Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

What is the difference between an extension, an add-on, and a plugin? Thanks.

  • 1 reply
  • 14 have this problem
  • 80 views
  • Last reply by TonyE

more options

Simple question in headline, please.

Simple question in headline, please.

Chosen solution

Add-ons is the collective name for extensions, themes and plugins. The following link summarises what constitutes extensions, themes and plugins - https://support.mozilla.com/kb/Customizing+Firefox+with+add-ons

Read this answer in context 👍 2

All Replies (1)

more options

Chosen Solution

Add-ons is the collective name for extensions, themes and plugins. The following link summarises what constitutes extensions, themes and plugins - https://support.mozilla.com/kb/Customizing+Firefox+with+add-ons

Modified by TonyE