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Ratio Bars Motion Clip

A restrained animated bar comparison for educational and social publishing. Turn a few supplied values into a legible, editable clip with consistent styling and clear motion.

What you get

  • A locally rendered MP4 with a focused animated bar comparison.
  • An editable HTML/CSS composition for future text, value, and timing updates.
  • A restrained opening and closing beat designed for easy placement in a larger edit.

Good fit

  • Explaining a small set of ratios or ranked values in a social video.
  • Producing a consistent motion insert for a recurring editorial series.

Not for

  • Complex charts that require multiple scales or detailed annotations.
  • Footage-led storytelling or animation driven by generated imagery.

What you provide

  • Three to five comparison labels and their exact values.
  • The intended takeaway and any unit or ratio definition viewers need.

Requirements

  • Node.js 20+
  • FFmpeg
  • Chromium (npx playwright install chromium)

Running cost

No external services or generation models. Renders locally.

Try this prompt

/sl-ratio-bars-motion-clip Create an 8-second 16:9 video for Study habits about weekly reading time. Open with “Time spent reading” and “Weekly minutes by study habit”; compare Mixed 100, Daily 82, and Weekend 56 under “A small habit, measured”; then show “Small sessions add up.” and close with “Make time for one more page.” Keep the measured bars quiet and editable.

Follow-up prompts

  • Shorten the title and give the labels more room without changing the data.
  • Make the bar reveals slower and hold the final comparison for one extra beat.

Verification

Verified

render-checkpass5.0 / 522s

FAQ

Can I change the labels after rendering?

Yes. The HTML/CSS composition remains editable, so labels, values, and timing can be revised and rendered again.

Will the bars imply percentages?

No. Bars share a visual scale based on the supplied values; percentage or denominator language is used only when provided in the brief.

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