Captions and subtitles are generated directly from the audio file on hardware we own, returned as a standard subtitle file alongside the transcript — no public upload required.
The awkward part of the usual workflow
Auto-captioning a podcast or an audio-only recording usually means uploading it somewhere public (a video platform, typically) just to use its free caption generator, then pulling the result back down. Fine for a public podcast episode; not fine for anything that isn't meant to be public in the first place.
How it works instead
The audio file is transcribed and turned into a standard subtitle/caption file on hardware we own, returned alongside the plain transcript, without the recording ever needing to touch a public platform.
Where this breaks down — said plainly
- Caption accuracy depends on audio quality, same as any transcription step — music, overlapping voices, and background noise all raise the error rate.
- Multiple speakers without labeling is a separate, dedicated service (speaker diarization) if you need who-said-what, not just captions.
Related guides
- Transcription that doesn't store your audio in the cloud
- Caption training videos without uploading to YouTube
Where this fits on the site: this is the Captions and subtitles for audio service under Audio transcription & captions pricing — published tiers starting at $199 for up to 2 hours, no quote, no sales call. See Services & Pricing or go straight to Choose your job.