What you get
- An MP4 explainer of 45 to 120 seconds in 16:9, 9:16 or 1:1, with narration and burned-in captions
- Caption files in SRT and WebVTT, timed to the spoken words
- An editable HyperFrames project with the script, storyboard, sources and timing files
- A storyboard contact sheet to approve before anything is paid for
- A QA report on caption sync, pacing, dead air, sources and loudness
Good for
- Explaining how a product, process or idea works
- Turning an article or report into a one-minute video
- Data stories for reports, team updates and presentations
- Course and onboarding lessons in several languages
Not for
- Videos longer than two minutes; make a short series instead
- Talking-head, live-action or avatar video
- Claims nobody can source
How to use it
In Claude or ChatGPT
Use the PopNow skill "Narrated Explainer Video" (narrated-explainer) for this: Turn this blog post into a 90-second whiteboard explainer in Spanish, 16:9, with captions.
In a coding agent
/popnow-narrated-explainer Turn this blog post into a 90-second whiteboard explainer in Spanish, 16:9, with captions.
Then try
Use a warmer voice and slow the second chapter down a little.
Make a 9:16 cut for social with the same voice and captions.
What to have ready
- The topic, article, document or data, with its sources
- Language, length, style and aspect ratio
- Node.js 22+, FFmpeg and Python 3; HyperFrames runs through npx
- A PopNow API key for the voiceover, or your own recorded narration
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Questions
Is the video made by an AI video model?
No. The scenes are HTML, CSS and GSAP that your agent writes, rendered frame by frame to MP4 with HyperFrames, so text stays sharp and everything stays editable. PopNow supplies the voice, the word timing, an optional music bed and optional paper cut-out images.
Which languages does it support?
English, Simplified and Traditional Chinese, Japanese, Korean, German, French, Spanish, Brazilian Portuguese, Russian, Italian and Polish. Each has its own speaking rate for planning and its own caption line length. Chinese voiceovers are timed from the audio itself, because the transcription model does not cover Chinese.
Can I narrate it myself?
Yes. Record one file per chapter and the skill times your recording the same way it times a generated voice. It only uses preset voices or your own voice, and never imitates a real person.
What does a video cost?
About 21 credits for a 60-second lite version (voice and word timing), about 110 for 90 seconds with three voice auditions and music, and about 53 more for each paper cut-out image. Every step is quoted before it runs, and rendering on your machine is free.
How does it handle facts and numbers?
Every claim and number goes into a sources file with a source you have read or the user provided. QA fails on anything unverified or any number without a claim, charts start at zero and show their source, and the sources appear on the end card.