Change Voice - Flowy

Change Voice replaces the voice in an existing video or audio clip with one of twelve preset voices, while the original timing and delivery stay intact.

Change voice

Where to find it

Open /audio/change-voice directly, press ⌘ K and search “Change Voice”, or find it in the Audio area of the left sidebar.

What you need

Input	Required	Notes
Source	Yes	The video or audio whose voice you want to swap.
New voice	—	One of 12 preset voices. Default Rachel.

The preset voices: Rachel (calm female), Aria (expressive female), Sarah (soft female), George (warm male), Charlie (energetic male), Callum (deep male), Charlotte (sultry female), Alice (confident female), Matilda (friendly female), Brian (deep male), Daniel (authoritative male), Lily (warm female).

What it costs

8 credits per second, billed per minute of audio and rounded up. This figure is an estimate. Actual billing can vary with upstream rounding. Flowy shows a live estimate in the panel before you run. The backend’s pricing is always authoritative.

Last modified on August 29, 2026