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Text-to-speech app turning PDFs, ebooks, emails and web articles into natural audio in 60+ languages on iOS and Android.
Voice AI research lab offering emotionally intelligent speech models and APIs for developers building empathic voice applications.
Online text-to-speech converting text, URLs, PDFs and images into natural multilingual AI voice audio.
Free browser-based audio converter (123apps) supporting 300+ formats to MP3, WAV and more, with tag editing and batch conversion.
Musician toolkit for AI stem separation, vocal removal, practice, and vocal/stem generation, any device.
No public pricing
No public pricing
Free trial available
No public pricing
- ✦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
- ✦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
- ✦Text, URL, PDF and image to speech
- ✦Large multilingual AI voice library
- ✦Transcription and image translation
- ✦Voice cloning and speech-to-speech
- ✦Two-speaker AI podcast studio
- ✦Commercial-use audio downloads
- ✦Convert 300+ audio and video formats
- ✦Extract audio from video files
- ✦Adjustable quality, bitrate and channels
- ✦ID3 tag editing
- ✦Batch conversion to ZIP
- ✦Runs in-browser, files auto-deleted
- ✦AI stem separation and vocal remover
- ✦Pitch and tempo practice tools
- ✦AI Studio for generating stems
- ✦Voice Studio for AI vocal parts
- ✦Video recording with studio-quality audio
- ✦Cross-platform 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
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
- →Producing audiobooks and podcasts
- →Creating video voiceovers
- →Turning documents into audio
- →Making multilingual audio content
- →Converting audio to MP3 or other formats
- →Making iPhone ringtones (M4R)
- →Extracting a song from a video
- →Batch-converting many audio files
- →Isolating vocals or instruments for practice
- →Creating backing tracks
- →Songwriting and idea expansion