Web to Markdown with AI
Save messy sources as linked Markdown.
Cortex.md captures web pages, selections, PDFs, DOCX, Markdown/text/HTML files, Drive files, Gmail threads, and YouTube transcripts into a local vault.
Free includes quick capture. Plus and Pro unlock more source types.
web -> raw -> wiki/sources
Messy source
Clean Markdown
frontmatter: source, tags, categorylinks: [[Entities]], [[Concepts]]
Plain files, AI-organized for reuse.
Capture more than pages.
The advantage is a complete local source vault: browser captures, email threads, Drive docs, documents, and transcripts in one Markdown graph.
01
Capture
Trigger capture or ingest from the browser, Drive, Gmail, or document upload.
02
Normalize
Cortex.md writes raw source files and AI-generated source notes.
03
Use
Ask, search, graph, research, audit, and open the vault anywhere.
Who this is for
- Researchers who collect source material across many formats.
- Developers, founders, and writers who live in Markdown.
- Privacy-conscious users who want local file ownership.
Plan fit
Free for quick web capture, Plus for source breadth, Pro for depth.Use Pro when max-depth ingest, deep research, Drive research, and graph audit work matter.
Local-first by default. AI only when you ask.
- Your vault is a folder on your disk.
- Cortex.md uses active tab access for capture.
- Google Drive and Gmail actions require explicit connection and selection.
- No ad tracking. Read the privacy policy.
FAQ
Is this just HTML to Markdown?
No. Cortex.md adds AI summaries, tags, categories, wikilinks, graph data, and Q&A.
Are files proprietary?
No. The vault is plain Markdown on disk.
Can I ingest YouTube transcripts?
Yes, user-triggered YouTube transcript capture is supported.
What happens when credits run out?
Expensive AI actions pause until credits reset or the plan changes.