Powerful Features for Privacy Protection
Automatic Cloaking
Set up your replacement rules once, and ClassCloak automatically cloaks names across any webpage you visit.
Save Time, No Blurring Needed
Works in real-time as you browse. No need to manually blur screenshots or videos — ClassCloak handles it automatically.
Smart Pattern Detection
Use the element picker to quickly identify and cloak specific names or patterns on any page.
Privacy First
All processing happens locally in your browser. Your rules and data never leave your device.
Your Privacy is Our Priority
ClassCloak is built with privacy at its core. We believe student data should never leave your device.
- 100% local processing—all name replacement happens in your browser, nothing is sent to our servers
- Zero data collection—we don't collect, store, or transmit any student information
- No personally identifiable information (PII) is ever sent to us—your data never leaves your computer
- FERPA compliant by design—helps you maintain compliance by ensuring student information never leaves your control
How It Works
Add ClassCloak
Add the extension to Chrome in just one click. No setup required!
Create Your Rules
Add replacement rules for student names. For example: "John Smith" → "Mickey Mouse"
Browse with Confidence
ClassCloak automatically cloaks names on any webpage you visit. Create content worry-free!
Trusted by
Teachers
Create example worksheets, presentations, and handouts without exposing student names.
Administrators
Share screenshots of student portals, gradebooks, or reports while maintaining privacy.
Content Creators
Create educational content, tutorials, or training materials with realistic but safe examples.
EdTech Companies
Demonstrate your platform with realistic data while protecting user privacy.
Frequently Asked Questions
ClassCloak is a free Chrome browser extension that automatically replaces student names with fictional names on any webpage. Simply install the extension, create replacement rules for the names you want to cloak, and ClassCloak will automatically replace them as you browse. This allows educators to create classroom materials, take screenshots, and share examples without exposing real student information.
Yes! ClassCloak offers a free version with all basic features. There are no hidden fees, no credit card required for the free version, and all core privacy protection features work without any payment. We believe student privacy protection should be accessible to all educators. We also offer ClassCloak Pro with additional advanced features for those more serious about content creation who need more customization options.
ClassCloak is designed to help educators comply with FERPA (Family Educational Rights and Privacy Act) and other student privacy regulations by preventing accidental disclosure of student names. However, it's important to note that ClassCloak is a tool to assist with privacy protection, and educators should still follow their school's policies and applicable laws when sharing student information or classroom materials.
All ClassCloak processing happens locally in your browser. Your replacement rules and data never leave your device. We don't collect, store, or transmit any student information. Your data is stored locally using Chrome's storage API and is synced across your devices only if you're signed into Chrome. We take privacy seriously and have designed ClassCloak to be as privacy-preserving as possible.
Yes! ClassCloak works on any webpage you visit in Chrome, including Google Classroom, gradebook systems, student information systems, and any other educational platform. Simply enable ClassCloak on the page, and it will automatically apply your replacement rules to cloak student names.
Creating replacement rules is easy! Click the ClassCloak extension icon in your browser toolbar, then click "Add Rule." You can either manually enter a name to replace, or use the element picker to select a name directly from a webpage. Choose a replacement name (we suggest fictional names like "Mickey Mouse" or "Minnie Mouse"), and ClassCloak will automatically replace all instances of that name on any webpage.
No, ClassCloak is designed to be lightweight and performant. We use optimized algorithms and batch processing to ensure minimal impact on browser performance. Most users don't notice any difference in browsing speed, even on large pages with many names to replace.
Yes! You can easily disable ClassCloak on any page by clicking the extension icon and toggling it off. In the free version, you'll need to refresh the page to see the original names again. Pro users can enable and disable ClassCloak instantly without page refreshes.
ClassCloak is developed by Razor Sparrow LLC, a company dedicated to creating tools that help educators work more effectively while protecting student privacy. Our team has extensive experience in educational technology and privacy protection. You can learn more about us at razorsparrow.com.
We're here to help! Visit our Support page for documentation, tutorials, and contact information. You can also email us directly at [email protected]. We typically respond within 24 hours and are always happy to help with any questions or issues you encounter.