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A MantraBrain brand · building for WordPress since 2019

WordPress plugins that run your business.

Send invoices and get paid. Earn from ads. Turn posts into PDFs and put places on a map. Free on WordPress.org, with Pro when you need more.

Active installs
8,000+
Products
15
Years
7+

Across MatrixAddons and MantraBrain plugins and themes, from WordPress.org.

Free versions on WordPress.org

14-day money-back guarantee

GPL, clean and extendable code

Support from the people who build it

Flagship products

Two plugins that pay for themselves

One gets you paid for your work. The other earns from every page you publish.

Easy Invoice

Invoicing & billing · 500+ installs ·

Invoices, quotes and payments inside WordPress

  • Unlimited invoices and quotes, PDFs in nine designs
  • PayPal free; Stripe, Square, Mollie and more in Pro
  • 26 Pro addons: recurring billing, client portal, e-invoicing
  • Sync with QuickBooks, Xero and FreshBooks
Explore Easy Invoice Free · Pro from $79/yr

AdFlow

Ads & monetisation · 3,000+ installs ·

AdSense, sponsors and every ad network in one plugin

  • Auto and manual AdSense, placements without code
  • ads.txt manager and Consent Mode v2, free
  • Switch from Advanced Ads, Ad Inserter, AdRotate, WP QUADS
  • Pro: earnings dashboard, click protection, sell ads
Explore AdFlow Free · Pro from $49/yr

Why MatrixAddons

Built to save you time, not to add work

Easy to use

Set up in minutes, with sensible defaults and no code required.

Lightweight and fast

Assets load only where they are used, so your pages stay quick.

Responsive support

Friendly help from the developers who wrote the code.

Developer friendly

Clean, documented code with hooks, a REST API and GPL licensing.

Regular updates

Tested with each WordPress release and improved from your feedback.

Scales with you

From a personal blog to an agency running many client sites.

Testimonials

Why developers and site owners trust us

“Easy Invoice offers a user-friendly interface, making it easy for both beginners and experienced users to generate and manage invoices. The setup process is straightforward, and users can quickly adapt to the plugin’s functionalities.”
Dipen Dahal Senior Software Engineer · Easy Invoice
“This is a great plugin to add a download as a PDF for your WordPress posts and pages. Simple to install and setup. Plugin creator is responsive to support questions.”
kingfish65 WordPress.org review · Document Engine
“Used this plugin to generate invoices for my clients. Works perfectly.”
Aashan Ghimire Entrepreneur · Easy Invoice

Not sure which plugin fits?

Tell us what you are building. A real person on the team will reply, usually within two business days.