Legal

Privacy Policy

Last updated: May 2026

Overview

At Markdown Export, we take your privacy seriously. This Privacy Policy explains how our macOS application handles your data and personal information.

Markdown Export is a local-first application for macOS. Your documents and data stay on your device.

What Data We Collect

Information You Create

Markdown Export processes markdown documents that you create or open within the application. This content:

  • Remains stored locally on your macOS device
  • Is not transmitted to our servers
  • Is not collected, tracked, or stored by us
  • Is used only to generate exports (PDF, Word, HTML, ePub, or PNG)

What We Do Not Collect

We, the developer of Markdown Export, do not collect, track, or store:

  • Your name, email, or contact information (unless you contact support)
  • Usage analytics or telemetry
  • Device identifiers
  • Location data or browsing history
  • The contents of any document you create, open, or export

Note: the app does not make outbound network requests in normal use. The only third-party endpoint involved is Apple's StoreKit for optional in-app purchases. See "Third-Party Services" below for details.

Export Processing

When you export your markdown document, every conversion happens locally on your Mac:

  • PDF: Rendered locally with the bundled html2canvas + jsPDF libraries (multi-page paginated on-device).
  • Word (.docx): Produced locally as real Office Open XML via Apple's built-in NSAttributedString converter — not an HTML-with-.doc rename.
  • HTML: Generated locally as a fully styled single-file document.
  • ePub 3.0: Packaged locally as a standards-compliant .epub using the bundled JSZip library.
  • PNG: Rendered locally as a high-resolution image of the preview.
  • Batch Export (Pro): Iterates the files you select and writes the PDFs to the folder you choose — none of those files are read or transmitted by us.

All export files are generated on your device and saved to a location you choose. We have no access to these files.

Third-Party Services

Bundled Open-Source Libraries

Markdown Export ships its rendering libraries inside the app bundle. They run entirely on your Mac and never make network requests. The app does not use any content-delivery network (CDN) at runtime; nothing is downloaded when you open or use it:

  • marked — Markdown parsing
  • html2canvas — Preview-to-canvas rendering for PDF and PNG export
  • jsPDF — PDF assembly (bundled together with html2pdf.js)
  • highlight.js + GitHub style sheet — Code syntax highlighting
  • KaTeX + auto-render — LaTeX math rendering ($...$, $$...$$)
  • Mermaid — Diagram rendering for fenced mermaid code blocks
  • JSZip — ePub packaging

Because all libraries are bundled, Markdown Export works offline and your IP address, User-Agent, document content, and file names are not exposed to any third-party server during normal use.

Apple Services

If you choose to upgrade to Markdown Export Pro (Monthly, Yearly, or Lifetime), the in-app purchase is processed by Apple's StoreKit. Payment, billing, and subscription management are handled by Apple under Apple's Privacy Policy. We never see your payment information. Receipt verification used to restore purchases is handled by StoreKit on-device.

If you tap "Review" in the app, macOS may show Apple's standard rating prompt or open the Mac App Store. Your interaction with that prompt is governed by Apple's privacy policy.

Outbound Image URLs in Your Documents

If you embed an image with a remote URL such as ![alt](https://example.com/pic.png), the preview pane (a sandboxed WebKit view inside the app) fetches that image from the URL you specified, the same way any browser would. That request is made directly to the third-party host you chose — Markdown Export does not proxy, log, or share it. You control which URLs appear in your documents.

Security & Data Protection

Your documents are protected by:

  • Local processing — all document parsing, PDF generation, image rendering, and Word export happens on your Mac
  • No transmission of document content — your text and exports never leave your device
  • macOS App Sandbox and Hardened Runtime — the app runs with strict system-enforced isolation
  • Your control over where files are saved via the standard macOS save panel

Support Inquiries

If you contact us for support, we may collect:

  • Your email address (provided by you)
  • Details about your issue or question
  • Information needed to help resolve your issue

This information is used solely to assist you and is not shared with third parties.

Changes to This Policy

We may update this Privacy Policy as needed. When we make material changes, we will update the "Last updated" date above. Continued use of Markdown Export after changes indicates your acceptance of the updated policy.

Questions?

If you have any questions about this Privacy Policy or how Markdown Export handles your data, please don't hesitate to reach out.

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