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Flexible PDF Invoices for WooCommerce & WordPress

5 Avg. Rating
3K Installs
Tested with WordPress 5.9

This plugin is an add-on for WooCommerce by WP Desk.

Easy invoicing plugin for PDF invoices in WooCommerce. Now, the plugin allows you to issue a vat invoice also in WordPress alone! Supercharge it by in …

Flexible PDF Invoices for WooCommerce & WordPress is a plugin that allows you to create WooCommerce invoices for free. Flexible PDF Invoices also provide an opportunity to create vat invoices in WordPress, that are not related to WooCommerce orders.


See the main features of the free version:

  • Issue invoices for WooCommerce orders,
  • Create manual vat invoice in WordPress anytime,
  • Issue, save, and download invoices as PDF,
  • Add, edit and delete invoices (invoices are stored as Custom Post Types),
  • Manage currencies, tax rates, and payment methods,
  • Create PDF invoices templates ready for VAT taxpayers and VAT-exempt entities,
  • Generate and download invoices in bulk by a date range,
  • Get EU VAT number of your customers in the checkout, orders and on the vat invoice for WooCommerce orders and also while invoicing manually in WordPress,
  • Use custom numbering of invoices with shortcodes and by adding your own prefixes and suffixes,
  • Set the initial number for invoices so you may begin using the plugin throughout the year,
  • Prepare reports with a summary of all documents issued in a chosen date range,
  • Translate invoices into the languages of your customers by using WPML.

Visit Flexible Invoices Docs to see how to use the full potential of this WooCommerce invoicing plugin.

PRO Features

Create the automatic invoicing in your e-commerce by purchasing Flexible Invoices for WooCommerce PRO: Flexible Invoices for WooCommerce PRO.

See some of its features:

  • [PRO] Automatic invoicing for WooCommerce orders,
  • [PRO] Three types of documents – invoice, proforma, and correction invoice
  • [PRO] VAT invoices compatible with EU law,
  • [PRO] MOSS and OSS support,
  • [PRO] EU VAT number validation in the VIES database,
  • [PRO] Conversion of VAT into local currency,
  • [PRO] Download invoices in bulk,
  • [PRO] Support for Price Based on Country for WooCommerce

Upgrade to PRO Now →

Add-ons for the PRO version

For the PRO version, you can add-ons, which customize the invoicing in the WooCommerce shop by:

  • Automatic monthly email of invoice packages from WooCommerce to the accounting office,
  • Automatic monthly email of CSV reports from WooComerce to the accounting office,

Find it in Flexible Invoices – Advanced Sending add-on →

  • Filter invoices by document type, VAT number, payment status and much more,
  • Sorting invoices in the list,

Find it in Flexible Invoices – Advanced Filters add-on →


The Flexible PDF Invoices for WooCommerce & WordPress plugin is available in:

  • English
  • Dutch
  • Polish
  • Spanish

You may help us translate the plugin.


View Flexible Invoices for WooCommerce PRO Docs

Support Policy

We provide limited support for the free version in the plugin Support Forum. Please purchase a WooCommerce extension to receive priority e-mail support as well as all e-commerce PRO features. Upgrade Now →

Flexible Invoices in a nutshell

Flexible PDF Invoices for WooCommerce & WordPress is a plugin for invoicing in WooCommerce. You can use it to invoice orders in your WooCommerce store. Also, it perfectly runs in a standalone WordPress, so you can invoice your services directly in the WordPress dashboard.

PRO version is a fantastic plugin that automates invoicing. And it will do it for the MOSS and OSS procedure if you want as well! Individual customers will receive documents with the proper EU VAT number and VAT on the invoice. The business buyers will get reverse charge PDF invoices for WooCommerce orders thanks to the automatic EU VAT number validation in the checkout. The plugin is also great if you need three different types of documents – invoice, proforma, and correction invoice.

The PRO version supports WooCommerce integration with many features like full EU VAT support for the vat invoice. The plugin generates WooCommerce invoices automatically with full support for EU transactions. Also, thanks to the plugin, you may issue invoices in WordPress. The WooCommerce billing and invoicing have never been easier. Try how easy it is to configure the plugin and download invoices 🙂


There is still a lot of work ahead 🙂 The Flexible PDF Invoices for WooCommerce & WordPress invoices will evolve according to your expectations! Let us know what you need from the plugin, and we’ll include it in our plans for plugin development. [You can vote for a feature you like or create your own here

You can install the plugin like any other WordPress plugin.
1. Download and unzip the latest release of the plugin.
2. Upload the entire plugin directory to your /wp-content/plugins/ directory.
3. Activate the plugin through the Plugins menu in the WordPress Administration.

You can also use WordPress uploader to upload the plugin zip file in WordPress menu Plugins -> Add New -> Upload Plugin. Then go directly to point 3.

Can I issue invoices in WordPress?

Yes. Read the docs to see how to issue an invoice in WordPress. You can use the plugin with or without WooCommerce.

How to issue invoices for WooCommerce orders?

Read the docs to see how to issue a WooCommerce invoice manually. If you want to issue PDF invoices automatically in WooCommerce, check out the automatic sending option in the documentation that is available in the PRO version of the plugin.

How to create the custom invoice template for WooCommerce invoices?

See how to make changes and customize invoices templates.

How to issue invoices when selling digital products under MOSS and OSS?

PDF invoices will be issued with WooCommerce order’s positions according to the tax settings in your store. You may also edit or/ and add an invoice manually in WordPress to check the proper EU VAT number and annotation on the invoice according to the type of the customer.

The plugin in the PRO version allows you also to create both reverse charge invoices and invoices with correct VAT according to the customer type (individual or company) 100% automatically. This is possible thanks to the built-in EU VAT number validation for the invoice (you may call this feature an eu vat invoice checker if you will).

You may read more on these PRO features on how to invoice in the European Union using WooCommerce article. There is also the reverse charge vat invoice example.

Is the plugin compliant with the EU law?

Yes. The plugin is compatible with WooCommerce. You may read more about the plugin’s PRO features that will go further in Flexible Invoices for WooCommerce following the EU law!

Can the plugin show vat number on invoices

Yes. You may turn on the VAT number in the plugin’s settings of the WooCommerce checkout. The invoice will then receive the VAT number.

Can I issue a WooCommerce tax invoice with a different currency?

Yes. You may set currencies in the plugin’s settings for WordPress. When WooCommerce is active the order will use its currency settings. And the plugin will issue a currency invoice.

In the PRO version, you may also benefit from the currency exchange table on the vat invoice. Currency conversions are taken from the European Central Bank automatically. You may read more on how to issue currency invoices in WooCommerce article.

How to download invoice in woocommerce?

Thanks to the Flexible Invoices you may use the download invoice button available in the invoice editing screen. You can also use the download invoice buttons while viewing orders or all invoices. In the PRO version, you may use the download invoice button to get all invoices from a chosen date range. Please read the article about printing and downloading documents.

Can I generate the correction invoice?

This option is available in the PRO version. You may read about the PRO feature in the article about issuing correction invoice for WooCommerce orders.

Is the plugin translation ready and has WPML support?

Yes. You may translate it and also add your translation for other users of the plugin.

The plugin supports WPML as well. Read more about translating documents and Flexible Invoices.

5.5.1 – 2021-10-05

  • Fixed hook
  • Fixed document number

5.5.1 – 2021-09-02

  • Added fi/core/document/date/format filter
  • Added fi/core/document/date/issue/format filter
  • Added fi/core/document/date/payment/format filter
  • Added fi/core/document/date/paid/format filter
  • Added fi/core/document/date/sale/format filter
  • Added fi/core/numbering/prefix/space filter
  • Added fi/core/is_invoice_ask filter
  • Added fi/core/is_zero_invoice_ask filter
  • Added support page
  • Fixed cod payment
  • Fixed invoice posts messages
  • Fixed invoice columns
  • Fixed ad box

5.5.0 – 2021-08-19

  • Added support for OSS
  • Added fi/core/register_post_type/can_export filter
  • Fixed tax rates
  • Fixed customer VAT number
  • Fixed quantity product type
  • Fixed country label
  • Fixed signature user hook
  • Fixed enqueue media
  • Fixed filling of customer data on the invoice edit page
  • Fixed saving discount on invoice edit page
  • Fixed email translation

5.4.1 – 2021-07-12

  • Fixed templates

5.4.0 – 2021-06-16

  • Advanced Templates Addon update

5.3.2 – 2021-06-02

  • Fixed Readme

5.3.1 – 2021-05-26

  • Readme

5.3.0 – 2021-05-24

  • Added fi/core/woocommerce/document/item/skip filter
  • Added fi/core/woocommerce/document/item/title filter
  • Added fi/core/woocommerce/document/item/show_meta
  • Fixed vat rates
  • Fixed issuing a document when the product does not exist
  • Remove woocommerce_add_variant_info settings

5.2.2 – 2021-05-13

  • Added new features for integration with Flexible Invoices Sending

5.2.1 – 2021-04-22

  • Fixed duplicated documents
  • Fixed CSS
  • Fixed datepicker field in report & download page
  • Fixed report download and documents
  • Added fi/core/settings/general/signature_users filter

5.2.0 – 2021-03-11

  • Fixed warnings
  • Added new tracker source

5.1.3 – 2021-03-03

  • Fixed fatal error in proforma settings page

5.1.2 – 2021-02-16

  • Remove invoice_ask_field string from order email
  • Added documentation to the plugin
  • Added reverse charge for orders coming from countries outside the EU
  • Fixed duplicated VAT number in order email

5.1.1 – 2021-02-10

  • Fixed fatal error for MPDF library for an old version of the plugin

5.1.0 – 2021-01-28

  • Drop support for PHP 5.6
  • Fixed string of payment method on invoice list.
  • Fixed translations
  • Added deactivation notice when PRO version is enabled
  • Fixed checkout fields
  • Fixed template translations
  • Added address 2 field
  • Added select field for user country
  • Fixed SVG for PDF

5.0.0 – 2021-01-21

  • Major version
  • Added support for WooCommerce
  • Plugin refactor

= 4.4.10 – 2020-11-04
* Fixed WPML integration
* Fixed format number for prices

= 4.4.9 – 2020-09-08
* Readme updated

= 4.4.8 – 2020-08-17
* Fixed notice

= 4.4.7 – 2020-06-14
* Tweaked invoice edit view.
* Move products searching functionality to pro version.
* Added requirement for php ZIP library.

= 4.4.6 – 2020-05-25
* Added updated libraries.
* Added space as allowed character.
* Added missed wpml translations for eu vat number.

4.4.5 – 2020-05-13

  • Fixed translations.

4.4.4 – 2020-05-11

  • Added WPML support.

4.4.3 – 2020-04-22

  • Added duplicated filter.

4.4.2 – 2020-04-09

  • Fixed issue with adding user to invoice.

4.4.1 – 2020-03-24

  • Fixed issue with saving settings.
  • Fixed download invoices and reports.
  • Fixed seller and buyer signatures in PDF document.

4.4.0 – 2020-03-06

  • Fixed invoice saving.

4.3.9 – 2020-03-04

  • Added nonce for ajax requests
  • Added force create .htaccess for invoice directory

4.3.8 – 2020-02-20

  • Fixed notice for duplicated invoices
  • Fixed translations loading

4.3.7 – 2020-02-10

  • Added notice for invoices that are duplicated

4.3.6 – 2020-01-14

  • Added filter for custom location of invoice templates

4.3.5 – 2020-01-07

  • Fixed menu error

4.3.4 – 2019-12-31

  • Added support for WooCommerce 3.9
  • Fixed menu error

4.3.3 – 2019-11-28

  • Added argument to the filter hook.

4.3.2 – 2019-11-18

  • Fixed error with save draft invoice
  • Fixed error with tmp folder

4.3.1 – 2019-11-06

  • Added action flexible_invoices_before_total
  • Added action flexible_invoices_after_total
  • Added filter flexible_invoices_total

4.3.0 – 2019-10-31

  • Restore old version of MPDF library.

4.2.0 – 2019-10-31

  • Added newest MPDF library

4.1.1 – 2019-09-05

  • Prevent fatal error in other plugins

4.1.0 – 2019-09-02

  • Prefixed libraries

4.0.4 – 2019-08-12

  • Remove WooCommerce from requirements

4.0.3 – 2019-07-22

  • Remove WooCommerce from requirements

4.0.2 – 2019-07-11

  • Fixed rare change for fatal error when activating plugin

4.0.1 – 2019-07-04

  • Fixed wc-notice old library that would cause conflicts

4.0.0 – 2019-06-27

  • Added support for WP Desk libraries

3.9.3 – 2019-04-04

  • Fixed fatal error when WooCommerce is not available

3.9.2 – 2019-02-25

  • Removed url from translations

3.9.1 – 2019-01-22

  • Added user select with ajax support (replaced)

3.9 – 2019-01-07

  • Added roles capabilities field to settings page
  • Added link to the corrections documentation

3.8.5 – 2018-12-05

  • Added support for WordPress 5.0

3.8.4 – 2018-10-16

  • Added support for WooCommerce 3.5
  • Dropped support for WooCommerce below 3.0 (the plugin may still work with older versions but we do not declare official support)

3.8.3 – 2018-09-19

  • Fixed roles for bulk delete

3.8.2 – 2018-09-18

  • Added support for roles. Only Administrator and Shop manager roles have access

3.8.1 – 2018-06-26

  • Fixed error with conflict in tracker

3.8 – 2018-06-20

  • Added ability to add invoice notes with flexible_invoices_after_invoice_notes hook
  • Tweaked hiding tax columns to include Gross amount
  • Tweaked tracker data anonymization
  • Fixed tracker notice

3.7.6 – 2018-05-23

  • Added support for WooCommerce 3.4
  • Fixed warnings when issue invoice

3.7.5 – 2018-04-03

  • Tweaked font size in invoice print
  • Tweaked SKU column size to wrap around 6 chars

3.7.4 – 2018-03-06

  • Fixed problems with deactivation plugin on multisite

3.7.3 – 2018-02-19

  • Fixed display on invoice the Bank Account Number after editing the invoice

3.7.2 – 2018-01-16

  • Added support for WooCommerce 3.3
  • Fixed issue enter saving for company name
  • Fixed issue with skipping invoice numbers

3.7.1 – 2017-12-22

  • Fixed minor issue with translations

3.7 – 2017-12-21

  • Added ability to reset invoices and corrections numbering

3.6 – 2017-12-14

  • Added action to change invoice language
  • Added filter to change default currency symbol
  • Tweaked characters escaping for corrections
  • Fixed defeault display currency code instead currency symbol

3.5.1 – 2017-11-22

  • Fixed rows display for corrections when tax is off
  • Fixed corrections currency symbol display when currency position is left

3.5 – 2017-11-08

  • Added support for correction invoices introduced in WooCommerce Flexible Invoices 2.5
  • Fixed docs links
  • Fixed row wrap in SKU column above 10 characters

3.4.9 – 2017-10-10

  • Added compatibility with WooCommerce 3.2
  • Dropped compatibility with WooCommerce 2.5.x (the plugin may still work but we do not declare official support)

3.4.8 – 2017-06-22

  • Integrated WP Desk Tracker class to help us understand how you use the plugin (you need to opt in to enable it)
  • Fixed some minor notices at WooCommerce 3.0
  • Readded translation files to prevent confusion

3.4.7 – 2017-03-23

  • Changed for Polish translation: Data zapÅ‚aty to Termin pÅ‚atnoÅ›ci
  • Fixed issuing invoices when there is no Flexible Invoices – WooCommerce
  • Fixed duplicate numbering invoices for automatic issuing
  • Fixed some minor notices

3.4.6 – 2017-01-19

  • Added invoices managment for Shop Manager role if using Flexible Invoices WooCommerce extension
  • Fixed some minor notices

3.4.5 – 2017-01-09

  • Removed error logging used for development purposes

3.4.4 – 2016-11-23

  • Fixed templates for child themes
  • Tweaked signatures display on PDF invoice

3.4.3 – 2016-11-22

  • Added ability to edit seller’s information when editing invoices
  • Removed translation files in favor of WordPress Directory translations:
  • Tweaked separators in reports
  • Tweaked seller’s name to display name instead of username

3.4.2 – 2016-11-16

  • Added information about Advanced Reports Extension
  • Tweaked rounding in reports
  • Removed calendar icon from date picker – now the calendar opens on focus

3.4.1 – 2016-11-02

  • Fixed loading CSS on All Invoices page

3.4 – 2016-11-02

  • Added currency to reports
  • Upgraded mpdf library to 6.1
  • Conditionally loading assets
  • Added new lines to invoice notes
  • Tweaked decimal separator to use locale settings

3.3.4 – 2016-10-07

  • Fixed a potential CSS conflict

3.3.3 – 2016-09-16

  • Fixed overriding invoice template in themes

3.3.2 – 2016-08-26

  • Fixed capabilities problem when settings were not accessible by admin

3.3.1 – 2016-08-24

  • Fixed issues with multiline textareas
  • Fixed issues with deleting currencies

3.3 – 2016-08-23

  • Major Update!
  • Released in WordPress Plugin Repository
  • Changed name from WordPress Invoices to Flexible Invoices for WordPress
  • Added better invoices and customer search
  • Added payment methods management
  • Added currencies management
  • Added tax rates management
  • Added custom label for date of sale
  • Fixed logo rendering

3.2.1 – 2016-05-23

  • Tweaked to issue invoices based on WordPress time zone settings
  • Re-added Dutch (nl_NL) translation

3.2 – 2016-04-05

  • Converted to English
  • Added Polish (pl_PL) translation
  • Added view/download actions to invoices list and edit pages
  • Fixed deleted invoice handling

3.1.1 – 2016-03-04

  • Added Dutch (nl_NL) translation
  • Added 21% tax rate

3.1 – 2016-01-26

  • Licensing system and automatic updates

3.0.1 – 2015-12-23

  • Fixed a warning in /wordpress-invoices/class/invoicePostType.php on line 55

3.0 – 2015-12-21

  • Added invoice caching and batch zip downloading

2.13 – 2015-11-10

  • Fixed PHP short tags in generated_invoice.php

2.12 – 2015-10-15

  • Added option for hiding VAT number on PDF invoice

2.11 – 2015-09-09

  • Added option for hiding VAT fields on PDF invoice

2.10 – 2015-03-04

  • Tweaked company name field (allowing quotes)
  • Tweaked debug mode
  • Upgrade to MPDF 5.7.4

2.9 – 2015-02-20

  • Tweaked debug mode
  • Fixed prices refreshing after product removal

2.8.1 – 2015-01-05

  • Tweaked displaying payment method (do not show if unknown)

2.8 – 2014-10-17

  • Tweaked invoice file name

2.7 – 2014-10-14

  • Tweaked reporting based on date of sell

2.6 – 2014-10-01

  • Tweaks in invoice template (prices and payments)
  • Fixed invoice preview in WP dashboard

2.5 – 2014-09-30

  • Tweaks in invoice template (order number)

2.4 – 2014-09-28

  • Tweaks after accounting company audit

2.3.1 – 2014-09-26

  • Tweaked decimals in prices and quantities
  • Fixed VAT number handling

2.2.1 – 2014-09-26

  • Fixed working with other plugins

2.2 – 2014-08-29

  • Fixed templates handling
  • Fixed invoice notes display

2.1 – 2014-08-28

  • Fixed access to invoices for not logged in users

2.0 – 2014-08-21

  • Major update!
  • Added invoicing for WordPress (not only WooCommerce)
  • Added PDF invoices
  • Fixed lots of small issues

1.3 – 2014-02-27

  • Added WooCommerce 2.1 compatibility

1.2 – 2013-01-10

  • Added payment status to the invoice template

1.1 – 2013-12-19

  • Fixed coupon handling

1.0 – 2013-11-25

  • First Release!