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Voice AI research lab offering emotionally intelligent speech models and APIs for developers building empathic voice applications.
Text-to-speech app turning PDFs, ebooks, emails and web articles into natural audio in 60+ languages on iOS and Android.
Free browser-based text-to-speech tool with a large multilingual voice library and adjustable tone, speed, and pitch.
Simple free online voice changer offering preset comedic and distortion effects like monster, robot, and telephone voices.
No public pricing
No public pricing
No public pricing
Free trial available
No public pricing
No public pricing
- ✦Empathic, emotionally intelligent voice models
- ✦Human-feedback and evaluation APIs
- ✦Open-source models and datasets
- ✦Coverage of 50+ languages and dozens of emotions
- ✦Expression measurement and speech tooling
- ✦Converts PDF, EPUB, DOCX, emails and web pages to speech
- ✦Best-in-class OCR including handwriting and scans
- ✦200+ natural voices with content-specific presets
- ✦60+ languages with auto-detection
- ✦Synchronized text highlighting and speed control
- ✦iOS, Android and Chrome extension
- ✦Free online text-to-speech conversion, no signup required
- ✦Voice library spanning 25+ languages and regional accents
- ✦Adjustable speed, pitch, and emotional tone presets
- ✦Use cases for audiobooks, podcasts, and video dubbing
- ✦Separate paid desktop app for unlimited offline bulk conversion
- ✦Text-to-speech conversion in 75+ languages
- ✦Speech-to-text transcription
- ✦Voice cloning
- ✦Online dictation
- ✦YouTube subtitle generation
- ✦Talking Website feature
- ✦Upload or record audio directly in browser
- ✦Library of preset voice distortion effects
- ✦Playback and download of transformed audio clips
- ✦No-cost, no-signup usage
- ✦Waitlist for upcoming real-time AI voice changer beta
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
- →Listening to articles and documents hands-free
- →Accessibility support for dyslexia, ADHD or low vision
- →Studying and multitasking by listening
- →Consuming ebooks and long reads as audio
- →Narrating short stories or articles into audio
- →Creating voiceovers for videos or podcast intros
- →Generating multilingual audio clips for accessibility
- →Converting large documents to speech in bulk via the paid desktop app
- →Creating voiceovers for videos
- →Transcribing audio and video files
- →Adding voice to websites
- →Generating subtitles for YouTube videos
- →Creating audiobooks
- →Developing smart guides for museums and exhibitions
- →Casual users creating fun distorted voice clips
- →Streamers experimenting with comedic voice effects
- →Anyone wanting quick voice effects without installing software