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WordPress Child Theme Generator

Avantis Child Theme
— free, instant, no coding

Generate a fully-working Avantis child theme instantly — free, with no coding required. Customize the name, author, colors and CSS, then download a ready-to-install ZIP.

Generate Avantis Child Theme →

Free forever. No signup. ZIP downloads in 2 seconds.

Avantis WordPress theme preview
v1.0.9
Latest version
July 28, 2026
Last updated

About Avantis

Avantis is an innovative, easily customizable, multi-purpose theme, focused on empowering users to build astonishing WordPress websites. Avantis is mainly designed for small businesses, startups, or personal portfolio websites and works perfectly with Kubio Page Builder which enriches the WordPress block editor with a variety of new blocks and advanced styling options to give you full design freedom.

By Extend Themes.

Why use a child theme for Avantis?

Every time Avantis ships an update, any direct edits you made to its files are overwritten. A child theme isolates your changes — custom CSS, template overrides, additional functions — so the parent can update freely while your customizations stay intact.

  • Survive Avantis updates without losing your edits.
  • Override any Avantis template file by copying it into the child.
  • Add custom hooks, shortcodes, or enqueue your own scripts.
  • Roll back to the parent at any time by deactivating the child.

How to install your Avantis child theme

  1. 1

    Configure and generate

    Open the generator (already pre-filled with Avantis as the parent), enter your child theme name and any custom CSS.

  2. 2

    Download the ZIP

    The generator builds a ready-to-install ZIP containing style.css, functions.php, screenshot.png and README.txt.

  3. 3

    Upload to WordPress

    In WordPress: Appearance → Themes → Add New → Upload Theme. Choose the ZIP, click Install Now, then Activate. Make sure Avantis itself is also installed (the parent must be present).

Ready for your Avantis child theme?

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Generate Avantis Child Theme

Frequently asked questions

What is a Avantis child theme? +

A child theme is a separate WordPress theme that inherits all functionality, design, and templates from Avantis (its parent). You make your customizations in the child so they survive updates to the parent theme.

Do I need to know code to use this generator? +

No. The generator creates a complete, valid Avantis child theme with style.css, functions.php, screenshot.png, and README.txt. You can customize via the form fields, and if you want to add custom CSS or PHP later you can edit the files directly.

Will the child theme break when Avantis updates? +

That's exactly what a child theme is designed to prevent. Avantis can be updated freely without losing your customizations, because they live in the child theme files.

Is this generator really free? +

Yes. There is no signup, no payment, and no limit on how many Avantis child themes you can generate. The zip is built on demand and downloaded directly to you.