Text-to-Speech Voiceover for Video — No Mic Needed
Turn a script into a clean voiceover without recording a word. ExpoCut generates text-to-speech on-device, then drops it straight onto your timeline — perfect for faceless videos and narration.
Free plan available · runs on-device · your media never leaves your phone.
Quick answer: To add a text-to-speech voiceover to a video, open ExpoCut on iPhone or Android, type or paste your script in Text to Voice, and the app generates a natural-sounding voiceover with on-device text-to-speech — no microphone, no recording, and your script is never uploaded. Drop the generated audio onto the timeline, then run on-device speech-to-text Transcribe on it for matching word-by-word captions. Export at up to 4K; ExpoCut offers a free plan.
| At a glance | Detail |
|---|---|
| Platforms | iOS, iPadOS, Android |
| Voiceover | On-device text-to-speech from a typed script — no mic, no recording |
| Captions | On-device speech-to-text turns the voiceover into word-by-word captions |
| Timeline | Generated audio drops straight onto the timeline |
| Export | Up to 4K |
| Privacy | Runs fully on-device — script never uploaded |
| Price | Free plan available |
Last updated:
How to add a TTS voiceover
Type or paste your script
Open Text to Voice and enter the narration for your video.
Generate the voice
ExpoCut synthesizes the voiceover on-device — no microphone, no studio.
Add to timeline
Drop the generated audio onto the timeline and align it to your visuals.
Caption it too
Run Transcribe on the voiceover to add matching word-by-word captions.
Great for faceless & narrated video
No recording
Skip the mic and the retakes — type the script and get a consistent voiceover instantly.
On-device
Voice generation runs on your phone; your script stays private.
Pairs with captions
Generate the voiceover, then auto-caption it with on-device speech-to-text for a fully narrated, subtitled clip — exported at up to 4K.
Faceless-friendly
Ideal for explainer, listicle, and story-time formats where you don’t want to be on camera.
Frequently asked questions
Can I add a voiceover to a video without recording?
Yes. ExpoCut’s text-to-speech turns your typed script into a voiceover on-device and adds it to the timeline — no microphone required.
Does the text-to-speech work offline?
Voice generation runs on your phone, so it does not depend on a connection and your script is not uploaded.
Can I caption the generated voiceover?
Yes — run Transcribe on the voiceover track to produce matching, styleable captions automatically.
Related guides
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Voice your video without a mic
On-device text-to-speech, straight onto the timeline. Free plan available.