Professional voice changer API

Cloning TTS, batch STT, custom voices—dashboard or API.

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Immersive voice cloner.

Pick a voice, hit play, and hear exactly what your audience will experience.

Loading voices…

Built on

Throughput worth a slide

Reference batch synthesis on our GPU stack—real lab numbers, not hand-wavy call latency

Audio generated

1.5 min

of natural speech (sample workload)

Processing time

7 seconds

wall time for that sample

Real-time factor

0.025

40× faster than playback (RTF)

Job model

Durable

queued · running · completed

Six pillars, one product spine

What you demo in-app is the contract your integration inherits—same routes, same job rows, same credits.

Dashboard workspaces

Text-to-speech with cloning, batch speech-to-text, custom voices, usage, and API keys—one account, one Postgres job ledger.

Hundreds of languages

Generate and clone voices across hundreds of languages and dialects with native-quality pronunciation.

Voice Cloning

Clone any voice with just a 3-10 second audio sample. Capture tone, accent, and speaking style.

Gaming Integration

Works seamlessly with Discord, Steam voice chat, and all major gaming platforms via virtual audio cable.

Meeting Ready

Use with Zoom, Microsoft Teams, Google Meet, Slack, and any app that supports microphone input.

Browser-first · optional Windows desktop

Run cloud jobs from any modern browser. Add the Windows + NVIDIA desktop client when you want a local companion app.

Integrated voice tools

API, dashboard, and browser tools in one voice platform

Voicechanger.co is built for real production workflows: automate with the API, manage work in the dashboard, and extend voice tools into Chrome.

Flexible API

Build AI voice features with REST endpoints for voice cloning, text to speech, speech to text, dubbing, custom voices, API keys, and durable jobs.

Explore VoiceChangerAPI

Built in Dashboard

Manage credits, API keys, saved voices, usage, and production jobs from the Voicechanger.co dashboard without leaving your workspace.

Open dashboard

Chrome Plugin

Install the Voicechanger.co Chrome extension to bring voice tooling into browser workflows and keep the product close to where work happens.

Open Chrome Web Store

VoiceChangerAPI

Same engines, ship over HTTP

Queue-backed workers, credit metering, and Postgres job history—the desktop app and the HTTP API call the same production stack. Third-party integrations authenticate with X-API-Key from Dashboard → API keys.

/v1 REST

Async & poll

X-API-Key

Cloning TTS

POST /v1/voice-cloning/tts with multipart text, async_mode, and either a reference WAV or a saved custom_voice_id.

Batch STT

Presigned uploads, job start, then poll GET /v1/jobs/{job_id} and fetch transcripts when the job completes.

Custom voices

List, create, and reuse voices from /v1/custom-voices so TTS jobs stay fast and consistent.

Live playground

Try cloning TTS in your browser

Sign in to run a real job on VoiceChangerAPI. This is a compact preview—open Text-to-speech in the dashboard for every control.

OpenAPI reference

Scalar reference, request schemas, and try-it calls against the live API surface.

Open reference

API Interactive builder

Guided flows with copy-ready curl—multipart TTS, job polling, and auth headers wired.

Continue

Endpoint showcase

Product framing for the HTTP layer—latency context, positioning, and entry points.

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Try in dashboard

Run real jobs with credits, history, and keys—the same Postgres-backed routes in-app.

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Where great audio shows up first

Trailers, localization desks, creator tools—the job ledger does not care which team pressed run.

Gaming & Streaming

Transform your voice in Discord, Steam, and Twitch. Create unique character voices for roleplay and content creation.

Discord

Steam

Twitch

OBS

Business Meetings

Professional voice modulation for privacy and accessibility in Zoom, Teams, and Google Meet.

Zoom

Teams

Google Meet

Slack

Social & Messaging

Fun voice effects for WhatsApp, Messenger, and Telegram voice messages and calls.

Messenger

Content Creation

Generate voiceovers, character voices, and narration for videos, podcasts, and audiobooks.

YouTube

TikTok

Podcasts

Own the full voice loop

Spin up the dashboard, mint API keys, and promote the same payloads from curl to production without a second stack.

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Generous API free tier · upgrade when traffic spikes