Comparison

Best Free Proforma Invoice Template

Create professional proforma invoices and customs drafts in seconds. Easy custom branding, customer database, and instant PDF download. Completely free.

Open Proforma Invoice Template Handbook

CalculatorAI

Best Free Proforma Invoice Template 2026: PDFs & Customs

AIPro

Generate compliant PDF proforma invoices in seconds with custom logo and colors

Save customer and vendor contacts to avoid repetitive manual entries

Scan physical documents with vision AI for fast automated drafts

Totally private workspace — no banking links or registrations mandatory

SpreadsheetsEnterprise Soft

Drafting proforma invoices for customs and pre-payments should be formal and simple. CalculatorAI's Proforma Invoice Template lets you create structured preliminary invoices without setup friction or monthly fees. Input your billing items, specify customs values, and download the print-ready PDF in one click.

Your saved transactions and supplier databases are kept strictly confidential inside your local browser's workspace, giving you peace of mind.

Key features of our free generator

PDF Document Exports

Create professionally formatted PDF documents. Add logo, custom headers, taxes, and items.

Client Database

Save customer or supplier address records to auto-fill them instantly on future forms.

AI Prefill Engine

Scan paper invoices or text drafts to automatically populate item lines and values.

Confidentiality

All logs and document histories are stored in your browser, completely secure.

AI Assistant

Generate proforma invoices with AI assistance

Let the AI copilot extract details from billing records, write item lists, or compute tax summaries.

Proactive AI Actions

Scan paper bills to populate documents instantly.

Verify tax rates and itemized totals in seconds.

Pre-populate client details using smart match.

CalculatorAI Copilot

Document Editor AI

Live

Draft a proforma invoice for standard machinery import parts.

Proforma invoice generated. Created items for industrial drill parts, including customs value, quantities, tax rates, and client headers.

Draft Speed

Instant

Accuracy

100% Correct

PDF Export

Ready

The assistant remembers document preferences and billing presets.

Comparison Table

	CalculatorAI	Spreadsheets	Enterprise Soft
100% Free to use
Auto-fill business headers
Instant print-ready PDF
Anonymous & Private
No credit card required
Responsive mobile editor

Why CalculatorAI is the best choice

Generate compliant PDF proforma invoices in seconds with custom logo and colors
Save customer and vendor contacts to avoid repetitive manual entries
Scan physical documents with vision AI for fast automated drafts
Totally private workspace — no banking links or registrations mandatory
Clean PDF formats without watermarks, ads, or sponsor graphics
Automated item totals, tax calculations, and currency metrics

Considerations & Limitations

Designed as a preliminary invoice — does not represent a final request for payment
Does not sync directly with third-party ERP systems or bookkeeping software
Your saved documents are stored locally in your browser unless secure cloud sync is enabled

FAQ

Frequently Asked Questions

Everything you need to know about this document generator, auto-fill, templates, and data privacy.

01What is a proforma invoice?

A proforma invoice is a preliminary bill of sale sent to buyers in advance of a shipment or delivery of goods, listing item descriptions, values, and shipping weights.

02Is a proforma invoice legally binding?

No, a proforma invoice is not a final tax invoice. It is used as a preliminary offer for customs declarations or pre-payment terms.

03Is this proforma invoice generator really free?

Yes, CalculatorAI's template is 100% free with no limits. You can generate and download unlimited PDF proforma invoices.

Need to generate a Proforma Invoice?

Create your document now. Enter your items, adjust the settings, and download a clean PDF.

Open Proforma Invoice Template