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Who We Are: Leading Browser Extension Developers

Cusmize is a dedicated team of browser extension developers and web customization enthusiasts committed to creating high-quality, free browser extensions that enhance your digital experience. We specialize in developing Chrome extensions, Firefox addons, Edge extensions, and other browser customization tools that help millions of users personalize their browsing experience.

Our browser extensions are available on all major extension marketplaces including Chrome Web Store, Firefox Add-ons, and Microsoft Edge Add-ons. We focus on creating lightweight, privacy-focused extensions that work seamlessly across different browsers and platforms. Whether you're looking to customize your scrollbar, add animated cursor trails, personalize your YouTube experience, or enhance your browser in other ways, Cusmize provides the tools you need.

What sets Cusmize apart is our commitment to free, open, and privacy-first browser extensions. We believe that browser customization should be accessible to everyone, which is why all our extensions are completely free to use, require no account registration, and respect your privacy by working locally in your browser without collecting personal data.

Our Story

Making the web more personal

Cusmize was born from a simple idea: everyone should be able to customize their browsing experience. We develop browser extensions and Chrome extensions that let you personalize scrollbars, cursor trails, YouTube players, and more. Our Firefox addons and browser customization tools are free, easy to use, and work seamlessly with Chrome, Firefox, Edge, and Opera browsers.

Our Mission

To provide high-quality browser customization tools that are free, safe, and easy to use. We believe everyone deserves a personalized browsing experience. Check out our FAQ page to learn more.

Our Vision

To become the go-to platform for browser customization, where users can find everything they need to make their web experience uniquely theirs. Explore our products or visit our blog for the latest updates.

By The Numbers

Our Impact

Join thousands of users who have personalized their browsing experience with Cusmize browser extensions. Our Chrome extensions, Firefox addons, and Edge extensions are trusted by users worldwide for their quality, reliability, and commitment to privacy.

100K+
Active Users
Users actively customizing their browsers
500K+
Downloads
Total extension downloads across all platforms
15+
Extensions
Free browser extensions available
4.8
Average Rating
User satisfaction rating
Why Choose Us

What makes Cusmize special

We're committed to providing the best browser customization experience with free, privacy-first tools. Our Chrome extensions, Firefox addons, and Edge extensions are designed with user experience and privacy in mind, ensuring you get the customization you want without compromising your data or browser performance.

Free & Open

All our extensions are completely free to use. No hidden fees, no premium tiers, just free customization tools for everyone.

Easy Installation

Install any extension in seconds directly from Chrome Web Store or Firefox Add-ons. Browse our collection of extensions.Learn more →

Regular Updates

We continuously improve our tools based on user feedback and browser updates to ensure the best experience.

Privacy First

We respect your privacy. Our extensions work locally and don't collect personal data. Your customization stays on your device.Learn more →

User Feedback

What our users say

Real feedback from users who love customizing their browsers with Cusmize extensions.

Alex M., Web Developer

Web Developer

The custom scrollbar extension is exactly what I needed. Simple, beautiful, and works perfectly with all my favorite websites.Try it now
Maria K., Designer

Designer

I love how easy it is to customize my browser. The cursor trail extension adds such a nice personal touch to my browsing experience.Try it now
James T., Content Creator

Content Creator

PokedTube theme for YouTube is fantastic! It makes watching videos so much more enjoyable. Highly recommend trying it out.Try it now
Compatibility

Works Everywhere

Our browser extensions are designed to work seamlessly across all major browsers and platforms. Whether you use Chrome, Firefox, Edge, or Opera, our extensions provide consistent functionality and customization options. All our Chrome extensions are available on Chrome Web Store, Firefox addons on Firefox Add-ons marketplace, and Edge extensions on Microsoft Edge Add-ons store.

🌐

Google Chrome

Full support for all extensions

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Mozilla Firefox

Compatible with Firefox Add-ons

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Microsoft Edge

Works seamlessly on Edge

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Opera

Opera browser compatibility

Our Process

How We Build

From idea to release, we follow a user-centered approach to create the best browser customization tools. Our development process ensures that every Chrome extension, Firefox addon, and Edge extension we create meets high standards for quality, performance, and user experience. We test extensively across different browsers and platforms to ensure compatibility and reliability.

01

Research & Planning

We analyze user needs and browser capabilities to identify the best customization opportunities. Our team studies market trends and user feedback to create tools that truly matter.

02

Development & Testing

Our team builds extensions with clean code, extensive testing, and performance optimization. Every extension goes through rigorous quality assurance before release.

03

Release & Support

We publish to official stores and provide ongoing support, updates, and feature enhancements. Your feedback drives our improvements.

Our Values

What drives us

These core values guide everything we do and shape how we serve our community.

User First

Every decision we make starts with our users. Your experience and satisfaction are our top priorities. We listen to feedback and continuously improve.

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Innovation

We constantly explore new ways to enhance browser customization and bring fresh ideas to the table. Innovation drives everything we do.

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Transparency

We believe in being open and honest. No hidden fees, no data collection, just straightforward tools. Check our Privacy Policy to learn more.

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Quick Answers

Frequently Asked Questions

Have questions? We've got answers. Check out our most common questions below.

Are Cusmize extensions free?

Yes! All our browser extensions are completely free to use. No hidden fees, no premium tiers, just free customization tools for everyone.

Do extensions collect my data?

No. We respect your privacy. All our extensions work locally in your browser and don't collect or transmit any personal data. See our Privacy Policy for details.

Which browsers are supported?

Our extensions work with Chrome, Firefox, Edge, and Opera. We continuously update them to support the latest browser versions.

How do I install an extension?

Simply visit the Chrome Web Store or Firefox Add-ons, find our extension, and click 'Add to Browser'. Installation takes just a few seconds.

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Ready to customize your browser?

Explore our collection of free browser extensions and start personalizing your web experience today. Need help? Visit our support page or check the FAQ.