Generate realistic NiShii voice from any text

Type any text and hear it speak in NiShii's authentic voice. Ultra-realistic AI voice for videos, audiobooks, podcasts, and social media. Professional quality in seconds.

NiShii
1280
zh
285/500
Powered by Fish Audio S1

How to Use NiShii Voice Generator

Create professional voiceovers in 3 simple steps

01

Enter Your Script

Type or paste any text you want NiShii to speak

  • Start free with generous character limits
  • Works in multiple languages automatically
Try the demo above
02

Generate Audio

Click generate to hear NiShii's voice bring your text to life

  • Studio-quality results in seconds
  • 100% free to try • No credit card required

128+ creators have used this voice

03

Open Advanced Playground

Click 'Use Voice' button to unlock powerful features:

  • Extended text length for longer projects
  • Fine-tune speed, pitch, and emotion
  • Download in multiple formats (MP3, WAV)
  • Save to library & unlock commercial use rights
Use Voice

Ready to create professional content with NiShii?

Join thousands of creators using AI voices for videos, podcasts, and more

Free tier availableNo credit card needed

Technical Details for NiShii Voice

NiShii works with multiple languages automatically. The AI detects your text language and generates natural-sounding speech.
Audio generation is instant - typically completed in just a few seconds, even for longer texts.
Download your NiShii voiceovers in MP3, WAV, and other popular formats for maximum compatibility.
Yes! Our advanced playground lets you fine-tune speed, pitch, emotion, and other parameters to get the perfect sound.
Free users can generate shorter clips, while paid plans support extended text lengths for audiobooks, long-form content, and more.