StackSpeech
Turn long transcripts into polished speech on your own workers — at scale, with voice presets you control.
Presets
Voices you define
Blend Kokoro voices, set speed, and apply pitch, volume, and loudness in post.
Workers
Render on your machines
Windows workers claim tasks over HTTPS, synthesize locally, and upload finished audio.
Scale
Built for long form
Segmented synthesis with checkpoints so multi-hour audiobooks can pause and resume cleanly.