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YupVox
AI Voice Changer & Speech Conversion

AI Voice Changer & Speech Conversion

Convert Audio Recordings to 3,000+ Natural AI Voices

Auto-transcribe speech from audio recordings and transform into 3,000+ natural studio AI voices.

Drag & drop audio recording (.mp3, .wav, .m4a) here

Supports audio files up to 50MB • Click to start AI voice conversion

Voice conversion live preview:3 samples
Original human speech (Low pitch)
Clear & sweet female AI voice
Jenny (US Neural) (1.0x)
Conversation recording file
Expressive male studio AI voice
Guy (US Neural) (1.1x)
English voiceover narration
Smooth native American AI voice
Jenny (US Neural) (1.0x)

AI Voice Changer Key Features

Next-generation AI speech technology for natural and accurate voice quality transformation.

Auto ASR

Auto Speech Recognition 🎙️

Accurately transcribes speech to text from uploaded audio files using next-gen ASR speech engine.

Voice Swap

Instant Voice Conversion 🔄

Replaces original voice quality with target AI voice while preserving natural pauses and speech content.

3,000+ Voices

3,000+ Natural AI Voices 🎭

Explore thousands of premium AI voices across diverse languages, genders, ages, and accents.

Speed Adjust

Custom Playback Speed 🎛️

Adjust voice playback speed smoothly from 0.5x to 2.0x for perfect audio timing.

Text Transcript

Automatic Speech Transcript 📋

Auto-displays full transcribed text script from your audio clip for one-click copy.

MP3 Export

HD MP3 Download 📦

Download crisp, high-definition MP3 audio files with automatic project history saving.

3-Step AI Voice Conversion Workflow

Transform your voice recording into HD AI speech in seconds

1

Upload Audio File

Drag & drop audio recording file (.mp3, .wav, .m4a) with speech content.

2

Choose Target AI Voice

Browse 3,000+ AI voices in VoiceSelector and fine-tune speed rate.

3

Convert & Download MP3

Preview converted AI voice audio track and download HD MP3 file.

YupVox AI 서비스 요금제

유연한 크레딧, 숨겨진 비용 없음. 언제든지 업그레이드 또는 취소 가능.

🔥 Launch Offer: 50% OFF 1st Month!
Use code LAUNCH50 for 50% OFF your first month.

Free

무료
$0/ 월
50.000
크레딧 / 월
Usage Equivalent:
TTS:50.000 ký tự
Audio Dub:~16.5 phút
Video Dub:~8.3 phút
가입 시 50,000 무료 크레딧 제공
1회 변환 시 최대 3,000자
300개 기본 AI 음성 이용 가능
22개 무료 온라인 오디오 도구
표준 처리 속度

Lite

라이트
$1.0$2
/ 월
With code LAUNCH50 (1st Month)
99.000
크레딧 / 월
Usage Equivalent:
TTS:99.000 ký tự
Audio Dub:~33 phút
Video Dub:~16.5 phút
99,000 크레딧 / 월
1회 변환 시 최대 50,000자
최대 20개 맞춤 음성 복제 생성
3,000개 이상의 프리미엄 AI 음성 잠금 해제
표준 처리 속도
API 액세스

Starter

스타터
$4.5$9
/ 월
With code LAUNCH50 (1st Month)
999.000
크레딧 / 월
Usage Equivalent:
TTS:999.000 ký tự
Audio Dub:~333 phút (~5.5h)
Video Dub:~166.5 phút (~2.7h)
999,000 크레딧 / 월
1회 변환 시 최대 100,000자
최대 100개 맞춤 음성 복제 생성
3,000개 이상의 프리미엄 AI 음성 잠금 해제
초고속 우선 처리 대기열
API 액세스
가장 인기 있는 플랜

Growth

$9.5$19
/ 월
With code LAUNCH50 (1st Month)
2.499.000
크레딧 / 월
Usage Equivalent:
TTS:2.500.000 ký tự
Audio Dub:~833 phút (~13.8h)
Video Dub:~416.5 phút (~6.9h)
2,499,000 크레딧 / 월
1회 변환 시 최대 100,000자
최대 500개 맞춤 음성 복제 생성
비디오 자막 음성 변환(Subtitle to Audio) 도구
최상위 우선 순위 대역폭
API 액세스

Pro

프로
$14.5$29
/ 월
With code LAUNCH50 (1st Month)
3.999.000
크레딧 / 월
Usage Equivalent:
TTS:4.000.000 ký tự
Audio Dub:~1.333 phút (~22.2h)
Video Dub:~666.5 phút (~11.1h)
3,999,000 크레딧 / 월
1회 변환 시 최대 100,000자
최대 1,000개 맞춤 음성 복제 생성
비디오 자막 음성 변환(Subtitle to Audio) 도구
API 접근 권한 & 1:1 전담 기술 지원
API 액세스
Transparent Credit Conversion Formula

How Much Content Can You Create With 1 Plan?

All Yupvox tools share a unified credit balance. You can freely allocate credits across TTS, Audio, and Video dubbing.

Text to Speech (TTS)

1 Credit = 1 Ký tự

99,000 credits = ~99,000 characters (~16,500 words, ~25 book pages or ~2 hours of narration).

Audio Dubbing

50 Credits / giây (3.000 / phút)

99,000 credits = ~33 minutes of multi-speaker AI audio translation & expressive voice dubbing.

Video Dubbing & Sub

100 Credits / giây (6.000 / phút)

99,000 credits = ~16.5 minutes of AI video dubbing, subtitle masking & 4K MP4 re-rendering.

💡 Swipe horizontally to view all plans⇄
PlanCredits / CycleText to SpeechAudio DubbingVideo Dubbing
Free ($0)50.00050.000 ký tự (~1h)~16,6 phút~8,3 phút
Lite ($1.0 / $2)99.000 / tháng99.000 ký tự (~2h)~33 phút~16,5 phút
Starter ($4.5 / $9)999.000 / tháng1 triệu ký tự (~20h)~333 phút (~5.5h)~166,5 phút (~2.7h)
Growth ($9.5 / $19) ⭐2.499.000 / tháng2.5 triệu ký tự (~50h)~833 phút (~13.8h)~416,5 phút (~6.9h)
Pro ($14.5 / $29)3.999.000 / tháng4 triệu ký tự (~80h)~1.333 phút (~22.2h)~666,5 phút (~11.1h)

Frequently Asked Questions

How does AI Voice Changer work?

It transcribes speech from your input audio, then synthesizes a new audio file using your chosen target AI voice.

What audio file formats are supported?

Supports `.mp3`, `.wav`, `.m4a`, `.aac`, `.flac` up to 50MB in file size.

How is Voice Changer priced?

Priced based on character count of transcribed speech (1 character = 1 credit).

Experience AI Voice Changer Today

Register now to get 50,000 free trial credits for all features.