Last Updated: February 2026
Overview
Mark It Down is a Chrome extension that provides a WYSIWYG Markdown note-taking experience in your new tab and side panel. Starting with v2.0.2, it also includes a Web Clipper that lets you save any web page or AI chat output as Markdown directly into your notes. This privacy policy explains how we handle your data.
Data Collection
Mark It Down does NOT collect, transmit, or share any personal data.
All your notes and settings are stored locally in your browser using Chrome's storage API. We do not have servers and do not collect any information about you or your usage.
Data Storage
| Data Type | Storage Location | Transmitted? |
|---|---|---|
| Notes | Local (chrome.storage.local) | No* |
| Settings | Local (chrome.storage.local) | No |
| Git Token | Local (encrypted) | No |
*Unless you explicitly enable Git synchronization
Web Clipper (Added in v2.0.2)
The Web Clipper lets you right-click any page to save it as Markdown into your notes.
How It Works
- When you right-click and choose a clip action, the extension reads the current tab's HTML and converts it to Markdown
- The resulting Markdown is saved locally to your notes — no data is sent to any server
- Some platforms (e.g. AI chat services) may use your authenticated session cookies to retrieve higher-quality content for conversion. These cookies are never collected, transmitted, or stored by the extension
What the Web Clipper Does NOT Do
- No background reading — pages are only read when you explicitly trigger a clip action
- No credential collection or transmission of any kind
- No browsing history tracking
- No access to other tabs or windows
Git Synchronization (Optional)
If you choose to enable Git synchronization:
Token Security
- Encryption: Your token is encrypted using AES-256-GCM with PBKDF2 key derivation
- Storage: The encrypted token is stored only in your browser's local storage
- No transmission to us: Your token is never sent to our servers (we don't have any)
Data Transmission
- Direct Communication: Notes are transmitted directly between your browser and your Git repository
- No Intermediary: No data passes through any third-party servers
- Your Control: You can disconnect Git synchronization at any time
Permissions Explained
| Permission | Purpose |
|---|---|
| storage | Store your notes and settings locally in Chrome |
| unlimitedStorage | Support unlimited notes without storage restrictions |
| sidePanel | Enable the side panel feature for note-taking while browsing |
| contextMenus | Add right-click menu entries for the Web Clipper |
| activeTab | Read the current tab's content when you trigger a clip action |
| scripting | Run the content extraction script on the active tab during a clip action |
Third-Party Services
Mark It Down does not integrate with any third-party analytics, advertising, or data collection services.
The only external services involved are GitHub/GitLab (optional), and communication is direct between your browser and the Git service.
Data Retention
- Your data remains on your device as long as the extension is installed
- Uninstalling the extension will delete all locally stored data
- We have no access to your data and cannot recover it
Contact
If you have questions about this privacy policy, please visit our Feedback page.
Summary
Your data is yours. We don't collect it, we don't see it, we don't sell it. Everything stays on your device.