Install IDU+ from Firefox Add-ons

Install the official IDU+ Firefox add-on, then refresh the IDU portal to enable the cleaner interface, themes, and layout tools.

Open Firefox Add-ons
5 minutes Official listing

Installation steps

1

Open the official listing

Use the official Mozilla Add-ons page for IDU+. Avoid reposted packages, mirror downloads, or copied extension archives.

Go to the IDU+ listing
2

Add the extension

Click Add to Firefox, review the permissions prompt, and confirm the installation from Firefox's native dialog.

3

Pin IDU+

Open the extensions menu and pin IDU+ to the toolbar so its settings stay easy to reach later.

4

Refresh the portal

Open or refresh the IDU portal. IDU+ should apply its interface layer after the page finishes loading.

5

Configure appearance

Open the IDU+ popup and choose your theme, accent color, title font, and preferred portal layout.