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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 Service Pricing

Flexible credits, no surprise fees. Upgrade or cancel anytime.

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

Free

Free
$0/ month
50.000
credits / month
Usage Equivalent:
TTS:50.000 ký tự
Audio Dub:~16.5 phút
Video Dub:~8.3 phút
50,000 free credits on sign-up
Max 3,000 chars per request
Access 300 standard AI voices
22 Free browser audio tools
Standard processing speed

Lite

Lite
$1.0$2
/ month
With code LAUNCH50 (1st Month)
99.000
credits / month
Usage Equivalent:
TTS:99.000 ký tự
Audio Dub:~33 phút
Video Dub:~16.5 phút
99,000 credits / month
Max 50,000 chars per request
Create up to 20 custom cloned voices
Unlock all 3,000+ premium AI voices
Standard processing speed
API access

Starter

Starter
$4.5$9
/ month
With code LAUNCH50 (1st Month)
999.000
credits / month
Usage Equivalent:
TTS:999.000 ký tự
Audio Dub:~333 phút (~5.5h)
Video Dub:~166.5 phút (~2.7h)
999,000 credits / month
Max 100,000 chars per request
Create up to 100 custom cloned voices
Unlock all 3,000+ premium AI voices
High speed processing priority
API access
MOST POPULAR

Growth

$9.5$19
/ month
With code LAUNCH50 (1st Month)
2.499.000
credits / month
Usage Equivalent:
TTS:2.500.000 ký tự
Audio Dub:~833 phút (~13.8h)
Video Dub:~416.5 phút (~6.9h)
2,499,000 credits / month
Max 100,000 chars per request
Create up to 500 custom cloned voices
Subtitle to Audio dubbing tool
Top priority processing bandwidth
API access

Pro

Enterprise
$14.5$29
/ month
With code LAUNCH50 (1st Month)
3.999.000
credits / month
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 credits / month
Max 100,000 chars per request
Create up to 1,000 custom cloned voices
Subtitle to Audio dubbing tool
API Access & Dedicated 1-on-1 Support
API access
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.