Privacy Policy for ChatGPT Conversation Bookmarks, ChatMarker

Last Updated: October 17, 2025

Introduction

ChatGPT Conversation Bookmarks, ChatMarker (“the Extension”) is committed to protecting your privacy. This privacy policy explains how the Extension handles your data.

Data Collection and Storage

What Data is Stored Locally

The Extension stores the following data locally on your device only:

Bookmark Names: Custom names you provide when creating bookmarks
Message Previews: Text excerpts from ChatGPT conversations that you explicitly bookmark
Conversation URLs: URLs of the ChatGPT conversations containing your bookmarks
Timestamps: Date and time when bookmarks were created
Turn Indices: Internal identifiers for navigation purposes

How Data is Stored

All data is stored using Chrome’s local storage API (chrome.storage.local). This means:

Data remains only on your device
Data is never transmitted to any external servers
Data is never shared with the extension developer
Data is never sold or transferred to third parties

Data You Control

You have complete control over your data:

Create: You decide what to bookmark
View: Access your bookmarks anytime through the extension popup
Delete: Remove individual bookmarks, entire conversations, or all bookmarks at once
Export: Download your bookmarks as JSON for backup purposes

What We Do NOT Collect

The Extension does NOT collect, transmit, or have access to:

Personal information (name, email, address, phone number)
Authentication credentials (passwords, API keys)
ChatGPT account information
Browsing history beyond bookmarked conversations
Usage analytics or telemetry
Cookies or tracking data
Any data from websites other than ChatGPT

Permissions Explained

The Extension requests the following permissions:

`storage`

Required to save bookmarks locally on your device.

`activeTab`

Required to communicate between the extension popup and ChatGPT tabs for navigation and UI updates. Does not grant access to other websites or tabs.

Host Permissions: `https://chat.openai.com/` and `https://chatgpt.com/`

Required to inject bookmark functionality (buttons, floating widget, citation links, download feature) into ChatGPT conversation pages. The Extension only operates on ChatGPT domains and does not access any other websites.

Third-Party Services

The Extension does NOT use any third-party services, analytics, or tracking tools. It operates entirely offline once installed.

Data Security

Since all data is stored locally on your device:

Security depends on your device’s security measures
Data is protected by Chrome’s built-in security mechanisms
No data is transmitted over the internet
No risk of data breaches from external servers

Children’s Privacy

The Extension does not knowingly collect data from users of any age. All functionality is local and user-initiated.

Changes to This Privacy Policy

We may update this privacy policy from time to time. Changes will be reflected in the “Last Updated” date above. Continued use of the Extension after changes constitutes acceptance of the updated policy.

Contact

If you have questions about this privacy policy or the Extension’s data practices, please contact me through my website’s contact form.

Compliance

This Extension complies with:

Chrome Web Store Developer Program Policies
Chrome Extension Privacy Requirements
General Data Protection Regulation (GDPR) principles
California Consumer Privacy Act (CCPA) principles

Your Rights

You have the right to:

Know what data is stored (view bookmarks in the popup)
Access your data (export feature)
Delete your data (clear all bookmarks)
Uninstall the Extension at any time (removes all local data)

Summary: ChatGPT Conversation Bookmarks stores bookmark data locally on your device only. No data is collected, transmitted, or shared with anyone. You have complete control over your bookmarks.

Privacy Policy - ChatGPT Conversation Bookmarks