WHMCSModule Networks
AUTOMATION PLATFORM ...
Clickable Pay Now Button Clients can pay invoices directly from inside the PDF with 1-click
Custom Branding & Colors Auto-resizing logo, rounded corner design, and color palettes
WHMCS WHMCS ADDON MODULE

Custom PDF Invoice
For WHMCS

Transform default WHMCS PDF invoices into pixel-perfect, high-converting professional billing documents with custom branding, clickable pay-now buttons, transaction tables, and print-only encryption.

Best Selling Version v2.1 (Released: December 17, 2022) WHMCS Latest PHP 8.2 & 8.3 Encoded Instant Automated Delivery
Home / Addons / Custom PDF Invoice
PDF Security & Encryption Built-in PDF encryption, duplex printing, and print-only modes
Transaction & Remittance Payment transaction tables, proforma labels & remittance slip
WHMCS 9.x Addon v2.1

Custom PDF Invoice for WHMCS

Elevate your brand with customized, multi-page PDF invoices featuring 1-click Pay Now buttons and transaction tables.

Yearly License €49.99 €30.00 / yearly Single domain license - Released: June 26, 2018
Buy Now €30.00
Installation Assistance: FREE
Technical Support: FREE
Module Training: FREE
Customization: PAID
Live Preview

See It In Action

Clean multi-page layout, clickable pay buttons, and customized color themes.

Tax Invoice Sample Document Preview
Click to expand
Invoice Branding 1 Branding 2 Branding 3 Colours Content 2 Content Dashboard Designer Profiles Protection Signature Viewer
50+ ONLINE PORTALS TRUST US 13 LANGUAGES SUPPORTED
Invoice Impact Estimator

Calculate Faster Invoice Payment Settlement

Professional PDF invoices with embedded 1-click Pay Now buttons reduce payment friction and accelerate billing collection.

500 invoices / mo
50 2,500 5,000
€50 / invoice
€10 €250 €500
ESTIMATED MONTHLY INVOICE VOLUME PROCESSED
€25,000.00 / month
Delivered with 15% faster 1-click settlement via embedded PDF Pay Now buttons!
Module pays for itself on your first 3 invoices!
What's Inside

Key Features

Everything you need to send stunning, high-converting PDF invoices to your WHMCS clients.

Clickable Pay Now & Logo Links

Embedded interactive Pay Now button right inside the PDF file, allowing customers to settle unpaid invoices with a single click from any PDF reader.

Auto-Resizing & Custom Styling

Auto-resizes company logo to required proportions, features rounded corner design boxes, and lets you customize layout color schemes effortlessly.

Multi-Page & Auto Text Wrapping

Seamless multi-page PDF generation with smart automatic line wrapping for long item descriptions, preventing text overflow glitches.

Print-Only Security & Encryption

Built-in PDF encryption features for print-only security, duplex printing settings, and automatic Proforma Invoice description toggles.

Transaction Logs & Remittance Slips

Displays payment transaction details directly on the invoice, including payment date, gateway used, transaction ID, and remittance cut-off slips.

Language & Text Customization

Easily customize text labels, tax headers, and payment instructions to match your WHMCS client language settings.

Why Choose Us

Default WHMCS PDF vs. Custom PDF Invoice

Compare built-in WHMCS PDF invoice templates against our advanced Custom PDF Invoice module.

Feature / PDF Capability Native WHMCS PDF Custom PDF Invoice
Clickable Pay-Now Button Inside PDF Embedded button allowing clients to pay directly from PDF reader. Static PDF Only Yes (Embedded Link)
Clickable Logo Link to Portal Company logo links directly back to your WHMCS client area. Static Image Active Hyperlink
Custom Color Scheme Builder Easily change layout header, border, and text colors to match your brand. Hardcoded Code Easy Color Settings
Multi-Page & Line Wrapping Engine Smart pagination preventing text overlapping on long multi-item invoices. Text Bugs Perfect Pagination
Payment Transaction History Table Shows list of previous partial payments, gateway IDs, and transaction dates. No Yes
Remittance Slip & Duplex Printing Remittance tear-off slip settings and double-sided print support. No Yes
Print-Only Security Encryption Restricts unauthorized editing of invoice PDF files. No Yes
Technical Specifications

System Requirements & Compatibility

Full compatibility specifications for WHMCS environments, PHP runtimes, and licensing terms.

WHMCS Compatibility WHMCS 9.x (Latest Stable)
PHP Version Support PHP 8.2 & PHP 8.3 Encoded
IonCube Loader IonCube Loader v14.0 or higher
cURL Requirement cURL Latest Support
Latest Version Version v2.1
Release Date June 26, 2018
Detailed Overview

Everything This Module Does

Comprehensive functional breakdown of custom PDF formatting, line wrapping, and transaction tables.

  • Replaces standard WHMCS PDF invoices with a sleek, modern layout designed to look professional on any screen or printout.
  • Auto-resizes your company logo to required height with a clickable link back to your portal.
  • Displays clean rounded-corner design boxes for client addresses, invoice dates, and payment totals.
  • Embeds an active, clickable Pay Now button directly inside generated PDF files.
  • Clients opening the invoice PDF in Adobe Acrobat, Chrome, or mobile readers can click the button to land directly on the payment page.
  • Handles multi-page invoices with clean header/footer repetition on subsequent pages.
  • Smart automatic line wrapping for long domain names, hosting descriptions, or service add-ons without text truncation.
  • Includes a payment transaction history table showing date, payment method, transaction ID, and amount paid.
  • Optional remittance cut-off slip and Proforma Invoice description toggles.
  • Built-in PDF encryption and print-only security restrictions to prevent unauthorized editing of financial documents.
  • Support for duplex printing settings for paper conservation.
  • Easily customize table header colors, borders, and accent highlights to match your brand identity.
  • Full multi-language support for international client billing.
Got Questions?

Frequently Asked Questions

Quick answers to common questions about PDF templates, installation, and licensing.

Yes! It seamlessly replaces the default `invoicepdf.tpl` file in WHMCS, generating custom PDF invoices whenever clients or admins click "Download PDF Invoice" or receive invoice emails.

Yes! The Pay Now button embedded in the PDF is an active hyperlink. When opened in Adobe Acrobat, Chrome PDF Viewer, Apple Preview, or mobile devices, clicking it opens the invoice payment URL instantly.

Yes! You can easily adjust table header background colors, primary accent colors, and font colors to match your brand guidelines.

Yes, free installation support is included with your purchase. Our technical team is available via ticket if you need help setting up the module.

Ready to Send Professional PDF Invoices?

Yearly license. Single domain license. Free installation assistance and 24/7 technical support.

Custom PDF Invoice for WHMCS Version v2.1 (Released: December 17, 2022) - Single Domain License
€30.00 / yearly Buy Now
Important

Please Read Before Purchase

Review our license terms, compatibility notes, and support policies.

No Refund Policy

There is No Refund Policy on module licenses — onetime or yearly. Modules are non-tangible, non-returnable goods. Refunds are not issued once the order is finalized and the product is activated.

Need Help? Contact Us

If you face any issue with installation, open a support ticket, email us, or talk to us via live chat. We're here to help before and after purchase.

WHMCS Version Support

Modules are developed against the latest stable WHMCS version. LTS versions of WHMCS are not supported. Supports WHMCS 8.x & 9.x Ready with PHP 8.2 & PHP 8.3 Encoded encoded files.

No Nulled WHMCS

Module purchase is restricted for websites using Nulled WHMCS. Nulled WHMCS users will be considered as Fraud. Sign up with a Valid Email ID from your Top Level Domain.

Order Confirmation

An Order Confirmation mail will be sent to your Email ID. Once the mail is verified the order will be processed. Otherwise the order will be deleted without notice.

Decoding / cURL Issues

If you face a "response can not be decoded" error, upgrade your cURL to 7.30 or above. If WHMCS shows a non-compatible encoded file warning, just ignore the message.

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