Companies using Mozilla Firebug by Mozilla Corporation in 2025
As of 2025, 127 verified companies use Mozilla Firebug – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.
What is Mozilla Firebug by Mozilla Corporation?
Mozilla Firebug by Mozilla is a free and open-source web browser extension for Mozilla Firefox that facilitates the live debugging, editing, and monitoring of any website’s CSS, HTML, JavaScript, and Net requests. It is used by web developers and designers.
Last updated date
August 17, 2025
Number of Companies using
127
The majority are based in the
United States
Most common industry?
Software
Mozilla Firebug’s sample user list in 2025
Company Name
Country
Industry
Employees
Revenue
Product
Cardinal Health
United States
United States
Holding Companies & Conglomerates
48900
$222.3B
Mozilla Firebug
We have data on 127 companies that use Mozilla Firebug. Our Mozilla Firebug customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
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Mozilla Firebug users and customers by country
United States
United Kingdom
2.6K Companies
Canada
2.6K Companies
Netherlands
2.6K Companies
Germany
2.6K Companies
Where Mozilla Firebug Shows Up Most
Mozilla Firebug is used across a wide range of sectors:
Software
Retail
Business Services
Finance
Manufacturing
From lean startups to global enterprises, Mozilla Firebug’s footprint is wide, and that means opportunity.
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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is Mozilla Firebug?
Mozilla Firebug is a free and open-source web browser extension for Mozilla Firefox that facilitates the live debugging, editing, and monitoring of any website’s CSS, HTML, JavaScript, and Net requests. It is used by web developers and designers.
How many companies are using Mozilla Firebug in 2025?
As of 2025, there are 127 verified companies using Mozilla Firebug.
What types of companies use Mozilla Firebug?
Companies using Mozilla Firebug span across various industries, company sizes, and geographies.
What is the most common country where Mozilla Firebug is used?
The United States is the country with the highest usage of Mozilla Firebug.
Which industries are the primary users of Mozilla Firebug?
The software industry is the leading user of Mozilla Firebug, followed by Retail, Business Services, Finance and Manufacturing.