Released as version 1.0 by Mozilla in 2004, Firefox used tabs and pop-up blocking to break Internet Explorer’s grip and is still governed by a nonprofit foundation. Privacy-minded users in Germany and France, open-source communities and public agencies keep it, drawn by its extensions and container tabs.
Within this atlas it appears in 4 markets: Indonesia, Russia, Spain, Poland.
Key facts
- Developer
- Mozilla
- Launched
- 2004
- Platforms
- iOS · Android · Web · Windows · macOS · Linux
- Category
- Tools
- Official website
- firefox.com
Where it is used
4
Frequently asked questions
5 Q&AWhat is Firefox?
Firefox is a tools app developed by Mozilla and launched in 2004. The open-source browser from a nonprofit. Released as version 1.
Who develops Firefox?
Mozilla. The product launched in 2004 and runs on iOS · Android · Web · Windows · macOS · Linux.
In which countries is Firefox popular?
Within this atlas it appears in 4 markets: Indonesia, Russia, Spain, Poland.
What is the official website of Firefox?
The official site is https://firefox.com.
What kind of app is Firefox?
It belongs to the tools category, alongside 210 other apps in this index.
Sources
Updated 2026-11-12- DataReportal — Digital 2026
- ITU — Statistics
- Official product sites
World Sites & Apps. “What is Firefox? Developer, launch year and countries”. 2026. https://abcvv.com/a/firefox.html