Quillcast

Turn any YouTube video into a newsletter, blog, or tweet thread — in one click.

Quillcast is a Chrome extension that reads a video's transcript and rewrites it into ready-to-use text with AI. Stop retyping. Repurpose in seconds.

See pricing Chrome extension · works on any YouTube video with captions

What you get

📰 Newsletter

A clean, structured issue with a hook and key insights.

✍️ Blog post

Headings and sections, in Markdown, ready to publish.

🐦 Tweet thread

5–7 hooked tweets, each readable on its own.

📄 Video description

Summary, bullet points, and relevant hashtags.

How it works

  1. Open any YouTube video that has captions (manual or auto-generated).
  2. Click the Quillcast button and pick a format.
  3. Copy your generated text. Output language matches the video, or pick your own.

Pricing

Free

$0
  • 5 generations per month
  • All 4 formats
  • Multi-language output

Pro

$8 / month
  • Unlimited generations
  • All 4 formats
  • Multi-language output

Subscriptions are billed securely through Lemon Squeezy. Cancel anytime.