Free Contractor Invoice Generator

Build a professional contractor invoice with live totals, local draft save, payment terms, and PDF export in your browser.

Contractor Invoice Generator

Create a professional contractor invoice with line items, tax, markup, payment terms, and a downloadable PDF.

🔒 Processes data locally in your browser — input isn’t uploaded or stored.

Why Use This Tool

Use this contractor invoice generator to issue client-ready invoices with clear line items, due dates, payment status, and downloadable PDF output. If you need to quote before billing, start with the Contractor Estimate Generator.

What This Tool Does

Create a contractor invoice with company/client details, line items, pricing adjustments, payment tracking fields, payment instructions, and downloadable PDF output.

How to Use

Enter your company details, contractor contact info, client details, and invoice metadata.
Add line items with quantity, unit, unit price, and category (labor/materials/other).
Set discount, markup, tax, amount paid, payment instructions, and terms while reviewing live totals.
Click Generate Invoice PDF to download a finalized invoice file instantly.

Who This Is For

Independent contractors issuing invoices after estimate approval.
Service businesses that need polished invoice PDFs with payment details.
HVAC, plumbing, electrical, painting, and roofing teams managing recurring billing.

Examples

Issue a residential service invoice with labor, materials, tax, and net-15 due date.
Create a partial-payment invoice showing amount paid and balance due clearly.
Generate a branded invoice PDF with payment instructions for bank transfer or check.

Common Mistakes

Leaving payment terms blank when clients need clear next steps.
Sending invoices without verifying due date and amount paid values.
Skipping related estimate workflow when quote approval is still pending.

Workflow Notes

Your invoice details are processed locally in your browser for normal usage on this route.
ToolZenoHub does not need to upload your invoice content to generate the PDF.
Use Save Draft / Restore Draft to keep the latest invoice on this browser only.

Common Use Cases

Convert approved estimates into client-ready invoice PDFs.
Track paid amount and outstanding balance for ongoing jobs.
Provide payment instructions and terms in a consistent invoice format.

Related Tools

Continue with related tools that handle the next step in your workflow.

Estimate vs Invoice for Contractors - See when to send quotes versus invoices and how they connect in one workflow.
Contractor Estimate Generator - Build and approve scope/pricing before generating the final invoice.
HVAC Estimate Generator - Create trade-specific HVAC estimates before issuing invoice PDFs.
Electrical Quote Generator - Build electrical quote documents before converting approved work to invoices.
Plumbing Estimate Generator - Prepare plumbing estimate PDFs and transition approved scopes into invoices.
Painting Estimate Generator - Quote painting scopes before sending final billing documents.
Roofing Estimate Generator - Use roofing-specific estimate line items prior to invoice generation.
Sales Tax Calculator - Validate tax rates and tax-inclusive totals before finalizing your invoice.
Profit Margin Calculator - Check margin assumptions for labor and materials before sending billing.
Discount Calculator - Model discount scenarios before applying final invoice adjustments.
Date Difference Calculator - Verify date gaps for invoice due dates and payment terms.
Word to PDF Converter - Use this route when you also need DOCX-to-PDF workflow support.

FAQ

Does this contractor invoice generator upload my invoice details?

Your invoice details are processed locally in your browser for normal usage on this route. ToolZenoHub does not need to upload your invoice content to generate the PDF.

Can I include line-item labor, materials, tax, and discounts?

Yes. You can add line items with category, quantity, and unit price, then apply discount, markup, tax, and payment details before exporting.

Can I save and restore an invoice draft?

Yes. The latest draft can be stored in localStorage on this browser and restored later from the same device/browser profile.

Does the invoice PDF include due date and payment terms?

Yes. The PDF includes invoice metadata, line items, totals, amount paid, balance due, payment instructions, and terms.