CaptionKite guides

Make captions that work everywhere.

Clear, practical help for turning speech into useful captions—from your first SRT file to compatibility and privacy troubleshooting.

Learn at your pace

Captioning, explained without the jargon.

Getting started

Turn a local video into a timed subtitle file, review it efficiently, and avoid common timing mistakes.

Caption formats

A practical comparison of the two most common caption files, including where each format works best.

Publishing

Choose between selectable captions and burned-in text, then take the right file into your editor or platform.

Compatibility

Understand containers, codecs, size limits, direct URLs, and what to try when a file will not open.

Privacy

Learn what stays on your device, what your browser downloads, and the tradeoffs of processing locally.

Troubleshooting

A clear diagnostic path for model downloads, unsupported media, memory pressure, and difficult audio.

Privacy, in plain language

See exactly what your browser downloads, where transcription happens, and what changes when you paste a direct URL.