rounded corners and modern spacing
• Professional table styling

Best For

Creative agencies, tech startups, and design studios who want their invoices to reflect their modern brand identity.

Template 3: Classic Business Invoice

A traditional business invoice with formal styling and comprehensive information display. Includes company logo placement, detailed contact information, and payment terms.

Features

• Logo placement area
• Detailed company and client information
• Payment terms and due date
• Bank details section

Best For

Established businesses, B2B companies, and enterprises that need formal, comprehensive invoicing with all legal details.

Template 4: SaaS Subscription Invoice

Designed specifically for SaaS and subscription businesses. Includes recurring billing details, subscription period, and payment method information.

Features

• Subscription period display
• Recurring billing information
• Payment method details
• Next billing date

Best For

SaaS companies, subscription services, and membership-based businesses that need to show recurring billing details.

Template 5: Freelancer Time-Based Invoice

Perfect for freelancers and consultants who bill by the hour. Includes detailed time tracking, hourly rates, and project breakdown.

Features

• Time tracking display
• Hourly rate breakdown
• Project/task categorization
• Total hours summary

Best For

Freelancers, consultants, and agencies that bill clients based on time spent on projects or tasks.

Invoice Template Comparison

Choose the right invoice template for your business needs. Compare features, design styles, and ideal use cases:

How to Use These Invoice Templates

All invoice templates are built with HTML and CSS, making them easy to customize and integrate into any application. You can use them with our PDF API to automatically generate invoice PDFs, or integrate them directly into your invoicing workflow.

Key Benefits:

• No coding required: Use our free online generator above
• Fully customizable: Modify HTML/CSS to match your brand
• API integration: Automate invoice generation via API
• Professional design: Print-ready and PDF-optimized
• Dynamic data: Support for templating engines like Nunjucks

Automation Options:

Automate your invoice generation workflow with these integration options:

• n8n Native Module: Use our official n8n node to generate invoices directly in your automation workflows
• Make.com Native App: Install our Make.com module for visual, no-code invoice automation
• HTTP API: Integrate with any platform using our REST API - perfect for custom applications

For detailed setup instructions, check out our n8n integration guide, Make.com guide, or explore our PDF API documentation for programmatic access.

Invoice Best Practices & Legal Requirements

Creating professional invoices requires more than just good design. Follow these best practices to ensure your invoices are legally compliant and professional:

Essential Invoice Elements

• Unique Invoice Number: Sequential numbering system (e.g., INV-2025-001)
• Issue Date & Due Date: Clear payment terms and deadlines
• Business Information: Your company name, address, and tax ID
• Client Information: Customer name, address, and contact details
• Itemized Services: Detailed description, quantity, and pricing
• Tax Breakdown: VAT/Sales tax clearly displayed
• Payment Terms: Accepted payment methods and bank details
• Total Amount Due: Prominently displayed final amount

Invoice Numbering System

Use a consistent invoice numbering format that includes the year and sequential number. This helps with organization and is often required for tax purposes. Example formats: INV-2025-001, 2025-INV-0001, or simply sequential numbers like 10001.

Tax Compliance

Depending on your location, you may need to include specific tax information. EU businesses must include VAT numbers, while US businesses should display sales tax where applicable. Our invoice templates support all major tax formats and can be customized for your jurisdiction.

Frequently Asked Questions