captions

1 post tagged captions.

How to burn subtitles into an MP4 (and why you should)
Burn-in subtitles for video using HTML and CSS — typography, timing, safe-area rules, and the export pipeline. Beats FFmpeg for design control.
Kira Tanaka
Apr 30, 2026
4 min

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Join 4,200+ devs reading deterministic video field notes. Once a month. No fluff.

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Join 4,200+ devs reading deterministic video field notes. Once a month. No fluff.

Hhyperframes

The open-source way to render video from HTML — deterministic, framework-agnostic, built for agents.

Topic

1 post tagged captions.

How to burn subtitles into an MP4 (and why you should)
Burn-in subtitles for video using HTML and CSS — typography, timing, safe-area rules, and the export pipeline. Beats FFmpeg for design control.
Kira Tanaka
Apr 30, 2026
4 min

Newsletter

Join 4,200+ devs reading deterministic video field notes. Once a month. No fluff.

Email address

Join 4,200+ devs reading deterministic video field notes. Once a month. No fluff.

Hhyperframes

The open-source way to render video from HTML — deterministic, framework-agnostic, built for agents.

How to burn subtitles into an MP4 (and why you should)