> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/MateoRiosdev/Free-TTS-VozCraft/llms.txt
> Use this file to discover all available pages before exploring further.

# Welcome to VozCraft

> A powerful, free browser-based text-to-speech application with AI-powered voice synthesis

# Welcome to VozCraft

VozCraft is a free, browser-based text-to-speech (TTS) application that transforms written text into natural-sounding speech using advanced AI synthesis. Built with React and Web Speech API, VozCraft offers an intuitive interface for generating high-quality audio content in multiple languages and voices.

## What is VozCraft?

VozCraft is a modern TTS solution that runs entirely in your web browser—no installation required. Whether you're creating audio content, learning a new language, or need accessibility features, VozCraft provides professional-grade voice synthesis with extensive customization options.

<CardGroup cols={2}>
  <Card title="22+ Languages" icon="globe">
    Support for Spanish (6 dialects), English (4 dialects), Portuguese, French, German, Italian, Japanese, Chinese, Russian, Arabic, Hindi, and Turkish
  </Card>

  <Card title="Instant Generation" icon="bolt">
    Generate audio instantly in your browser with no server processing required—everything runs locally
  </Card>

  <Card title="Full Customization" icon="sliders">
    Control pitch, speed, mood, and voice type with 8 mood presets and 5 speed settings
  </Card>

  <Card title="Export Options" icon="download">
    Download your audio in MP3 or WAV format, plus save transcriptions as TXT files
  </Card>
</CardGroup>

## Key Features

### 🌍 Multi-Language Support

VozCraft supports over 22 languages and regional accents, including:

* **Spanish**: Mexico, Spain, Argentina, Colombia, Chile, Venezuela
* **English**: US, UK, Australia, India
* **Portuguese**: Brazil, Portugal
* **French**: France, Canada
* **Plus**: German, Italian, Japanese, Chinese, Russian, Arabic, Hindi, Turkish

### 🎭 Voice Type Selection

Choose between two distinct voice types:

* **Normal Voice**: Standard pitch and tone (pitch: 0.75)
* **High-pitched Voice**: Elevated pitch for a lighter, more energetic sound (pitch: 1.30)

### 💫 Mood Customization

Shape the emotional tone of your audio with 8 mood presets:

* **Neutral**: Balanced, professional expression
* **Happy**: High and lively tone for cheerful content
* **Serious**: Deep, steady and firm for formal material
* **Enthusiastic**: Very energetic and expressive
* **Melancholic**: Soft, slow and nostalgic
* **Energetic**: Fast, dynamic and powerful
* **Relaxed**: Calm and slow-paced
* **Tense**: Urgent and tense for dramatic content

### ⚡ Speed Control

Adjust playback speed with 5 precise settings:

* **Very Slow**: 0.50x speed
* **Slow**: 0.75x speed
* **Normal**: 1.00x speed (default)
* **Fast**: 1.25x speed
* **Very Fast**: 1.60x speed

### 📋 History Management

VozCraft maintains a complete history of your generated audio:

* **Automatic Saving**: All generated audio is automatically saved to history
* **Rename Function**: Assign custom names to your audio files
* **Replay Anytime**: Play back any previous audio with the original settings
* **Export/Import**: Save your entire history as JSON and restore it later
* **Up to 30 Items**: History maintains your 30 most recent audio generations

### 💾 Export Functionality

Download your audio in multiple formats:

* **MP3 Format**: Compressed audio for easy sharing and storage
* **WAV Format**: Uncompressed, high-quality audio
* **TXT Transcripts**: Download the original text with metadata
* **JSON History**: Export your entire generation history

### 🎨 Dark Mode & Bilingual Interface

* Toggle between light and dark themes for comfortable use
* Switch between Spanish and English interfaces instantly
* Responsive design works on desktop, tablet, and mobile devices

## Why Choose VozCraft?

<Note>
  **Privacy First**: VozCraft runs entirely in your browser using the Web Speech API. Your text never leaves your device, ensuring complete privacy and security.
</Note>

### Benefits

**For Content Creators**

* Generate voiceovers for videos, podcasts, and presentations
* Create multilingual content without hiring voice actors
* Experiment with different emotional tones and pacing

**For Language Learners**

* Hear accurate pronunciation in 22+ languages
* Practice listening comprehension with adjustable speeds
* Compare different regional accents and dialects

**For Accessibility**

* Convert written content to audio for visually impaired users
* Customize voice settings for optimal comprehension
* Generate audio versions of documents and web content

**For Professionals**

* Create audio versions of reports and presentations
* Generate IVR and phone system messages
* Produce training materials and e-learning content

## How It Works

VozCraft leverages two powerful technologies:

1. **Web Speech API**: Browser-native speech synthesis for instant audio generation
2. **Web Audio API**: Advanced audio processing for offline WAV/MP3 export with customized voice characteristics

The application combines these technologies to deliver:

* Real-time audio playback with visual waveform display
* Precise control over pitch, rate, and volume
* High-quality audio export with proper voice filtering and modulation
* Estimated duration calculation based on text length and settings

## Technical Specifications

<Accordion title="Audio Technical Details">
  * **Sample Rate**: 22,050 Hz
  * **Bit Depth**: 16-bit
  * **Channels**: Mono (1 channel)
  * **Formats**: WAV (uncompressed), MP3 (compressed)
  * **Maximum Text Length**: 5,000 characters
  * **Audio Synthesis**: Sawtooth oscillator with bandpass filtering
  * **Formant Frequencies**: 800 Hz and 2,200 Hz (pitch-adjusted)
</Accordion>

## Browser Compatibility

VozCraft works best in modern browsers:

<Tabs>
  <Tab title="Fully Supported">
    * Google Chrome (version 80+)
    * Microsoft Edge (version 80+)
    * Safari (version 14+)
    * Opera (version 67+)
  </Tab>

  <Tab title="Partial Support">
    * Firefox (limited voice selection)
    * Older Safari versions (iOS 13+)
  </Tab>

  <Tab title="Not Supported">
    * Internet Explorer (all versions)
    * Browsers with JavaScript disabled
  </Tab>
</Tabs>

<Warning>
  **Note**: Voice availability varies by operating system and browser. Some languages may have limited voice options depending on your system's TTS capabilities.
</Warning>

## Getting Started

Ready to create your first audio? Check out our [Quickstart Guide](/quickstart) to learn the basics in under 5 minutes.

<CardGroup cols={3}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Get started in 5 minutes
  </Card>

  <Card title="Voice Options" icon="microphone" href="/features/voice-options">
    Explore all languages and voices
  </Card>

  <Card title="Customization" icon="palette" href="/features/customization">
    Learn about all settings
  </Card>
</CardGroup>

## Open Source & Free

VozCraft is completely free to use with no registration, subscriptions, or hidden fees. The application is developed by Mateo Julio Gomero Rios (MateoRiosdev) and released in 2026.

<Info>
  **No Limits**: There are no usage limits, generation caps, or premium tiers. All features are available to everyone, always.
</Info>

***

**Ready to transform text into speech?** Continue to the [Quickstart Guide](/quickstart) to create your first audio in minutes.