Privacy Policy - Vision Aid Extension

Last Updated: October 11, 2025

TL;DR: Vision Aid collects NO personal data, sends NO data to external servers, and stores settings only locally on your device. Your privacy is fully protected.

Overview

Vision Aid is committed to protecting your privacy. This extension operates entirely locally on your device and collects NO personal data.

What Data We Collect

SHORT ANSWER: NONE

Vision Aid does not collect, store, or transmit any personal information, browsing data, or usage statistics to external servers.

What Data is Stored Locally

The following settings are stored only on your device using your browser's local storage:

Color correction profile (protanopia, deuteranopia, tritanopia, or off)
Font size and line height preferences
High contrast mode settings
Per-site preferences (which settings to use on specific websites)
Custom presets you create
Onboarding completion status

This data:

✓ Stays on YOUR device only
✓ Never leaves your browser
✓ Is NOT transmitted to any servers
✓ Is deleted when you uninstall the extension

What We Do NOT Collect

✗ Browsing history
✗ Personal information (name, email, etc.)
✗ Website content you view
✗ Form data or passwords
✗ Usage analytics or telemetry
✗ IP addresses
✗ Device information
✗ Cookies or tracking data

Permissions Explained

The extension requests the following permissions:

storage

Why: Save your accessibility settings locally on your device so they persist across browsing sessions.

activeTab

Why: Apply color correction and readability enhancements to the webpage you're currently viewing.

scripting

Why: Inject accessibility modifications (color filters, font adjustments) into web pages. All code runs locally in your browser.

host_permissions (<all_urls>)

Why: Allow the extension to work on all websites so you can use accessibility features anywhere you browse.

Third-Party Services

Vision Aid does NOT use any third-party services, analytics, or tracking tools. The extension is completely self-contained and works offline.

Data Sharing

We do not share any data with third parties because we don't collect any data in the first place.

Children's Privacy

Vision Aid is safe for users of all ages. We do not collect personal information from anyone, including children.

Security

Since all data is stored locally on your device:

Your settings are as secure as your browser profile
No data transmission means no interception risk
No servers means no data breaches possible

Your Rights

You have complete control over your data:

View settings: Open the extension options page
Delete settings: Uninstall the extension or use "Reset to defaults"
Export settings: Use the built-in export feature
Import settings: Use the built-in import feature

Open Source

Vision Aid is open source. You can verify that we don't collect data by reviewing the source code on GitHub.

Changes to This Policy

If we update this policy, we will update the "Last Updated" date above. Continued use of the extension after changes means you accept the updated policy.

Contact

For questions or concerns about privacy:

GitHub: GitHub Repository

Summary

Vision Aid is a privacy-first extension:

✓ Zero data collection
✓ Zero tracking
✓ Zero external requests
✓ 100% local operation
✓ Open source

Your accessibility preferences stay on your device, period.

Last Updated: October 11, 2025