Substack PDF Downloader — Neo Cortex

Substack PDF Downloader is a productivity focused Chrome extension that lets you save any Substack post as a high-fidelity PDF/MarkDown/JSON/Text with a single click. Perfect for offline reading, research, and long-term archiving.

Stop relying on screenshots or unreliable third-party tools. This extension converts articles into clean, beautifully formatted PDFs while preserving layout, images, and links.

🚀 Key Features

📥 One-Click PDF Download
Instantly convert the current Substack post into a professionally formatted PDF directly from the page. Other formats include Markdown, JSON, and Text.

📚 Batch Download from Archives (Premium)
Download multiple posts from a publication’s archive automatically — ideal for long-form reading or backups. Includes smart "Fast-Forward" technology to instantly skip excluded dates.

☁️ Cloud Sync & Backup (Premium)
Automatically upload every downloaded PDF/MarkDown/JSON/Text to your Google Drive, Dropbox, or Yandex Disk. Keep your library safe and accessible from anywhere.

🎨 High-Fidelity Rendering
Preserves typography, images, links, and spacing for a true reading experience.

🌙 Smart Light & Dark Mode + Premium Themes
Automatically matches your browser’s color scheme. Premium users unlock exclusive themes: OLED (True Black), Cyberpunk, Forest, and Violet.

📂 Custom File Naming
Choose how files are named — by title, date, or publication structure.

🧠 Download History & Smart Caching
View past downloads and optionally skip posts you’ve already saved.

🔐 Paid Content Support
Downloads posts you already have access to using your existing login session.

🌍 Global Support
Fully localized in 61 languages with native translations, ensuring a seamless experience for users worldwide.

🧭 How It Works
- Open any Substack article
- Click the floating Download PDF/MarkDown/JSON/Text button
- The post is rendered and saved as a high-quality PDF/MarkDown/JSON/Text automatically

🔒 Privacy & Security
- No tracking or analytics
- No content scraping beyond the current page
- All downloads respect your existing access rights

💡 Ideal For
- Newsletter readers and researchers
- Writers and editors
- Students and academics
- Anyone who wants offline access to long-form content

📦 Free & Premium Plans
- Free: 10 downloads per day
- Weekly Flexible: 150 downloads per day
- Monthly Pro: 250 downloads per day + Batch Download + Cloud Sync
- Yearly Ultimate: 500 downloads per day + 3 Months Free
- Subscriptions can be managed or canceled anytime