Privacy policy

Effective date: [EFFECTIVE DATE — set on publish]

What this extension does

Markdown Companion renders .md, .markdown, .mdown, .mkd and .mdx files — opened locally via file:// — as styled, readable pages inside Chrome, with a folder sidebar listing other markdown files in the same local folder.

Data collection

This extension does not collect, transmit, or store any data outside your own device. Specifically:

• It does not use any remote server, analytics, or telemetry.
• All markdown parsing and rendering happens locally, inside your browser.
• The only data it reads is the content of markdown files you open, and — for the folder sidebar — a listing of the folder that file is in.
• Reader preferences (theme, font size, sidebar visibility, reading width) are stored locally via chrome.storage.local and never leave your device.

Permissions and why they're requested

Permission	Why
storage	Save your reader preferences locally.
file:///*	Render local markdown files and list sibling files in the same folder for the navigation sidebar. Chrome additionally requires you to explicitly enable "Allow access to file URLs" for this extension in chrome://extensions — this permission alone does not grant file access; it only takes effect once you turn that toggle on.

Third-party code

Rendering uses open-source libraries bundled into the extension at build time. None of them phone home.

Changes to this policy

Any material change will be reflected in this document with an updated effective date.

Contact

Questions about this policy: [email protected]