Companies using Prefix-Free by Lea Verou in 2025
As of 2025, 225 verified companies use Prefix-Free – 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 Prefix-Free by Lea Verou?
Prefix-Free by verou.me is a CSS extension designed to automatically add vendor prefixes to CSS properties. This enables web developers to write cleaner, more standards-compliant CSS code, as the tool handles the complexities of browser-specific prefixes. It’s particularly useful for front-end developers and web designers across diverse industries, ensuring consistent styling and reducing development time.
Last updated date
Number of Companies using
225
The majority are based in the
United States
Most common industry?
Business Services
Prefix-Free’s sample user list in 2025
We have data on 225 companies that use Prefix-Free. Our Prefix-Free 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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Prefix-Free users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where Prefix-Free Shows Up Most
Prefix-Free is used across a wide range of sectors:
Business Services
Software
Manufacturing
Finance
Education
From lean startups to global enterprises, Prefix-Free’s footprint is wide, and that means opportunity.

Tech Stack Database
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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is Prefix-Free?
Prefix-Free is a CSS extension by Lea Verou designed to automatically add vendor prefixes to CSS properties, allowing for cleaner and more standards-compliant CSS code.
How many companies are using Prefix-Free in 2025?
As of 2025, our data shows that 225 verified companies are using Prefix-Free across various industries, company sizes, and geographies.
What are the primary benefits of using Prefix-Free?
Prefix-Free helps ensure consistent styling across different browsers, reduces development time by automating vendor prefix management, and allows developers to write cleaner CSS code.
Which industries are most commonly using Prefix-Free?
The industries that most commonly use Prefix-Free include Business Services, Software, Manufacturing, Finance, and Education.
In which countries is Prefix-Free most popular?
Prefix-Free is most popular in the United States, followed by the United Kingdom, Germany, Canada, and Australia.