Quillcast
AI tool that converts YouTube transcripts into multiple written formats.
FreemiumWriting & Content
Visit website Free to browse · updated 2026-06-24
What is Quillcast?
The extension focuses on repurposing spoken video content into polished written pieces that suit different publishing needs. Users can obtain organized newsletters highlighting main points, formatted blog entries in Markdown, concise tweet sequences, or summarized descriptions complete with relevant tags. Operation involves selecting a captioned video, choosing an output type, and obtaining the AI-generated result for immediate copying or further adjustment. This method reduces the effort required to adapt video material for text-based channels. Access includes a basic plan allowing a set number of uses monthly across all formats and a subscription option for higher volume needs, with billing handled through established payment services.
Key features
Turn any YouTube video into newsletter, blog, or tweet thread
Chrome extension that reads video transcript and rewrites with AI
Newsletter format with hook and key insights
Blog post format with headings and sections in Markdown
Tweet thread format with 5-7 hooked tweets
Video description format with summary, bullet points, and hashtags
Multi-language output matching video or user-selected language
What you can use Quillcast for
Newsletter Creation
Transform YouTube video transcripts into clean newsletter formats featuring a hook and key insights for quick distribution.
Blog Post Generation
Rewrite video content into structured blog posts with headings and sections delivered in Markdown for easy publishing.
Tweet Thread Production
Convert transcripts into 5-7 hooked tweets that can each stand alone for social media sharing.
How to use Quillcast
- 1Install the Quillcast Chrome extension
- 2Open a YouTube video that has captions
- 3Click the Quillcast button on the page
- 4Select one of the four output formats
- 5Copy the generated text for use
Quillcast pricing
Pricing model: Freemium. Plan details are indicative — check the site for current prices.
Free
Free
- 5 generations per month
- All 4 formats
- Multi-language output
Pro
Popular$8/mo
- Unlimited generations
- All 4 formats
- Multi-language output
Editor's verdict
Pros
- +Works on any YouTube video with captions
- +Free plan with 5 generations per month
Cons
- –Free plan limited to 5 generations per month
- –Requires video captions (manual or auto-generated)
Our take: Quillcast is a solid writing & content choice. It's valued for works on any youtube video with captions and free plan with 5 generations per month. The main trade-off is free plan limited to 5 generations per month. A good pick if you want capable AI without a high upfront cost.
Frequently asked questions
Quillcast is a Chrome extension that reads YouTube video transcripts and uses AI to rewrite them into ready-to-use formats like newsletters, blogs, or threads.
Summary
Quillcast is a solid writing & content choice. It's valued for works on any youtube video with captions and free plan with 5 generations per month. The main trade-off is free plan limited to 5 generations per month. A good pick if you want capable AI without a high upfront cost.
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