OpenVox

Create realistic AI voices in 600+ languages with 300+ voices, cloning, and emotional expression. All processed locally on your Apple Silicon Mac with complete privacy.

Transform any text into natural, expressive speech — entirely on your Apple Silicon Mac. OpenVox is a privacy-first, local AI text-to-speech app optimized for Apple Silicon.

Why OpenVox?

Privacy-First by Design All processing happens locally on your Mac. After a one-time model download, OpenVox does not initiate network requests for generation or processing. No account required. No telemetry. No analytics. No third-party trackers. All data stored locally using SwiftData.

Made to run on Apple Silicon Powered by MLX acceleration for M1, M2, M3, M4 and newer chips. Near-instant generation for most inputs. Optimized memory usage for smooth performance.

300+ Voices for 600+ languages!

Four powerful AI models: OmniVoice — next-gen model for ultra-realistic, expressive, and context-aware speech with voice cloning Qwen3 TTS — best for realism and voice cloning Kokoro — fast, stable, ideal for long content Chatterbox — expressive, emotional, multilingual

Offline-Ready After initial model download from HuggingFace, everything runs locally. Perfect for travel, secure environments, or sensitive documents.

Core Features

AI Speech Generation • 300+ voices across 600+ languages • Advanced controls: speed (0.5x–2.0x), temperature, CFG weight, exaggeration • Silence removal and audio normalization • Built-in audio preview • Automatic chunking for long text

AI Voice Design • Create new voices by just describing them • Free: 10 Voice Designs • Pro: Unlimited • Perfect for creating voices for your characters

Audiobook Generator • Import EPUB, PDF or text files • Chapter-by-chapter management • Batch processing (Pro) • Per-chapter voice customization

Voice Changer • Transform MP3 or WAV audio into different voices • Free: 100 seconds/day • Pro: Unlimited

Conversations • Create multi-speaker scripts with up to 4 voices in one generation • Perfect for interviews, podcasts, skits, dialogues, and character scenes • Assign a different voice to each speaker • Import .txt and .pdf scripts directly • Adjustable pause length between dialogue lines

Voice Cloning • Clone voices from your own recordings • Free: 3 clones • Pro: Unlimited • 100% local processing

Local API • Integrate all OpenVox models and 300+ voices directly into your apps and workflows. • Optimized for real-time applications like AI agents, assistants, and automation. • Unlimited API usage on your own hardware.

Generation History • Saved locally on your Mac • Search, replay, export, or delete • No cloud sync

Audio Export • Free: WAV (24kHz) • Pro: WAV + MP3 • Commercial use allowed

Download OpenVox and experience text-to-speech the way it should be — private, powerful, and fully under your control.