Turn any YouTube video into a viral Twitter thread
Paste a URL. Get a 10-tweet thread with hook variants, optimized for engagement on X. No signup required for your first thread.
No credit card required. Cancel anytime.
Hook variants included
We generate 3 opening tweets so you can pick the one most likely to stop the scroll.
Native X formatting
Line breaks, emoji placement, and character counts tuned for the X algorithm.
Your voice, not AI-speak
Brand Voice training keeps the tone yours, not generic.
How it works
Paste the YouTube URL
Any public video works — no channel ownership needed.
AI builds the thread
Claude reads the transcript and pulls the most quotable moments.
Copy & post
One-click copy or schedule via your favorite tool.
What you get
Every repurpose generates multiple ready-to-publish formats from a single source.
Frequently asked questions
Is the YouTube to Twitter thread tool free?
Yes — your first thread is free with no signup. After that, free accounts get 3 repurposes per month.
Do I need the video's transcript?
No. PostSpark fetches the transcript automatically from the YouTube URL.
Can I edit the thread before posting?
Yes. Every tweet is editable in the dashboard, and we generate 3 hook variants so you can A/B test.
How long can the source video be?
Up to 3 hours. Longer videos are chunked and summarized in stages.
Try PostSpark free
10 repurposes per month, no credit card. Upgrade to Pro for unlimited generations.
Get started